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Power amplifiers stereo — Bryston 4B Cubed

Description, images, technical data and specifications

Bryston 4B Cubed
Image source — © Bryston

This product has been continuously produced (although often improved) since 1978. This esteemed amplifier is currently in its sixth generation, and it has never been better. Now with 300 watts per channel at 8 ohms (and over 500 watts at 4 ohms), this true dual mono amplifier is powerful enough for almost any speaker, but its price remains affordable. The degree of clarity, power, nuance, and outright truthfulness of this amplifier is staggering. If you've always wanted one, maybe now is the right time.

Specifications

  • Model name

    4B Cubed

  • Input sensitivity (mV)

    N/A

  • Input impedance (balanced) (Ω)

    30 000

  • Input impedance (single-ended) (Ω)

    7500

  • Output impedance (balanced) (Ω)

    N/A

  • Output impedance (single-ended) (Ω)

    N/A

  • Max current (A)

    N/A

  • Output power (8Ω) (W)

    300

  • Output power (4Ω) (W)

    500

  • Gain (dBu)

    N/A

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

    1

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

    100 000

  • Signal to Noise Ratio (dB)

    117 (XLR), 112 (RCA)

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

    N/A

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

    <0.005

  • Max power consumption (W)

    N/A

  • Damping factor

    N/A

  • Dimensions (mm)

    430 х 160 х 411

  • Weight (kg)

    27

  • Official link

    https://bryston.com/amplifiers/4b3/

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