
I'm alternating between this and a 3 watt unbalanced tube amp. I used Fosi Audio 50 watts per channel but I needed good old class A/B in my home office/studio. I'm running it from a 13.5v power supply that I use for ham radio (MFJ 4125p) but I have a transformer on the way. I have enough strength for myself. In my office it reaches over 90 dB. I use it in Klipsch R41-M bookshelf speakers. Update: Now runs on Atari 9V (linear) power supply from the 80's. Still sounds amazing, still nice and loud.

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