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Power amplifiers stereo — Parasound HALO A31

Description, images, technical data and specifications

Parasound HALO A31
Image source — © Parasound

The Parasound A31 is a 3-channel Class A/AB power amplifier with channel-by-channel input sensitivity control, internationally certified THX Ultra 2 and designed for high-quality audio signal amplification with low distortion over a wide frequency range when operating as part of a home theater.

Specifications

  • Model name

    HALO A31

  • Input sensitivity (mV)

    1000

  • Input impedance (balanced) (Ω)

    94 000

  • Input impedance (single-ended) (Ω)

    47 000

  • Output impedance (balanced) (Ω)

    N/A

  • Output impedance (single-ended) (Ω)

    N/A

  • Max current (A)

    N/A

  • Output power (8Ω) (W)

    250

  • Output power (4Ω) (W)

    400

  • Gain (dBu)

    N/A

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

    5

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

    100 000

  • Signal to Noise Ratio (dB)

    112

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

    N/A

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

    < 0.2

  • Max power consumption (W)

    N/A

  • Damping factor

    >1100

  • Dimensions (mm)

    445 х 178 х 485

  • Weight (kg)

    29.5

  • Official link

    https://parasound.com/products/halo-a31

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