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bra 27th March 2004 07:55 PM

Krell KSA 50 pcb

I have schematic of Krell KSA 50 - it is great amplifier, but I need pcb for it. Maybe someone can project this. I'll send circuit on email.

bra 12th October 2004 07:44 PM


maybe has anyone good pics of Krell Ksa 50 pcb. I'm going to make a Krellclone. Can You help me guys.


bra 12th October 2004 07:45 PM

2 Attachment(s)
Here is schematic.

Zero Cool 12th October 2004 07:56 PM

Very interesting. I wonder how the KSA-250 differs from this. more output transistors for sure but....

Zero :cool:

Jan Dupont 13th October 2004 09:39 AM

I can make the PCB-layout ;)

jwb 14th October 2004 05:56 AM

I'm working on a KMA 160, which is interesting to constrast with the KSA schematic you posted. For one thing the KMA has an (unprotected) FET input. For another, the KMA uses a regulated supply for the front end and a separate bulk supply for the output.

What's the timeline? When was the KSA 50 made? The KMA 160 is from 1989.

Luke 14th October 2004 08:21 AM


would like to see a pcb layout for KSA50, will it be a single sided?:)

bra 14th October 2004 04:19 PM

KSA 50 is from early 80'.

Jan Dupont 14th October 2004 05:35 PM

As I see it, it will be single sided (easier for the diy-people) ;)

Zero Cool 14th October 2004 06:41 PM

I am interested, keep me/Us posted!

Zero :cool:

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