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α-1 [: Alpha one]

Originally designed for high-precision reference applications in the recording studios and mastering labs, the DEFINITY AUDIO® α-1 is a high-fidelity integrated power amplifier which incorporates GECKO®'s revolutionary C.R.I.S.T.A.L.® Audiophile PreAmps and Class-H technology for precision audio reproductions.

Whether you are using it in the professional recording studio, mastering lab, or in your hi-fi setup, playing a familiar audio source through the DEFINITY AUDIO® α-1 C.R.I.S.T.A.L.® Audiophile stereo power amplifier in your system setup allows you to hear the track in superb clarity and details you have missed out all these while!

DEFINITY AUDIO® is a subsidiary of GECKO®.



  • USB/SD Card: MP3, APE, WMA, WAV (16-Bit, 44.1kHz), FLAC (16-Bit, Level 5)

  • Wireless Audio: C.R.I.S.T.A.L.® Audiophile Enhanced Bluetooth (aptX™ Compatible)

  • Remote Control: IR

  • Amplifiers: GECKO® 4-Tier C.R.I.S.T.A.L.® Audiophile Class-H

  • Pre-Amplifiers: GECKO® C.R.I.S.T.A.L.® Audiophile PreAmps

  • Frequency Response: 18Hz ~ 25kHz, +/- 0.5dB

  • Rated Outputs: 2 x 160W RMS @ 8Ω, 2 x 250W RMS @ 4Ω

System Performance

  • Input Sensitivity (8Ω): 1V

  • Damping Factor (8Ω, 20Hz ~ 1kHz): 400

  • Slew Rate: 30V/μs

  • THD + N: <0.05% (1kHz)

  • Signal-to-Noise: >100dB

  • Crosstalk: >70dB @ 1kHz

Audio Connectors

  • Aux (In): RCA (L, R)

  • Input Impedance: 47kΩ

  • Output: RCA (L, R)

  • Loudspeaker Connections: 24K Gold-Plated Binding Posts

  • Binding Post Output Impedance: 4Ω – 8Ω

Power Supply

  • AC Power: 115V (90 - 120V, 50/60Hz); 230V (210 - 250V, 50/60Hz) Selectable Voltages

Physical Properties

  • Enclosure: Steel Chassis

  • Faceplate: One-Piece Brushed Aluminum Front Pane

  • Color: Black

  • Net Weight: 9.3kg

  • Dimension: (H) 88mm x (W) 430mm x (D) 360mm

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