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Power amplifiers stereo — Arcam PA720

Description, images, technical data and specifications

Arcam PA720
Image source — © Arcam

The Arcam PA720 is a seven—channel power amplifier from the proprietary HDA series. It works in class G, outputs 7 x 140 watts, 5 x 175 watts or 2 x 225 watts, while the first 20 watts of the device works in pure class A.

Specifications

  • Model name

    PA720

  • Input sensitivity (mV)

    800 RCA + 1.6 XLR

  • 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 140, 4 x 110, 7 x 100

  • Output power (4Ω) (W)

    2 x 225, 4 x 175, 7 x 140

  • Gain (dBu)

    N/A

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

    20

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

    20 000

  • Signal to Noise Ratio (dB)

    105

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

    N/A

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

    0.002

  • Max power consumption (W)

    1500

  • Damping factor

    N/A

  • Dimensions (mm)

    433 x 425 x 177

  • Weight (kg)

    18

  • Official link

More components

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    The model is equipped with a balanced XLR input and an unbalanced RCA input, which is duplicated by a similar RCA output. On the back panel there is a slider selector switch that allows you to select the desired pair of connectors (RCA or XLR), as well as switches for selecting one of the gain values (25 dB or 31 dB) and for activating one of the operating modes: stereo, bridge mode or "dual mono".

  • PA410

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    The amplifier develops a power of 4 x 50 Watts at 8 ohms in the AB class and is designed mainly for voicing the upper channels when operating in 7.1.4 Dolby Atmos and DTS systems.:X or Auro-3D, although it can be successfully integrated into a multi-room audio system.

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