Sansui AU7900 Integradted Amplifier

PhantomBox · 7th June 2009, 02:38 PM

Hi.

I just got my hands on an older Sansui AU7900 Integrated Amplifier.
I've read so far that this is an amazingly good sounding amp. I wouldn't know it first hand 'cause mine doesn't work.
Does anyone have the schematics for this amp on hand or knows of a page/link where I can get them?

Thanks in advance,

PhantomBox

taj · 7th June 2009, 06:34 PM

I'll email you the service manual. I found a beautiful AU-6900 in the trash at work recently, so I searched and found the documentation. It covers the AU-5900, 6900 and 7900.

..Todd

rtirion · 7th June 2009, 06:48 PM

http://www.audio-circuit.dk/Schematics/List%20files.php

destroyer X · 7th June 2009, 08:26 PM

DigitalJunkie · 7th June 2009, 10:26 PM

I just re-adjusted the bias on mine the other day. One of my Favorite amps of all time! (Their tuners were awesome too. -I'm a big Sansui fan.)

http://www.classicsansui.net/Schematics.htm

PhantomBox · 8th June 2009, 02:34 AM

Hi Todd.
Thanks for wanting to send them, but it seems that you actually forgot to include the link in your reply.

And hi "rtirion" and "destroyer".
There are links in your replies but it apparently is scanned in a low resolution and it's going to be a hard time to read the actual "small printing".

SchiZoID · 25th June 2009, 05:47 PM

@ Todd

Hello Todd!

I would be glad if you could also send a service manual to me too, or could you put in a link in this topic, please?

reg. Michael

hew128 · 11th August 2009, 01:44 AM

Hi,

Thank for the links ... saves a lot of time and effort grouping them like tat!

Bonsai · 11th August 2009, 02:46 AM

Some fantastic Sansui's here.

Anyone remember the AU101 - this was a small 10 or 12 watt per channel amp - sort of a 'starter' integrated.

They sold loads of them during the 70's.

taj · 11th August 2009, 11:18 PM

Hi,

Sorry, I've been a bit out of touch lately. The service manual I have is the same one that is provided in the 2 links above. In fact I believe I originally grabbed it from the second link and sent it to Jan for his website (the first link.)

..Todd

7th June 2009, 02:38 PM	#1
PhantomBox diyAudio Member Join Date: Jan 2008	Sansui AU7900 Integradted Amplifier Hi. I just got my hands on an older Sansui AU7900 Integrated Amplifier. I've read so far that this is an amazingly good sounding amp. I wouldn't know it first hand 'cause mine doesn't work. Does anyone have the schematics for this amp on hand or knows of a page/link where I can get them? Thanks in advance, PhantomBox

7th June 2009, 06:48 PM	#3
rtirion diyAudio Member Join Date: Nov 2000	AU7900 http://www.audio-circuit.dk/Schematics/List%20files.php

7th June 2009, 08:26 PM	#4
destroyer X diyAudio Member Join Date: Feb 2004 Location: Recife - Brasil Northeast	Nice amplifier __________________ Try to build an amplifier folks ... it is pure adrenaline!

11th August 2009, 02:46 AM	#9
Bonsai diyAudio Member Join Date: Aug 2006 Location: Taipei, Taiwan	Some fantastic Sansui's here. Anyone remember the AU101 - this was a small 10 or 12 watt per channel amp - sort of a 'starter' integrated. They sold loads of them during the 70's. __________________ bonsai http://www.hifisonix.com/

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7th June 2009, 06:34 PM	#2
taj diyAudio Member Join Date: Feb 2005	I'll email you the service manual. I found a beautiful AU-6900 in the trash at work recently, so I searched and found the documentation. It covers the AU-5900, 6900 and 7900. ..Todd

7th June 2009, 10:26 PM	#5
DigitalJunkie diyAudio Member Join Date: Apr 2003 Location: Portland,Oregon Blog Entries: 4	I just re-adjusted the bias on mine the other day. One of my Favorite amps of all time! (Their tuners were awesome too. -I'm a big Sansui fan.) http://www.classicsansui.net/Schematics.htm

8th June 2009, 02:34 AM	#6
PhantomBox diyAudio Member Join Date: Jan 2008	Hi Todd. Thanks for wanting to send them, but it seems that you actually forgot to include the link in your reply. And hi "rtirion" and "destroyer". There are links in your replies but it apparently is scanned in a low resolution and it's going to be a hard time to read the actual "small printing".

25th June 2009, 05:47 PM	#7
SchiZoID diyAudio Member Join Date: Jun 2009	@ Todd Hello Todd! I would be glad if you could also send a service manual to me too, or could you put in a link in this topic, please? reg. Michael

11th August 2009, 01:44 AM	#8
hew128 diyAudio Member Join Date: Jan 2006 Location: Singapore	Hi, Thank for the links ... saves a lot of time and effort grouping them like tat!

11th August 2009, 11:18 PM	#10
taj diyAudio Member Join Date: Feb 2005	Hi, Sorry, I've been a bit out of touch lately. The service manual I have is the same one that is provided in the 2 links above. In fact I believe I originally grabbed it from the second link and sent it to Jan for his website (the first link.) ..Todd

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