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Old 29th Aug 2019, 11:49 pm   #5
Join Date: Aug 2014
Location: Featherstone, West Yorkshire, UK.
Posts: 240
Default Re: Grey insulating cardboard

The thin grey cardboard is called FISH PAPER.

It is used on a lot of stereo high power amplifiers, where the two amplifier channel boards have to be insulated from the metal cabinet.

If you have a local Pro Audio power amp repair company, they may well have some.

I had 20 sheets in stock in my department, before I was made redundant. I doubt it is still there, the new management who took over sent many thousands of pounds worth of parts to the tip.

kevinaston1 is offline