Air Tight ATM-2 Amplifiers

I bought the ATM-2 amp and the ATC-2 preamp for a second system (main system is ARC Ref 40 preamp and ARC Ref 2se phono preamp into a Constellation Centaur stereo amp driving Magico speakers). When I listened to these in my main system to see how they...

This is an extremely well designed and well built amplifier. The tube compliment is VERY important, however. It simply sounds like what you put in it! I have found NOS RCA tubes and the Telsa KT88S (see http://www.rpm.fi/rpm/010-tesla-audio.htm) to...

Very well built, excellent components (Tamura, Black Gate, NOS tubes), Point to point wiring.