Thought this might be of interest to some here...

https://m.ebay.com/itm/McIntosh-Mc2100-Vintage-Power-Amp-Good-Working-Condition-Stereo-Mono-Guitar-Bass/162875169574?hash=item25ec1ddb26:g:tugAAOSwmRFabkIM

Well, looking further at eBay it looks like McIntosh amps are pretty common on eBay.

And here's the Sansui version of the Mac amps. Apparently very good sounding:

https://www.ebay.com/itm/RARE-BEAUTIFUL-SANSUI-BA-5000-HIGH-POWER-300-WATTS-PER-CHANNEL-STEREO-POWER-AMP/253408164894?hash=item3b004dbc1e:g:duMAAOSw-0xYRQQg