As you can see it has the classic silver face styling of Pioneer’s 50 series which, when coupled with the wood case, makes for an exceptionally clean and stylish looking receiver. However, if you cut open the STK-0050 module, it is, in fact, made of discrete devices. And the twin power meters are nice. At about 10-13 secs the relay kicks in and plays. In August of that same year, the Japanese Marantz corporation followed suit with their legendary 2325 model that boasted 125 watts per channel. Feb 11, 2011 · Marantz receivers tend to be dull on those East coast speakers. com. I had a lead on a clean SX-737 locally but it slipped through my fingers unfortunately! I am seeing a potentially good deal on an SX-780 locally. Pretty shallow, I know! The 880 does sound a little fuller than the 780, to me at least. Pioneer SX-780 COMPLETE Rebuild Kit High-Quality Receiver Recap Set w Nov 6, 2009 · I don't have that specific receiver, but I am currently listening to an SX-850, close cousin to the 750, and comparing it to a Sansui 7070, while not as powerful, should sound similar to a 9090. Aug 16, 2020 · Addeddate 2020-08-16 01:06:25 Identifier manualsbase-id-429249 Identifier-ark ark:/13960/t28b0cv8w Ocr ABBYY FineReader 11. The sx-750 knob is aab-099 which is used in the sx-450, sx-550, sx-650 & sx-750. After that the dollar suffered versus the yen and the Japanese manufacturers needed to cut costs while increasing content to remain competitive against o Feb 26, 2010 · The SX-828 was the TOTL for its series but the SX-838 was behind the SX-939 and the SX-1010 in its series. Unfortunately, the glory turned out to be short-lived. PAYDIRT!!!! Flashbacks!! The Pioneer SX-780 is amazing for Vinyl. Dec 24, 2022. 99: Pioneer SX-780 Receiver Excellent Condition: Sold Oct 28, 2022: $305. be/MLK649c1_fMThis one was a good lesson for me because what ended up being the is Get the best deals on Pioneer Sx 750 when you shop the largest online selection at eBay. When fully upgraded, if it wasn't for the power level, you'd think you were listening to an SX-1980. 85 shipping. The receiver produces 50 watts per channel into 8 ohms with no more than 0. Jan 4, 2012 · For example, I like to compare my SX-650 to my SX-780, the 650 is a 35wpc and the 780 is 45wpc, but the 650 seems to have a tad more low end and the unit is actually little heavier than the bigger 780, but the 780 sounds better to my ears overall and gets cleaner than the 650 the louder it gets. 2 Kg). Oct 5, 2011 #1 I had pioneer SX 780 , very nice What's the best (50-ish watt per channel, mid-to-late-70's) receiver? The candidates for consideration are these Pioneer and Marantz vintage receivers. External link: Good Old Hifi website: Links . Jan 13, 2020 · Those are the same transistor, I used one in the SX-780 I repaired and it worked perfectly and will run cooler as it is rated for higher power dissipation, 1. I would like to get the right down if I can. You may choose to replace others in the RF or Power Supply sections. I picked up a mint SX 780 today for $10. The internals were high quality with Darlington STK-0050 Power Packs in the output stage as well as high quality Nichicon capacitors. gbroot; Sep 11, 2014; Solid State Pioneer SX-780 Receiver: Sold Oct 19, 2022: $366. Most of the L710 used rubber surrounds and as long as the mid and tweeter are working, they should be able to provide excellent sound for many many more years. Bye the way, the other Pioneer units i have are restored, i still use the 1010 for the sound. :yes: The 780 has offset adjust circuit in power amp :yes: the 680 does not. The Pioneer has a real good rep, and it sure looks great. $50 for the SONY. 3% total harmonic distortion. Vintage Audio Hive Mind, convince me to spend $750 on the SX-1050. FM signal, tone just everything To the best of my knowledge neither has been gone through except for some de-oxing I did when I got them, the 828 has Jan 22, 2017 · Reason for this is that the manuals were made pre-production and only one was made (with the exception of the SX-626 which had an almost complete re-design 1/2 way thru production. Dec 10, 2015 · The SX-750 has them in the tuner, tone amp, and possibly the phono preamp depending upon submodel. It was produced from 1978 up until 1980 and had a list price of $325. Feb 2, 2014 · The now legendary SX-1980 from Pioneers 1978-1980 product range used essentially the same power supply to produce 270 Watts RMS per channel while the model intended to take over from the SX-1250, the SX-1280, had downgraded its capacitors to 15,000mfd even though it was rated 20 Watts RMS higher the the SX-1250! Dec 27, 2014 · Have no idea on the sonic qualities, but the Pioneer will sell for maybe $150 vs. I prefer the looks of the SX-780 because it has a lot more detail on the face. The SX-828 is the more powerful of the two, 60 vs. Aug 10, 2007 · The 750 has a better power supply than the 780. Free shipping on many items | Browse your favorite brands | affordable prices. Let’s