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Old 8th December 2011, 11:38 AM   #1
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Join Date: May 2011
Default Improving Technics SU-8080

Hello there -

I've got hold of an old Technics SU-8080. It's a very nice amp, but pretty old now, and I wonder if there's anything I can do to improve it, such as replacing the capacitors. Does anyone have any experience with this? I have the users' and service manuals with schematics, if they're helpful.

Would be very grateful for any advice.

All the best, Richard
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Old 8th December 2011, 06:27 PM   #2
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Join Date: Apr 2004
On an amp of such age, replace all electrolytic capacitors. That in itself will most likely bring a vast improvement in sound, especially in bass if the power supply capacitors have aged significantly.
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Old 9th December 2011, 08:33 PM   #3
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Join Date: Apr 2011
Location: Pretoria
Replacing all the electrolytics seems like a daunting task, but it should be worth the effort.

Click the image to open in full size.

Here is a thread about working on one these beasts:

My SU-8080 Technics is popping...

Last edited by ingenieus; 9th December 2011 at 08:36 PM.
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Old 10th December 2011, 11:10 AM   #4
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Thanks for the replies. Any recommendations for which caps to use?

All best, Richard
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Old 10th December 2011, 02:42 PM   #5
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Join Date: Apr 2004
Just use good quality ones - Nichicon, Rubycon, Nippon Chemicon, Panasonic. 105c types preferably. Personally I am a fan of Panasonic, but any of the brands I mentioned are good.
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