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swordfish689 4th March 2006 10:01 PM

Need help finding this part
I received this amp that was missing alot of pieces, i finally got to to the point where its missing one part. OP1 on the picture , i know its a optocoupler, but i need to know the part number. The amp is an audiobahn a275hct. If someone can that help that would be great. I think other audiobahn amps are made the same.

Perry Babin 4th March 2006 11:43 PM

2 Attachment(s)
I think it's likely a KTC117. I doubt that you'll find that part unless you can get it from audiobahn or from a manufacturer using a similar design like power acoustic.

If you can't get an exact replacement, a PS2503-1 may work.

swordfish689 5th March 2006 01:13 PM

Thanks perry, i was going to try a 2501-1 , that i have from a old alpine, but i see on the datasheet, that its different. I'll try your suggestion.

Perry Babin 5th March 2006 01:23 PM

It looks like the 2501 would work as well. The only difference I see is that the 2503 has an internal resistor (which isn't indicated on the schematic I have).

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