Sonifex RB-HD1 Headphone Amplifier

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Product Code: 3469
Sonifex RB-HD1
$415.00
Availability: Usually Ships in 24 Hours

Sonifex RB-HD1 Headphone Amplifier

The Sonifex RB-HD1 Headphone Amplifier is a 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 uses 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.

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. A stereo/mono switch is recessed on the rear panel to prevent accidental knocking. With mono selected, audio is sent to both left and right ear pieces. A LED power indicator on the front panel displays the power supply connection.

Sonifex RB-HD1 Headphone Amplifier Specifications

  • Input impedance: >20kΩ balanced bridging (main)
  • Output Level: Drives 150mW into 32Ω to 600Ω headphones
  • Mono Mix Input Gain Range: 22dBu
  • Max Input Level: +28dBu
  • Volume Control: -80dB to +11dB gain
  • 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 ¼” (6.35mm) A-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
  • Fuse Rating:
    • Anti-surge fuse 100mA 20 x 5mm (230VAC)
    • Anti-surge fuse 250mA 20 x 5mm (115VAC)

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5
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this is nice product

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