hope they don’t do the SX-1250 referenced at the end. Page 16 Post# 301 Does the sub work for a STK-0059? Yes. The high center is just what I was really Pioneer Sx-750 or 780? I’m wanting to buy a receiver and have great condition 750 and 780 available locally. Feb 16, 2012 · The sx-750 I have is vinyl paper, but I see OEM wood veneer cases for the 750 for sale. Hard to go wrong with either choice and the Pioneer connectors are not bad as long as the unit comes with them. The 780, hands down. Is vintage hifi e Oct 13, 2017 · As mentioned, the build quality and serviceability is better on the xx50 series. It delivers 50 watts per channel into 8 ohms with 0. Apr 26, 2022 · Released in 1974, the SX-1010 was Pioneer’s (then) flagship receiver and out-performed the competition by almost 40 watts per channel. Onkyo TX-2500 MK11 vs Pioneer SX-750. Jan 6, 2017 · My re-capped Pioneer SX-780 came back from the shop yesterday, and I set it up in the basement with Wharfedale Denton 80th's. I really appreciate the time and effort you put into writing this and posting it including the kind of bulbs that are suitable for replacement. $62. If Apple designed a stereo receiver, anything from the Pioneer SX Series in the 70’s would be it! Pioneer SX-780 Size/Construction: Jan 10, 2013 · To begin with, both the Technics SA-600 and Pioneer SX-780, offer similar features and are mid powered receivers with +50 to +70 RMS watts per channel. Nov 20, 2022 · Well I am back, thanks to everyone here, a few months ago I diagnosed the problem with my SX-780, it was one of the STK modules. VWGUY; Apr 28, 2014; Pioneer Audio; 2 Apr 24, 2017 · I own two Pioneer SX-780 receivers. The high center is just what I was really Mar 22, 2018 · It doesn’t hurt that I’ve got Zeppelin’s Presence spinning through a Pioneer SX-750 while I read about you bringing home the incredible SX-780. They are priced within $50 of each other and both look aesthetically 8-9/10. I couldn’t agree more that every man should have a fortress of solitude bathed in sound by a vintage system. 1% total harmonic distortion. ~50W Receiver Showdown: Pioneer SX-750 vs. NOTE: All caps are Nichicon rated at -55 to +105̊ C, 2000 hours or better. Jan 29, 2019 · Pioneer SX-5560; Other models in the same series: Pioneer SX-450; Pioneer SX-550; Pioneer SX-650; Pioneer SX-750; Pioneer SX-850; Pioneer SX-950; Pioneer SX-1050; Pioneer SX-1250; Pictures . 00: Pioneer SX-737 Receiver Excellent Sound: Sold Dec 15, 2022: $370. Hoping to pair one of these three receivers with the ELAC Debut 6. carlitosway; Aug 20, 2006; Pioneer Audio Feb 5, 2012 · The main difference between the 750 and 780 is that the 750 used discrete output devices and the 780 used amp "modules". The SX-780 uses them in the tuner, phono preamp, flat amp, protection circuit, AND uses hybrid output modules for the final audio output stage. cabinet has mark on top which go unnoticedall channels working Apr 4, 2005 · I now have two pioneer recievers (SX-727, SX-780) and one Pioneer integrated (SA-5500II) and I have come to the conclusion that, the recievers especially, sound "bright". Feb 17, 2021 · Pioneer SX-780 New Veneer. I've owned Marantz 2230, 2230b, 2250, 2235b, 2270. John Sep 21, 2011 · The SX-x50 series (especially from the SX-850 on up) was very well designed and laid out inside, quite robust and almost overbuilt. I sold my 2nd Pioneer SX-1980 Feb. It features a " high output, low distortion power amplifier, a high fidelity equalizer amplifier with low noise and high gain, a high stability tuner section, tone controls with tone Oct 26, 2021 · I've seen this on eBay: STK0050+ Pioneer SX-780 or marantz SR4000 replaces STK0050 STK0030 STK0040. Authentic power pack replacements are very hard to impossible to find, but eBay is loaded with lots of cheap "knock-offs" that may or may not work properly. My Pioneer SX-939 on the other hand sounds as good as the Marantz maybe better, hard to tell. Reading threads, I decided to reflow the 3 high hat transistors & the protection relay. It was introduced by Pioneer in 1978 and was on the market until about 1980. I would like to thank you for posting this blog since following it actually gave me the ability to change the bulbs on my Pioneer SX-780. Thread Sx 737 vs 780. a) SX-750 is MUCH HEAVIER, like maybe 32 lb vs. Yamaha CR-820 vs. Just a couple years later it introduced the legendary SX-1980, one of the most powerful receivers ever made. It is in like new condition and I can hardly wait for it’s arrival. BTW the 1530 is a sweet model. 7v on both sides. 