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Old 10th August 2008, 02:08 PM   #1
tbob18 is offline tbob18  United States
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Question Sonic T-Amp no output

I have two 1st Gen Sonic T-Amp's I use to Bi-Amp my Wharfedale 7.2 Anniversary speakers.

I moved my amps to another location and now neither of them will output sound to my speakers anymore (I have tried multiple inputs including MP3 Players and different computer, different speakers all with different cables that I know work).

The red light comes on so I took them apart and the tripath chip still gets warm.

Also when I turn the amp on and off I can hear the the click noise through the speakers like usual.

It is kind of odd that they both seem to be having the same exact problem.

Any Ideas? Thanks.
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Old 10th August 2008, 03:47 PM   #2
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Have you tried different input cables
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Old 10th August 2008, 04:10 PM   #3
tbob18 is offline tbob18  United States
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Yes I have.. Does not seem to make a difference
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Old 10th August 2008, 04:12 PM   #4
Puffin is offline Puffin  United Kingdom
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Have these amps been modded and if so what mods have you carried out?

When you moved the amps did it inviolve moving any other equipment?
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Old 10th August 2008, 10:02 PM   #5
tbob18 is offline tbob18  United States
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No mods have been done.
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Old 10th August 2008, 10:07 PM   #6
tbob18 is offline tbob18  United States
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Yes, I also moved the computer that it was connected to.

Okay, one of the amps just started working.. I am not sure what caused it, just hooked it up again and it started working, the other is still not working.

I guess I will just have to make do with one amp for now.
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Old 10th August 2008, 10:15 PM   #7
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Don't know if it helps but I use an SI the same as yours but not biamped. For some reason sometimes if the output cable is removed or another (headphone) cable is plugged in which becomes the default output source, then is removed, the computer doesn't output sound to the rear jack feeding the SI amp. The playback devices show the amp to be connected and should be receiving a signal but for some reason it isn't actually sending one? I usually just try plugging things in and taking them out and switching things on and off and eventually it starts up again...
If this made no sense I quite understand, just tell me and I'll try and make it coherent tomorrow...
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Old 10th August 2008, 10:32 PM   #8
tbob18 is offline tbob18  United States
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I think I understand what you are saying.. Basically your PC has multiple outputs and you have the T-amp on Line-out and your headphones on the headphone out.

I am pretty sure this is not the problem I am having because I have fed it directly from MP3 players to the amp (and tried unplugging/plugging it in many, many times.) and I only have the T-Amp hooked up to my PC (no headphones hooked up).

Maybe it will just start working again like the other one..
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Old 10th August 2008, 10:59 PM   #9
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Yeah, when mine stopped working I didn't try it with an ipod or anything else but was getting the same little crackle when turned on... hope it sorts itself out for you.
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Old 10th August 2008, 11:31 PM   #10
tbob18 is offline tbob18  United States
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Hmm, it seems there is still a problem with the working one.. sometimes I will turn it on and get no output but if I turn it on/off a few times it works fine... Odd.

I just tried this with the other non-working one, I turned it on/off about 50 times and I still get nothing... seems like a different problem.
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