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Power amplifiers stereo — Air Tight ATM-1S

Description, images, technical data and specifications

Air Tight ATM-1S
Image source — © Air Tight

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).

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Specifications

  • Model name

    ATM-1S

  • Input sensitivity (mV)

    1000

  • Input impedance (balanced) (Ω)

    100 000

  • Input impedance (single-ended) (Ω)

    100 000

  • Output impedance (balanced) (Ω)

    N/A

  • Output impedance (single-ended) (Ω)

    N/A

  • Max current (A)

    N/A

  • Output power (8Ω) (W)

    2 x 36

  • Output power (4Ω) (W)

    N/A

  • Gain (dBu)

    N/A

  • Frequency response low +/- 3dB (Hz)

    N/A

  • Frequency response high +/- 3dB (Hz)

    N/A

  • Signal to Noise Ratio (dB)

    N/A

  • Total Harmonic Distortion + Noise (0% global feedback) (%)

    N/A

  • Total Harmonic Distortion + Noise (100% global feedback) (%)

    N/A

  • Max power consumption (W)

    N/A

  • Damping factor

    N/A

  • Dimensions (mm)

    368 × 293 × 231

  • Weight (kg)

    22

  • Official link

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    New 2024 updated version of Air Tight ATM-1 (1986) and ATM-1s (2006) offers he EL-34 push-pull circut and 2 x 35 W power rating.

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