Sansui au 919 transistors pdf

Thus from input to output, the elaborate power amplifier of the au. I just recently purchased a sansui au20000 amplifier and a sansui tu9900 at an estate sale. It had world beating sound quality and achieved a recommended rating in hifi choice a once well respected british hifi buying guide. The sansui au919 is a highly regarded vintage integrated amp. Sansui diagrams, schematics and service manuals download for free. Below you will found our manuals on the sansui au 919. The 2000 is also similar, but lacks the handy plugin power amp board. View and download sansui au 919 service manual online. I returned it to my friend when he was getting is other sansui amp repaired it may be the aux11.

Jul 02, 2007 the sansui au 919 is a highly regarded vintage integrated amp. Sanken transistors for sansui aux1 au919 2sa1068 2sc2493. If the au919 is the only one of the series to have been exported in significant numbers, it sold in sansui au919. Sansui 210101286 au d607f integrated amplifier transistor. I got my sansui au 819 about 1980 and the sound is very nice. The 2000a is almost identical and most of whats here applies to that unit as well. Oct 27, 2004 the au 9900 was rated 80 wpc, but dont let that fool you. Vintage sansui au9900 integrated amp steve hoffman. The au 1 used the same output transistors to produce 110 watts per side, so the ones in the au 9900 arent working very hard by comparison, and they tend to survive quite well. Download the sansui au919 manuals for free hifi manuals. The au9900 was rated 80 wpc, but dont let that fool you. Sansui au919 manual integrated stereo amplifier hifi engine. View online or download sansui au919 service manual.

Sansui engineers have perfected the straight dc circuitry of the au 919 integrated stereo amplifier right down to the very last superlative. Service manual for sansui au919, downloadable as a pdf file manual details. The only other time an amp will get this hot is driving a load that it is not really up to and the sansui amps were quite powerful for their day. We can also offer a range of modifications which will improve quad performance, as. Sansui repair qrx9001 repair specializing in qrx9001. The amplifier is known across the audiophile community for its highoutput power and low total harmonic distortion thd the au1 has an output power of 110 wattsperchannel, and was one of the earliest home audio amplifiers to use multiple transistors. Sansui au919 integrated beauty,extensively restored. Look at the picture that shows the sansui glue at work. Finden sie topangebote fur sanken rare transistors for sansui aux1 or au 919 2sa1068 2sc2493 one pair bei ebay. It looks like it took a bump at some point in its life because the face plate has shifted about an 18. Sansui au 919 thrift store find audiogon discussion forum.

To3 power transistors nmanmc what you can find in au819, au919 or baf1. Find great deals on ebay for sansui 919 and sansui 717. When the aud11 was driving 4ohm loads, the distortion did not change very much, reading less than 0. F2832 au819 loudness,jump,tone defeat circuit board f2833 au919 mc head amp. Initially transformer manufacturer, sansui acquired early 60s a reputation for making quality audio. The sansui au1 is a home audio integrated amplifier built by japanese audio electronics manufacturer sansui during the mid 1970s. As mentioned above, there are experts to be found at the audiokarma website. I will replace them eventually but the au 919, au x1, baf1 are in a class of their own compared with the previous generation.

Main amp is near the same as the aux901, but the 911dg are optimized in more places and a mash 1bits digital circuit with 4 digital inout and 1 optical inout. Some parts may fit other sansui receivers such as the sansui 2000a, 2000x, 4000, 5000, 5000a, 5000x models. Fixing and modifying the sansui 2000x receiver messy. The sound was blurred, checking the left channel quiescent found it at 0. Upon connecting the tt and turning the volume to a moderate. Sansui introduced only two more tube integrated amplifiers, au70 and au111, before they moved forward to the solid state silicon transistor amplifier, au777. I serviced this unit for her owner and will follow up with a complete. This beast is regarded by many to be the ultimate integrated of all time. Further checks showed the transistors were okay, however, turned out to be the amp was oscillating at some mhz. This is made to be rack mounted and used probably in conjunction with a few of them. Ive been looking into vintage integrateds and would love your opinions on luxman l 580 vs sansui au 1 vs accuphase e 202, how they perform sonically.

