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AIR TIGHT | ATM-211 — SET MONAURAL POWER AMPLIFIER

 

SET MONAURAL POWER AMPLIFIER

 

Air Tight ATM-211 | Air Tight Dealer NYC
 

FEATURES

  • Unprecedented high power 22W derived from broadcast-oriented 211 valve with direct-coupled cathode-follower stage
  • All-stage triode-driven non-NF Class-A operation to achieve pure,unimpaired sound
  • Independently coiled transformer for amp-stage, bias, heater & relay circuits to remove mutual interferences
  • DC-driven heater filament to eliminate hum of output valve
  • Relay-activated muting circuit for long life of electrolytic capacitor
  • Bias meter to check operation status of output valve

 

SPECIFICATIONS

Valves EmployedRated OutputFrequency ResponseInput ImpedanceDimensionsWeight
211 × 1 | 12AX7 × 1 | 12BH7A × 1
22W (8 ohms)
20 — 20kHz (1dB | 22W)
100kohms
390(W) × 360(D) × 260(H) mm
26kgs