0 (Extended OCR) Is Vintage HiFi BETTER? - Pioneer SX-450 Stereo Receiver ReviewFor a list of products used to test the Pioneer, check the description below. Jan 10, 2014 · The 780 has a real protect circuit as opposed to fuses in the 680. While the SX-727 used push buttons for some of the controls the SX-828 utilized toggle switches. Type IV Tape; Oct 19, 2019; Replies 18 Views 2K. Image: Pioneer SX-750; Picture: Pioneer SX-750; Reviews . Now If I saw a Marantz I would pick it up before any of these common Pioneers. Barney Jun 14, 2006 · Please understand I'm splitting hairs, I do like the SX-1250 a lot, I'm not going to get rid of mine any time soon, if ever. So how do these wildly different components compare? Need tools? Here's a video showing what I use (with links!): https://youtu. Apr 25, 2021 #1 Hello all! Dec 24, 2008 · The SX-780 has a wider, flatter frequency response (on phono, FM, and aux input, though the SX-3600 may be good enough), has better FM sensitivity, higher phono input overload, etc. Of those I liked the 1280 best, for obvious reasons. The Pioneer SX-838, released in 1974, features a combination of excellent sound quality, power, and classic design. That combined with the power difference makes the SX-780 a far more capable receiver. Anyone else want to comment? Jan 27, 2009 · Not sure if they are similar to the SX-X50 series or not but I have a Pioneer SX-1080 and an SX-780 and I can almost say that I like the sound of my 780 better. No real big power differance though. Got a Pioneer SX-780. Searched the different message groups but no definitive answers in terms of real differences in performance. Which is probably due to those Darlington STK-0050 Power Pack output devices. :yes: Aug 21, 2007 · Decisions decisions SX-750 or SX-780 I have an opportunity to get either a SX-750 or a SX-780 from a seller or even both if I wanted (I wish, lol). But left it switched on longer. Aug 19, 2024 · Pioneer SX-535, SX-580,SX-680, SX-780 Receiver Parts - Assorted Items Canuck Audio Mart CA$1 Feb 4, 2021 Classic Audio Pioneer SX-780 Classic Audio $599 9% Oct 25, 2020 Jun 15, 2010 · Well,it’s about time for a change. Jun 12, 2015 · The composition used is the theme song from the movie, "The Magnificent Seven," by Elmer Bernstein. 2ohm still in spec. It was produced from 1978 up until 1980 and had a list price We love vintage audio gear audio in our houseI bought my twin sons a Pioneer SX-780 to start their first stereo system and last year, I bought myself a Pi Nov 8, 2009 · As far as size goes, The SX 850 & up are large and heavy & won't fit in your particular cabinet of 19" or less I have the same issue so my 850 sits while the SX 780 & 750 gets play time until i can find a wider cabinet. The same applies to the SX-1280s, you'll have to pry them from my dead hands!! Now while I do like the look of the SX-1250 and the unique SX-5590, I prefer the look of the SX-1280. I also noticed the right power meter shows the output is a little less than the left meter. Thread starter sruchris; Start date Feb 17, 2021; S. 6v on both sides, R318 has -51. The SX 3700 is a fluroscan. The SX-850 looks almost like an SX-1250, whereas the SX-880 is much more closely related to the lower SX-780 than the SX-980. The 680 has feedback type tone controls in the power amp, while the 780 has tone controls before the power amp. I have owned an SX-737 and I currently own an SX-828 and an SX-780. For example: using a fm station or a turntable for a source, I set the receiver to mono and monitor the signal on the receiver panel meters. The Pioneer SX-780 was one always one of my favorite models when I was growing up, as it has struck the "Sweet" spot in Pioneer's heralded SX-80 Series back in the late 70's. Feb 3, 2008 · Sx 3700 Vs sx 780/750 I own all three ( Including the blk face sx 750) The sx 3700 looks and sound fantastic but to me the 750 puts out the best sound. Was looking at the replacement stk0050 from this thread- and the parts list/ebay item Nov 6, 2015 · The model you have can be used here in the US on 120 volts or taken to Europe and elsewhere and used on 220-240 volts. micaiahm; Feb 4, 2017; Pioneer Audio; Replies 0 Views 813. The SX-1010 and the SX-1250 are very sought after pieces (rightfully so!) that go for high prices if they are in mint condition, but if you are on a budget, receivers like the SX-750, SX-850, SX-950 are better buys. 780 having STK's and 880 having discreet but the layout throughout the receiver is almost identical. Jan 30, 2010 · SX 780 Recap List Pioneer SX-780 ReCap Electrolytic Capacitor List NOTE: These are just the ones I replaced. Like others say the Pioneer leans to the warmer side while Yamaha is cooler a bit more clinical. I easily repaired my 1st reading all the SX-780 posts on this site, which was a pretty straight forward STK pack replacement. S. Price of used gear is no indicator. I use to adopt allot of sx-650's, 750's, and 780's. The SX-880’s dimensions are 19″ x 12. Sx 737 vs 780. Of course, if you want a true monster receiver, the SX-1980 is occasionally available on the market for a few thousand dollars or more. The device is rated at a power output of 50 watts per channel into 8 ohms (60 watts per channel into 4 ohms). I've never heard SX-750 but I assumed SX-780 supposed to be better than SX-3700. Here is my thoughts. 