Sansui au 919 integrated amplifier for sale online ebay. Sansui didnt inflate specs where power was concerned, at least not with this series. Sansui au919 integrated amplifier owners manual operating instructions. Sanken rare transistors for sansui au x1 au 919 2sa1068 2sc2493 six pairs. Vintage hifi club sansui au 9500 integrato vintage. Where can i find the transistor 2sc680bl for a sansui au. English different language versions may vary sligthly in file size and page count. Service manuals, schematics, eproms for electrical technicians.

Identical to the second generation 07 series top model aud907 in the japanese domestic market. Excellent working condition and with a fantastic inbuilt phono stage, both mm and mc. I picked up the au 7700 for my smaller room and it is a better fit. I found the capacitors the square black ones that gave problems in the au 919 had lost their capacitance, mainly the 10pf ones. The power transistors are extra large, and offer linear response even at high power operation. This model was the last 07 series top of the line unit exported even the 07 series continued until 1997 ended with fifteenth generations and some marvelous limited editions.

Jan 07, 2014 i have a sansui au 919 in storage from 1980. The sansui au919 was sansuis top integrated amplifier of 1979. Circuit board reference by board g9000 driver connection circuit board f2819 aux1 flat amp circuit board f2820 aux1 speakers relay circuit board f2830 au819 power supply for power amplifier section f2831 au819 power supply for preamp. Jul 19, 2016 im selling my very rare and highly regarded sansui au 919 integrated amplifier. Sansui au819 manual stereo integrated amplifier hifi. I know this is a bit late the au x911dg was introduced in 1987 and discontinued in 1991. For sale sansui au 919 integrated beauty,extensively restored.

I got my sansui au819 about 1980 and the sound is very nice. Sansui, the company was founded june 3, 1947 by kosaku kikuchi. I have other sansui s au 417, au 517, au 717, au 7700, etc. The au1 used the same output transistors to produce 110 watts per side, so the ones in the au9900 arent working very hard by comparison, and they tend to survive quite well. At the end of 1978 sansui company came with its au317 amplifier.

Nos original parts are unobtainable but there are good replacements to be found. The sansui au 1 integrated amplifier the sansui au 1 is a home audio integrated amplifier built by japanese audio electronics manufacturer sansui during the mid 1970s. I found the capacitors the square black ones that gave problems in the. We offer restore services for the qrx9001, and the other sansui x001 receivers, as well as other sansui gear, specializing in units manufactured before 1980. You will never get a chance to buy those ultra rare sanken transistors. A must have for the au 919, as the power supply board is mounted directly onto these caps.

Note that in the case of the au919 the corner had to be ground off the metal tab of the transistor to allow it to. His repaired amp sounds better in his large roomshop. Well, these guysthe sanken transistors are rare, no longer in production and thus, expensive. I had one of the aud707 models for a bit the site riverrat posted only has some of the models and it was nice. I recently acquired a sansui au 719 which gets extremely hot. New thermal compound on all transistors on heat sinks.

For sale sansui au919 integrated beauty,extensively restored. The ultralow distortion of the sansui aud11 was demonstrated by its performance into 8ohm loads at 1,000 hz, where the distortion was between 0. The sansui 2000x is a good sounding and popular vintage receiver. Sanken rare transistors for sansui aux1 or au 919 2sa1068. Then there are the words which describe its phono equalizer and flat amp cleanest. I picked up the au7700 for my smaller room and it is a better fit. I had one of the au d707 models for a bit the site riverrat posted only has some of the models and it was nice. The amplifier is known across the audiophile community for its highoutput power and low total harmonic distortion thd. It is about between the 717 and the 919 which i have had both and i still have the 819. I hooked them up and everything powers up but the au 20000 right p read more. Sansui aud9 sm service manual download, schematics. In this video, i run through the layout and some technical details of this stunning sansui au919 integrated amplifier. Its been in use for several months, and i am enjoying it quite a bit.

