Atma-Sphere M-60 Mk. 3.3 OTL Monoblock Amplifiers

Back in pre-COVID-19 days when audio shows were a thing, Atma-Sphere usually showed their amps in a big room with large highly-efficient speakers. Entering the room, you always heard fun and interesting music at a good volume filling said large space. In between the large speakers would be glass. Lots of glass. A plethora of tubes glowing fiercely on amps featuring a classic industrial design while the speakers put out wonderfully clear music with a wide and deep soundstage. In the back of the room, you would find Ralph Karsten, founder of Atma-Sphere, long hair flowing in a 60s vibe. …