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1:5 Balanced & Unbalanced Stereo Audio Distribution Amplifier


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The VM-50AN is a high-performance distribution amplifier for balanced and unbalanced stereo audio signals. It takes one balanced or unbalanced stereo input and distributes the signal simultaneously to ten stereo outputs (five balanced and five unbalanced).

Features & Benefits

  • Balanced/Unbalanced Input Selection.
  • S/N Ratio - 84dB (unweighted).
  • Level (Gain) Controls.
  • Desktop Size - Compact size. 2 units can be rack mounted side-by-side in a 1U rack space with the optional RK-1 adapter.

Product Use Diagram

Product Specifications

Inputs1 balanced stereo audio, +4dBu/50kΩ on a detachable terminal block connector; 1 unbalanced stereo audio, 1Vpp/50kΩ on a 3.5mm mini jack
Output5 balanced stereo audio, +4dBu/50Ω on detachable terminal block connectors; 5 unbalanced stereo audio, 1Vpp/470Ω on 3.5mm mini jacks
Max Output Level>24dBm
Bandwidth40kHz fully loaded
S/N Ratio84dB unweighted
ControlLevel (for right and left): 0.4 to 9.5dB
CouplingAC(input), DC(output)
Audio THD + Noise0.002% @1kHz; Balanced output
Audio 2nd Harmonic0.022% @1kHz; Balanced output
Power Consumption12V DC; 200mA
Storage Temperature-40° to +70°C (-40° to 158°F)
Product Dimensions W, D, H6.5" x 4.7" x 1.7" (16.5cm x 12cm x 4.5cm)
Product Weight1.3 lbs (0.6kg)