DEMO AirTigh ATM-211

Our demo ATM-211 mono poweramplifiers

In mint condition except 1 small paint scratch on one transformercover ( see picture )

Wondefull sounding single-ended monoblock amplifiers with enough power to drive most speakers.
22W/8 Ohm from 211 valve with direct-coupled cathode-follower stage.
Independently coiled transformer for amp-stage, bias, heater & relay circuits.
DC-driven heater filament to eliminate hum of output valve

Signal tubes NOS
New output tubes, either Shuguang 211 or Psvane 211

Specs
Valves employed: 211 × 1, 12AX7 × 1, 12BH7A × 1
Rated output: 22W (8 ohms)
Frequency response: 20 — 20kHz (1dB, 22W)
Input impedance: 100kohms
Dimensions: 390(W) × 360(D) × 260(H)mm
Weight: 26kgs