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Sonifex RB-HD1

Stereo Headphone Amplifier
$0.00
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A 1U rack-mount stereo headphone amplifier for driving up to two pairs of professional stereo headphones from a single stereo or mono input

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RB-HD1 (115Volt Version) $343.00
RB-HD1 $343.00
  • The RB-HD1 is a 1U rack-mount stereo headphone amplifier for driving up to two pairs of professional stereo headphones from a single stereo or mono input. One headphone socket is on the front panel with one on the rear.

    The main stereo input is from electronically balanced XLR-3 connectors on the rear panel, which can be wired un-balanced. The output volume for the headphones can be controlled either by a pot situated on the front panel or a VCA signal supplied externally via the remote connector. This option is controlled by the Local/Remotes Control on the rear panel.

    A mono input can be mixed into the main headphone feed, for example, for mixing in talkback to the headphones. This has an input level control via a recessed adjustable potentiometer. The mono mix input can also be controlled remotely.

    The stereo/mono switch is recessed on the rear panel to prevent accidental knocking.

    Please select the unit variant from the Product Options.

    Audio Specification
    Maximum Input Level +28dBu
    Input Impedance >20kohm balanced bridging (main), 10kohm unbal override
    Output Level Drives 150mW into 32-600ohm headphones
    Volume Control -60dB to +18dB gain
    Mono Mix Input Gain Range 22dBu
    Connections
    Main Stereo Inputs 2 x XLR 3 pin female (balanced, can be unbalanced)
    Mono Mix Input 1 x XLR 3 pin female (balanced, can be unbalanced)
    Outputs 2 x 0.25" (6.3mm) A/B gauge 3-pole stereo jack sockets
    Remote Control 9-pin D-type socket
    Mains Input Filtered IEC, switchable 110-120V, or 220-240V, fused, 9W max
    Physical Specification
    Weight Nett: 1.35kg Gross: 2.0kg
    Dimensions Raw: 48cm (W) x 10.8cm (D) x 4.2cm (H) (1U) Boxed: 53cm (W) x 20.5cm (D) x 6cm (H)
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