McIntosh MC60 Power Amplifier
I found a schematic of a McIntosh MC60, Type A-121 Power Amplifier date 4-20-1956 at the Internet.
https://www.thetubestore.com/lib/thetubestore/schematics/McIntosh/McIntosh-MC60-Schematic-and-voltages-chart.pdf
https://www.thetubestore.com/lib/thetubestore/schematics/McIntosh/McIntosh-MC60-Service-Manual-parts-list-Schematic.pdf
Parts I used:
Mains: Neutrik PowerCon
PSU Trafo: Amplimo 7N607
Audio Output LS Connector:
Audio Output Trafo: VDV-1070-UC-PPS
Audio Line Level: Neutrik XLR3, input Male, pin 1 common, pin 2+3 audio signal
Electrolytic Capacitors:
Capcitors: CDE Film Capcitors, Cornell Dubliner (ORANGE DROP)
Resistors: Metal Film 1%