Air Tight ATM-2001 Mono Amplifier features:

  • Comfortable high-power, thanks to the output stage composed of 12 6550 beam tubes
  • Massive power supply employing huge EI power transformer and large capacity filter condenser
  • Optimum operation of each output tube ensured by individually direct coupled cathode-follower circuit
  • Dual mono design affords affluent high power without extra load on each component
  • PCB free point-to-point hand wiring
  • The massive front panel is hand-finished aluminum