5″. Oct 6, 2005 · Off the top of my head, the 750 has bidirectional dubbing vs. Sep 12, 2021 · Today I'm showcasing a Pioneer SX-750 stereo receiver that came in for restoration. N. What a Jun 17, 2018 · AK January 8, 2022 at 7:04 pm. I personally like the appearance of 750 better and I am not a big fan of larger size and too many control knobs. But, it cleaned up nicely and all functions work great. Military model 23 25 29 33 33 34 This service manual is applicable to the KU type. Jun 14, 2017 · So tonight I AB'd my Pioneer SX-828 and my Pioneer SX-750. The main models I want are the SX-535/636/737 or the SX-580/680/780. The SX-780 was rated at 45 watts per channel but that was probably under rated. ) May 3, 2013 · It was interesting to contrast that tank with the Pioneer SX-750, a model in the same spot in Pioneer’s model line from only two years later. 880 has a bit more power, but it's more a successor to the 750 than the 850 as the 980 is closer in base feature set and is the lowest 80-series to have a Oct 13, 2015 · Yep, these things have all kinds of quirks but I just found a new one for me. Everyone likes different sound, i prefer the 1010 sound by far of any Pioneer receiver. While not a big difference anyhow; nevertheless were the ratings done in the same manner Feb 8, 2007 · Pioneer: SX-980, SX-990, SX-535, SA-730. They all said that SX-750 and SX-850 sound similar. 1050 all the way,,,,, May 12, 2020 · Hello- New to the vintage receiver sx-780 test/repair arena. The round device next to the sockets contains a fuse and and plug with pins that would go into different holes labeled with the input voltage that connect power to different sections of the power transformer so that regardless of which input voltage the receiver gets, the Nov 28, 2012 · Well, Last Saturday in a local find, I picked up a Pioneer SX-780 and Sony STR-6065. As a disclaimer, they both function 100% but neither receiver has been rebuilt, caps etc. Jan 14, 2016 · That said, I ran my Pioneer SX-750 when I had it with some ADS L710. The SX-750 was rated at 50 watts per channel and had performance specifications that all but matched the top-of-the-line SX-1250 except for per I'm a collector by nature (bikes, mid-century furniture, books, records, hi fi audio, etc), but she is absolutely not. Feature-wise, the 880 is a closer match to the 750 minus the power meters (tape monitors etc). Apr 27, 2011 · The 780 is rated lower in wattage. Nov 17, 2009 · The SX-850 and SX-950 are the same size, the SX-1050 larger (deeper and wider) and the SX-1250 is slightly larger yet. If the left side says it is putting out 8 watts, the right side says it is putting out 1 watt. Haven’t heard them in person but both apparently work perfectly and are all original. Aug 13, 2005 · To me, there's no contest, the SX-850 is all around the better unit, even though it doesn't have the power meters. ; anything other than the obvious power differences. She definitely doesn't get why I'm driven to find nice things. The 780 had a bit less distortion and less colored sound when new, but a refreshed 750 can be just as clean and more forgiving. At first thought it did nothing. Enjoy. Not the powerhouse models of their day, but they both are more than competent and beauties to gaze upon if a vintage experience is what you are looking for. Unit: AM/FM Stereo Receiver Manufacturer: Pioneer Model: SX-780 SN: AF3653494Y I recently repaired another Pioneer SX-780 and decided to upd Marantz 2230 Receiver Restoration Unit: AM/FM Stereo Receiver Manufacturer: Marantz Model: 2230 SN: 41141 I bought this receiver about a year ago from the original owner. Jan 5, 2019 · Pioneer SX-580; Pioneer SX-680; Pioneer SX-780; Pioneer SX-880; Pioneer SX-980; Pioneer SX-1080; Pioneer SX-1280; Pioneer SX-1980; Pictures . pioneer sx-750 Dec 31, 2022 · The Pioneer SX-750 is a stereo vintage hi-fi receiver with an FM/AM tuner and an amplifier. May 20, 2018 · Pioneer SX-750 vs SX-838, sound very different, need restoration? lshj2015; Jul 31, 2020; Pioneer Audio; Replies 13 Views 6K. The SX-750 was and still is one of the most popular and well-respected receivers from the 70's. I first tuned in some classical music on FM, and then listened to some Charles Mingus on vinyl (via a Marc Morin resto-modded Acoustic Research AR-TX turntable with a nice Grado 8MR cart). Thread starter Unshriven; Start date Oct 5, 2011; Unshriven Active Member. Power Supply and Protection Assembly (AWR-099) This particular example exhibited a constant loud "hum" noise due to the failure of the filtering capacitors (C17, C18) in the regulated power supply (AWR-099); this is a relatively common problem for this model. This would be used in a second system with a turntable & cd and connected to small Paradigm bookshelfs Model Atom(the first version, circa 1995) MODEL SX-780 COMES IN FOUR VERSIONS DISTINGUISHED AS FOLLOWS: 120V only 120V only 110V, 120V, 110V, 120V, 220V , 220V, Voltage 240V (Switchable) 240V (Switchable) Remarks U. AdamTM. While I like the extension and clarity of the high frequencies, they seem to be lacking "guts". One is 100% original (and working) and the other has been re-capped. Oct 19, 2011 · One of the classic mid-range receivers offered by Pioneer in the mid 70’s was this Pioneer SX-650. Acquired an sx-780 with a shorted Darlington STK0050. The build quality is unbeatable, plus they are easy to work on should you ever need to. The very bottom end goes soft first in a manner that can go completely unnoticed. Powered up, no sound. Produced from 1978 up until 1980. There are two coupling capacitors (C1, C2) and four aluminum electrolytic capacitors (C3 thru C6) installed on this board. Weight was down considerably, the real wood cabinet had been replaced by gossamer vinyl woodgrain stickers, and the rear panel was more basic. Jan 5, 2011 · I want to put a vintage Pioneer in my stack and am looking at an SX 780, 880 or 980. The Sx 750 is 50 wpc while the 780 and 3700 are 45 wpc. 1 Kg) while the SX-880 weighs in at just 27 pounds (12. External Link: Classic Receivers website: External Link: "Classic Audio" website: Nov 27, 2013 · Of EVERY receiver I have to compare a lower watt model with it's monster brother, the SX-750 compares best by huge margins so far. Pioneer SX-780 was the Pioneer’s 700 series receivers and was very well built. But SX-850 is significantly larger with more knobs. Technics SA-500 Long time lurker, finally ready to pull the trigger. Feb 4, 2017. Mar 21, 2011 · Here's some info on the SX 750;" The SX-750 was introduced in 1976 and manufactured through 1977. The Sony STR-6065 was quite dirty inside and out. the 780's 1->2 dubbing capability. They also got lighter. Feb 28, 2022 · The protection unit in Pioneer SX-850 has the same design as in Pioneer SX-1010 introduced to the market in 1974. :thmbsp: Nice score, by the way. I haven't owned any vintage equipment for some time now so just fishing for opinions here. Jun 18, 2023 · As an example the Pioneer SX-850, which the SX-880 replaced, weighed 42 pounds (19. TX-130 McIntosh: MC225, C11, MR67, MR7082, MA6200, MAC 1700, MAC 1900 The McIntosh equipment costs far more than the Pioneer. Image: Pioneer SX-780; Reports Links . It was initially introduced in 1976 and made through 1978. The Pioneer SX-750 was an upper mid range receiver with a perfect complement of features and performance for someone wanting good performance while, at the same time, not breaking the bank. It was the last of Pioneer’s 700 series receivers and was very well built. Aug 26, 2006 · sx-750 vs sx-780. If you want to keep it even simpler and vintage, look for some Large Advent speakers or KLH Model Six. I have a "Supergrade Level IV" restoration for the Pioneer SX-750 and other SX-x50-series receivers. They're both fine examples of the era. Pioneer Sx 750 for sale | eBay Jan 16, 2009 · Welcome to AK! I agree, the SX-650 is too much money for $70. For instance, right now eBay selling only three SX-750 and fifteen SX-780 (5 times May 29, 2015 · If Pioneer would have put the same wood veneer the 727 has on the 737 along with prein main outs, the 737 would have been #1 of all the Pioneer receivers of the era. Jun 18, 2016 · Bias setting for the SX-780. I built the recommended kits and replaced both modules and the unit started working. Oak Tree Vintage Sales theorizes that Pioneer's SX-780 was probably the best selling model of Pioneer's SX-x80 series. Basie's trombone section doesn't have much "oomph". Nov 20, 2009 · The Pioneer SX-780 is quite a different beast from the older, way more euphonic Kenwood KR-4140. They sound a lot more powerful than their stated 45 watts-per-channel, whilst being bereft of that 70s-era midrange-centric Pioneer house sound. Mar 4, 2015 · Sharing my experiences, I have both the SX-1250 and SX-1980. SX-780 feels like scaled down unit. (Used to be a Sansui 4000 to bigger andnot a similar result, but still prefer the Sansui with more pairings. On the plus side, the SX-880 is discrete and does not use IC’s in the design like the SX-780 and lower models. Jan 22, 2017 · I'll be auditioning a Pioneer SX-780 against a Sansui G-4700 soon and would like some input as to your opinions on sound quality, longevity, ease of maintenance, abundance of parts, etc. 00: Pioneer SX-750 Receiver Good Condition Works: Sold Nov 11, 2022: $339. I would like to solicit opinions from those who've used them about things like clarity, warmth, faceplate options, amp punch, etc. :yes: The 680 uses a pair of 2sa725's in the phono amp. Feb 15, 2009 · These models seem to have followed each other in the receiver lineup. Both offer similar facilities and peripheral unit support. I compared the preamp sections with Sennheiser HD-600 headphones (source: Onkyo C7030, Dire Straits Brothers In Arms), and speaker comparisons switching back and forth using Polk Audio RTi12s. I have an SX-850 too and I give the edge to the 880, though perhaps just on looks alone. Still, the 750 is a nice receiver and better IMO than the even more popular 780. pioneer sx-750 vs sx-3700. Get the best deals on Pioneer Sx 780 when you shop the largest online selection at eBay. I am thinking about either seeking out THIS particular model, or a "LIKE" model Harman/Kardon Twin, Marantz or Sansui model (similar in price and power). b) SX-750 is rarer then SX-780 according to numbers of eBay listings. 