Potentiometers for Dynacord Powermate 1600-2

methsound · 8th January 2019, 03:35 PM

Hello everyone,

I have Dynacord Powermate 1600-2 and I want to change two potentiometers. The problem is that after I removed them I am getting some strange values which are not very consistent with the online schematics, and I don't know if they are broke or not.

So the question is: can anyone tell me the values for the FX1 and FX2 potentiometers (reverb hall and reverb echo), I would be very very grateful.
When I measure them on-board the value I get from pin1 to pin3 is 2kOhm, but in the schematics there are no pots with those values.

Best regards, Metodij.

JonSnell Electronic · 03:54 PM

Should read 20k or 10k, depending on position, according to the schematics I have.
Read the value on the pot, it should have a mark on it.

You cannot read them successfully on the board. If they are scratchy, clean them with a switch lubricant like Servisol.

methsound · 8th January 2019, 03:54 PM

Took out the FX2 pot, it reads 20K, but those on board measure 2K, that is what was confusing me. There is something probably in parallel with the pot.
Can you somehow name the value of the FX1 pot from the schematic please? I would be very very grateful.

8th January 2019, 03:35 PM	#1
methsound diyAudio Member Join Date: Jan 2019	Potentiometers for Dynacord Powermate 1600-2 Hello everyone, I have Dynacord Powermate 1600-2 and I want to change two potentiometers. The problem is that after I removed them I am getting some strange values which are not very consistent with the online schematics, and I don't know if they are broke or not. So the question is: can anyone tell me the values for the FX1 and FX2 potentiometers (reverb hall and reverb echo), I would be very very grateful. When I measure them on-board the value I get from pin1 to pin3 is 2kOhm, but in the schematics there are no pots with those values. Best regards, Metodij.

8th January 2019, 03:50 PM	#2
JonSnell Electronic diyAudio Member Join Date: Dec 2012 Location: The Jurassic Coast, England. GB	Should read 20k or 10k, depending on position, according to the schematics I have. Read the value on the pot, it should have a mark on it. You cannot read them successfully on the board. If they are scratchy, clean them with a switch lubricant like Servisol. __________________ Support for Fender, Marshall and all Valve Equipment; Audio Innovations, Audiorama FU29, Quad and Leak. www.jonsnell.co.uk Last edited by JonSnell Electronic; 8th January 2019 at 03:54 PM. Reason: Extra information

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8th January 2019, 03:54 PM	#3
methsound diyAudio Member Join Date: Jan 2019	Took out the FX2 pot, it reads 20K, but those on board measure 2K, that is what was confusing me. There is something probably in parallel with the pot. Can you somehow name the value of the FX1 pot from the schematic please? I would be very very grateful.