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at1receptor 15th February 2008 06:25 PM

Service Manual Needed Please
My Yamaha DSP A-1 blew up and burned the board on the LFE (Low Frequency Effect- subwoofer connection) because of my foolishness. Anyone can help me find a service manual for this magnificent amplifier processor? You can also drop-in a service manual for a Definitive Technology Super Cube III? I am willing to remunerate (hope not so much!). Thanks.

Bigred 16th February 2008 09:55 AM

I have information for the DSP-A1

at1receptor 16th February 2008 03:33 PM

I'll appreciate it greatly if you can share that with me please.

Bigred 16th February 2008 05:19 PM

Thats pretty hard to do when you don't accept emails or have any contact info. :)

at1receptor 16th February 2008 05:52 PM

You can email me at Thanks.

Bigred 16th February 2008 06:29 PM

You have mail ;)

DanSimp 22nd March 2008 10:20 PM

bigred I was after a service manual for a yamaha dsp-a1 also. Any chance you can email me a copy? thx

hopefully I'll be able to fix the display as i think there are a couple of lose connections/dry joints

parsecaudio 23rd March 2008 12:01 AM

YAMAHA DSP-A1 schematic
Hello to all

A schematic for Yamaha DSP amp processor was uploaded on
and enter DSP-A1.
Totally free.;)

The manual is 3 parts winrar file.Download all before decompressing:att'n:

DanSimp 24th March 2008 01:26 AM

thank you parsecaudio.

the dsp1a is complicated! I noticed that on the schematic that there is a fan controller, I didn't even realise the A1 had a fan!

thanks again

Hi Speed 21st June 2012 12:01 PM

Hi all
I purchase in ebay one Definitive Technology Super Cube II and Super Cube III, for repair, please anybody have a service manual ?


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