Air Tight ATM-1
Image source — © Air Tight
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Model name
Air Tight ATM-1
Input sensitivity (mV)
N/A
Input impedance (balanced) (Ω)
N/A
Input impedance (single-ended) (Ω)
N/A
Output impedance (balanced) (Ω)
N/A
Output impedance (single-ended) (Ω)
N/A
Max current (A)
N/A
Output power (8Ω) (W)
2 x 35
Output power (4Ω) (W)
2 x 35
Gain (dBu)
N/A
Frequency response low +/- 3dB (Hz)
20
Frequency response high +/- 3dB (Hz)
30000
Signal to Noise Ratio (dB)
N/A
Total Harmonic Distortion + Noise (0% global feedback) (%)
N/A
Total Harmonic Distortion + Noise (100% global feedback) (%)
5
Max power consumption (W)
N/A
Damping factor
6.7
Dimensions (mm)
365 x 305 x 225
Weight (kg)
21.5
Official link
Simple and elegant in appearance, the front panel is made of 8mm extruded aluminum, milled aluminum handles and a four-layer glossy body coating. The amplifier uses a new design using the legendary Mullard phase inversion lamps (such as the 6CA7 lamps).
A high-end two-stroke ATM-2 tube amplifier from the legendary Japanese company Air Tight, built on the basis of 6550/KT-88 lamps. The amplifier does not have printed circuit boards - all wiring is 100% manual and made using audiophile wires using high-quality silver solder.
The Air Tight ATM-300R runs on 300B lamps and has a copper-coated chassis, the power figures have not changed relative to the previous model - the device outputs 2 x 8 watts.