Uncommon COLUMBIA type T1 Tube Amp (1-6V6GT, 80, 6SF5) Pwrs UP! Clean!Hi FiAudio
The amp is clean and in good condition and is likely a 10-Watt rated amp with tube line-up as follows: 80, 6SF5 and 6V6GT. It powers up properly when variac-tested, the tubes are good-each lights up, as does the pilot lamp.