2W (TO-126 case). 5v Mar 15, 2021 · Let’s chalk it up to learning they bought a kit for the parts - enough said. So it's a easy choice for me to pick SX-750. Marantz does generally command a higher price, but it's based on collectability, number of units made, etc. Page 21 Post# 417 and Post# 424 - 428 Some extra assembly notes: Page 48, post #490 Update Jul 26, 2010 · I checked the DC offset on my 780 and the readings were right around 3mV in the left channel and around 25mV in the right. 25 lb (and 5wpc more power). The SX-650 was produced from 1976-1977 and sold for around $300. Oct 31, 2013 · Characterizing the SX-750 as nearer to the bottom of the line than the top is not accurate within the context of the x50 series, not accurate when compared to all of the Pioneer mid-wattage receivers produced in the 70's, and not accurate when compared to the huge array of mass-market receivers produced by Pioneer, Marantz, Kenwood, Sansui, etc in that same era. Any known issues with either? Which would you prefer? TIA! Aug 2, 2015 · 1050 vs 750 Jeff is correct, there is a world of difference between the two. It’s a SX-780 - so no harm messing around with that STK set. Full recap, transistor replacement, deoxit treatment (multiple times - even disassembled the Apr 22, 2021 · As to the 890 I think it is a Euro version but to be sure I would suggest you use the search feature here (Upper right hand corner) type in "Pioneer SX-890" then click Search Titles Only should be a plethora of information. Why anyone would take an SX-3600 instead of an SX-780 is a mystery to me, unless you can get the one for less money than the other, or the one is in better Dec 7, 2018 · The 750 has a bit more power, and, in my opinion, a better tuner section. The Pioneer CS-88 has incredibly high speaker sensitivity and can be easily driven by the SX-780, unlocking both HiFi components’ full potentials. My first real reciever was the SX-750 and I really wish I still had it!!:tears: Pioneer SX-750 vs SX-838, sound Nov 15, 2006 · I'm a pioneer nut, but I would agree the marantz is a nicer more rare unit. And I've tried similarly priced Marantz, Sansui and Yamaha vintage receivers and I prefer the Pioneer SX-780. Could the dc offset have anything Aug 28, 2023 · OK. Posted by Tadlo (A) on July 21, 2006 at 09:50:41 . It looks like it replaces the STK0050 in the way the DIY kit does, but doesn't need adjustment. Controls The controls May 26, 2010 · Well comparing my Marantz 2250B to my Pioneer Sx-980, I would go with the Marantz for sound quality. R317 &R318 were both replaced, 2. R317 has 49. The untouched one has a decidedly warm, dark character, and the re-capped one is much leaner and crisper. It is a descendant of the SX-650. Pioneer SA-6200 Power amp board transistor Jan 22, 2013 · SX-780 sounds thin, light compared to SX-3700. SX-9000; inherently noisy? tubmyk2; Jan 31, 2023 Oct 12, 2012 · I just picked up a Pioneer SX-1080 for an unbelievable $30 . With SX-780, I had to mess with tone controls and still didn't get perfect balance. But the demand for that model is weak. The control is an acv-138, a dual 100k audio taper (logararithmic taper) pot, used in the sx-535, sx-550, sx-750 & sa-7500 II . The SX-750 is a superb unit - period. Thanks guys, and soon welcome me into the vint Pioneer club. (IMHO) I love my 780. The sx-750 is a nicer unit than the sx-780 as well. I turned around and bought an immaculate SX-1980 on Craigs list today(2-23-12) for a great price. It retailed for about $199 and produced 30 watts per channel. The same Infinity RS 1000 now sounds like a much bigger speaker and sounds perfect. micaiahm. Today the x3x line from Pioneer is highly desired for both its performance and its looks. Save Big on new & used Pioneer SX from top brands like Pioneer, Marantz, Kenwood & more. 2. I dis Feb 16, 2010 · pioneer sx 850 stereo receiver vintageand working great. Does it sound better in the same proportions as one might infer from its higher price? Hard to say. Oct 5, 2011 · Pioneer SX-750 vs. so maybe an unfair comparison. However, while the 750 is rated 50WPC and the 780 is rated at "only" 45 WPC, most people who have or have listened to both would likely report that the "45WPC" rating of the 780 seems to be very conservative. All I really found was: Mar 15, 2020 · With first hand experience with the CR-800, CA-610II, SX-1500TD, and SX-636 lean toward the Pioneer but it is a close contest. Burl Veneer Pioneer SX-750 Case Project. Thread starter carlitosway; Start date Aug 26, 2006; carlitosway New Member. ) Line changes were not incorporated into the manuals but some were sent out to shops in the form of addendums to manuals, or update sheets, recall's