a friend has one or two of them or a mono version (- guy did not fully explain and I've seen the amp nor pictures other than someone else's blog for S120) - one channel (or amp?) needs repair and the company that built them does not supply schematics. They had a extra output terminal for use with a motional feedback subwoofer.
When the amp owner talked to a service person there was some mention of Sanken outputs which aren't made anymore but some output were made in California.
A sketch or service schematic would be greatly appreciated
sorry not to have better details.
Here's a blog on the amp
https://www-cfc1962-it.translate.go..._sl=it&_x_tr_tl=en&_x_tr_hl=en&_x_tr_pto=wapp
When the amp owner talked to a service person there was some mention of Sanken outputs which aren't made anymore but some output were made in California.
A sketch or service schematic would be greatly appreciated
sorry not to have better details.
Here's a blog on the amp
https://www-cfc1962-it.translate.go..._sl=it&_x_tr_tl=en&_x_tr_hl=en&_x_tr_pto=wapp
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