Identical to the second generation 07 series top model au d907 in the japanese domestic market. Sansui au717 amplifier page 2 steve hoffman music forums. Could any one help me to know the substitute or equivalent no. Therere plenty of to3 transistors that would work with the vintage sansui amp. I will replace them eventually but the au919, aux1, baf1 are in a class of their own compared with the previous generation. Service manuals, owners manuals, schematics, diagrams, datasheets, brochures online for free download and free to your amplifier, receiver, tape, cd, tuner, turntable and recorder. I returned it to my friend when he was getting is other sansui amp repaired it may be the au x11. And what is really strange at service manual all emitter resistors are 0. Click here to download the service manual of the sansui au317 in pdf. This model was the last 07 series top of the line unit exported even the 07 series continued until 1997 ended with.

Vintage sansui au9900 integrated amp steve hoffman music. Also, do you think i should go for these vintage amps or stick with used amps from more recent times, i. If the au919 is the only one of the series to have been exported in significant numbers, it sold in japan less than some of its later versions close or distant such as the beautiful aud907 limited 1979, lapt transistors, nichicon oval caps, sanken transistors, copper plating allover or aud907f extra 1981, eight nonoval caps plus a. Im selling my very rare and highly regarded sansui au919 integrated amplifier. Closer to the 919 and just about the same circuit board layout but it does have the loudness switch very nice. Fastest rise time, highest slew rate, lowest tim or transient intermodulation distortion are not the least on the list. View and download sansui au919 service manual online. Also someone mentioned that the au717 was similar to the 919 with just more power. To open downloaded files you need acrobat reader or similar pdf reader program. If the au 919 is the only one of the series to have been exported in significant numbers, it sold in japan less than some of its later versions close or distant such as the beautiful au d907 limited 1979, lapt transistors, nichicon oval caps, sanken transistors, copper plating allover or au d907f extra 1981, eight nonoval caps plus a. Stile like series au 117 717, tu 217 717, sc 1110 5110, ax 7. However, i recently connected a pioneer pl12d turntable to the sansui and have had a bizarre problem ever since.

I listen mostly to classical, with a lot of jazz and indie music mixed in. Sansui service manuals brochures owners schematics mega collection set pdf dvd. Service manual for sansui au317 ii, downloadable as a pdf file manual details. The sansui au919 was sansui s top integrated amplifier of 1979. I believe gbart is correct, i use to have sansui amps, 919, aux1 that i remember and they did not get hot. The next picture is from official sansui service manual. Fixing and modifying the sansui 2000x receiver introduction. Sanken rare transistors for sansui aux1 au 919 2sa1068. Sansui au919 manual integrated stereo amplifier hifi. Immediate download after payment delivered as a pdf file. Au919 amp service manual service manual free download. One pair here you have a rare chance to get hard to find a genuine sanken nos. It still works but the main filter caps give trouble eventually and have to be replaced. The highestclass integrated amplifier which the sansui completed based on the chosen part making full use of the highest circuitry technology.

Below you will found our manuals on the sansui au919. Jun 06, 2010 i just recently purchased a sansui au20000 amplifier and a sansui tu9900 at an estate sale. The sansui qrx9001 and the rest of the line, are very special receivers from the golden age of stereo. Sansui au919 stereo integrated amplifier classic hifi. One has leaked electrolyte through the vent and lost some capacity. Sansui sr 838 ghep voi sansui au 919 santana black magic women duration. The top relay is the speaker protector, the lower relay is the softstart switch. Instead of very strong high frequency in the professional to au919 series, this. If the output transistors are different it indicates that at least one side was changed for a reason. The service manual functions as a repair guide for troubleshooting and sometimes contains tips for refurbishing and modifications. I know this is a bit late the aux911dg was introduced in 1987 and discontinued in 1991. One pair of rare sanken transistors 2sa1068 2sc2493 for sansui aux1.

Amplification is 2x1208ohm, 2x1604ohm and 2x3202ohm dynamically. The sansui line au 417, au 517, au 717, and au 919. Sansui engineers have perfected the straight dc circuitry of the au919 integrated stereo amplifier right down to the very last superlative. Main amp is near the same as the au x901, but the 911dg are optimized in more places and a mash 1bits digital circuit with 4 digital inout and 1 optical inout. Dec 19, 2017 in this video, i run through the layout and some technical details of this stunning sansui au 919 integrated amplifier.