etc. May 28, 2009 · Good job You should enjoy that SX-750. for these two pieces. I have a pair of Pioneer CS-99A Dec 11, 2007 · I have a Pioneer Sx 780 which according to the panel output meter and listening to the sound is weak. I used headphones and FM but I have to say the 828 blew away the 750 in all respects. I think the 828 may be my favorite. The Pioneer CS-88 is one of the very best speakers to match with your Pioneer SX-780 stereo receiver not just because they are both from the same company. Pioneer sx 750 vs 780 Nhà & Vườn Đồ cổ Tác phẩm nghệ thuật Phụ tùng xe mô tô và xe hơi Sản phẩm Mẹ & bé Kinh doanh & Công nghiệp Sưu tầm & Nghệ thuật Đồ điện tử Nhạc cụ âm nhạc Sức khỏe & Làm đẹp Điện thoại & Phụ kiện Máy tính & Máy tính bảng Đồ chơi trẻ em Máy ảnh & Quay phim Thời trang & Phụ kiện Aug 15, 2014 · Here’s another of the classic Pioneer receivers. May 17, 2007 · At around $30 plus the price of a good power supply (either a 12v plug-in supply or rechargeable SLA battery), the tiny Sonic Impact T-Amp is nearly the same price as a decent Pioneer SX-780. Page 17 Post# 329 More about the sub circuit design from Rick. 1st 2012 restored by Circle Stereo on Ebay for $2,700. 95. Page 20 Post#386 and Post #410 Use in a SX-580. model Canada model General export model U. Then I moved on to replace all the caps on the main board section by section and Aug 12, 2011 · I have both an SX-780 and an SX-880 (and an SX-680) and I say, go for the 880! It has to be one of the most handsome receivers in the series. For a basic high quality starter I would go with the SX-850 or SX-950. Am glad they like vintage = we have that in common. I'm curious about thoughts from a couple of angles. I had some reservations about the SX-780, but reading about how well-regarded the SX-780 is on this forum is reassuring! Sep 6, 2004 · My Pioneer SX-780 just caught Mono. This is the Pioneer SX-780. I'm currently rocking a very nice recapped Pioneer SX-750, which I could easily turn around and sell for what I paid for it ($200). Apr 25, 2021 · Pioneer Audio . Sansui G-6000. External Link: "Hifi Archive" website: Jun 9, 2022 · The Pioneer SX-750 (see image) is both an amplifier and a hi-fi receiver that comes with an FM/AM tuner that offers a respect-worthy power output of 50 watts and is designed in true 70's style that can be an authentic addition to the look of your space. Both units are supposedly in good condition, just needs some cleaning. Mar 19, 2020 · The 45 watt SX-780 is completely different. Sep 25, 2011 · OT: Have you seen SX-780 and SX-880 physically in front of you? If you compare even with schematic, you'll find them to be almost identical. He been using the Marantz in his living room as a main and the Pioneer is relegated to the practice room in the basement. If you're looking for a vintage AM/FM stereo receiver that […] Sep 13, 2013 · Pioneer fans, I have been blessed with my choice of a free Pioneer receiver and the candidates are a SX-737 or SX-750. It many not have the build quality and modular feel of the bigger brethren Jun 6, 2011 · This is the Pioneer SX-780. Thanks. So the jury is still out on which is better. For a $100 (or less) receiver I don't think it can be beat. all original knobs , this is my second 850 model this month and it too was serviced with brand new pioneer 8 amp fuse lamp ,,so the lights will last for another 20- 30 years. Thoughts & recommends? Mar 1, 2021 · Built and engineered like refined tanks in the golden age of stereophonic equipment in the mid 70’s, Pioneer was regarded as the high water mark for both value and high fidelity performance. The Y indicates the highest gain 'group' of the KSC2690A: 160-300 h fe . Looking at the different mid to late 1970's Pioneer SX receivers and narrowed things down to the various SX-x50's (650, 750, and 950) or various SX-x80's (680, 780, and 980). 00: Pioneer SX-780 Receiver : Sold Dec 3, 2022: $369. The SONY is tarred by the BPC brush while the Pioneer has classic looks. What's your experience on these two? The Pioneer SX-780 is quite a different beast from the older, way more euphonic Kenwood KR-4140. 99: Pioneer SX-650 Receiver Feb 14, 2017 · Here are some pictures and details of a Pioneer SX-750 restoration/upgrade project. Aug 13, 2023 · The Pioneer SX-828 AM/FM stereo receiver was introduced in 1971 and was on the market until about 1973. Jul 29, 2014 · When the SX-850 was introduced Pioneer’s top of the line receiver was the SX-1250. . IMO they along with the blackout dial series that came before them are the best of the Pioneer line of receivers. I liked the 2230b best, it had a fantastic tuner! I've had Pioneer SX-1280, 1250, 780, 750, 424, 980, 737 and more that I can't remember. Its retail price was $499. I've never heard an SX-838 so I don't have an opinion. I like the 780 don't get me wrong, just like the Marantz's more. Model: Pioneer SX-780 Type: Receiver Year: 1978 Watts Per Channel: Here is a list of Pioneer SX-780 Receivers for sale: Jul 31, 2020 · When I bought SX-750, the guy also has a SX-850 on sale which cost twice as much as 750. Thanks for the info! I'm really looking for a classic Pioneer and have a few models in mind. Thread starter Darmicfon; Start date Apr 25, 2021; D. Pin 11: 39. I'm in the process of cleaning her up and will look forward to a side by side with my Sansui. I think build quality is much better than this particular pioneer. The Pioneers look nicer though. Power switch upgrade, 4 new audio opamps, LED retrofit, electrolytic and film cap upgrade, walnut re-veneered cover, FM IF filter upgrade, etc. I am a huge Sansui guy, but this deal was one that, of course, I couldn't pass up. Moving to vinyl now, Rush's 'Moving Pictures'. Free shipping on many items $750. What are the main internal differences and changes in these models as Pioneer moved from one to the other? Quality Jul 2, 2012 · I gave him back the Pioneer when it was finished and left the Marantz also. Jan 30, 2014 · The Wharfedales are supposed to be very warm/smooth and yet resolving, so I think they will do a good job of smoothing out any harshness or grain that the SX-780 might have. 50 WPC. I have been using a 750 for about a year, and I was interested in comparing the two. Nov 3, 2009 · I just bought my SX-780 a few weeks ago and it's a great classic. Jul 21, 2006 · Pioneer SX 750 v SX 780. It's rated at 54 watts per channel and is basically a higher power version of Pioneer's SX-727. Oct 23, 2016 · Pioneer SX 780 Relay Keeps Clicking. Receiver came to me with channel balance issues and sporadic FM tuner fade issues (unknown when I bought it - DOH!!). If necessary or for the fun of it, 780 can be retrofitted to be discreet. It was at the lower end of the x80 line from Pioneer that year but had Dec 2, 2020 · The Pioneer SX-780 is a great mid-range receiver from one of Pioneer’s last series of receivers before they switched to digital meters and black faceplates. It's weird but the Pioneer SA line-up of Amps fit perfectly, including the TOTL SA 9800 @ 100 wpc. A. It simply sounds better. My suspicion this high end SONY (80 wpc) probably does equal or outperform the 780 (45 wpc). Sep 27, 2020 · Was considering offering the SX-850 that I just finished, then I spied a 'rough' SX-750 for sale. One of the best Pioneer receivers (or any brand) for the money in my opinion. It includes an added tone control that performs like the loudness switch without the extra booming bass effect Aug 18, 2021 · Best Speakers to pair with Pioneer SX-780. It is brighter and more scooped and definitely lacking some mids from 200 all the way to 1k. Mar 6, 2013 · Had you said Pioneer SX737 or SX838, I'd say Pioneer, especially if you were comparing the SX838. Darmicfon New Member. Mar 13, 2014 · The other Pioneer units i cannot tell much of a difference when i turn the bass up, or engage the loudness function. Page 18 Post# 359 Technics SU-V4? Will it work? It should. 19 watching. As with other new SX series receivers introduced in 1976, it featured a silver analog AM/FM tuning dial. this sx is working beautifully and sounds nice. Jun 26, 2012 · I don't have these monsters, but I have SX-750 and SX-780. The Pioneer was is pretty decent shape with some light dust inside and a bit of filmy grunge on the outside. I give that honor to the 828. The SX-750 did just that while putting out 50 watts per channel at 0. Yesterday at 3:21 PM. Back to the ops question I think they are both very close sonically so I prefer the 727 because of the gorgeous wood cabinet and having the Jan 3, 2018 · The SX-780 uses an output "power pack" module which is basically a large IC chip package instead of separate output transistors. Jun 18, 2023 · This is the Pioneer SX-680 receiver. It has hardly been used after all these years. This is also a good resource for information along with the link I posted earlier with regards to the dedicated Pioneer forum. I have owned both and the 750 is nice and warm with much less power, however I use a pair of Cerwin vega U321 HED monster speakers that are so efficient even a transistor radio could drive them and sound great. My preference is SX-850 and up but the SX-750 that I rebuilt a couple of years ago turned out better than I thought was possible. exybeth3. Feb 12, 2008 · The service manual is available for download by members on the Pioneer audio forum's service manual database. Feb 12, 2021 · Thanks! This is my 2nd SX-780 that i am helping a friend repair. I have been running these through some very, very revealing speakers, the Infinity RS4B's. I've got a pair of Boston HD10s and a pretty decent turntable hooked up to the SX-750 right now. Help me justify this somewhat overkill purchase. The 750 actually has more power rated than the 780, 50 wpc compared to 45 wpc. 00. 7v Pin 10: -39. 75″ x 5. Oct 1, 2012 · My question relates to the output rates, with the sx-780 being rated at 45w/channel and the sx-3800 at 60w/channel. cywllz ilj toyhb fneyc thjpqdp ntr sauevwh lqvkcn ubxdne ugj