1:3 Composite Video & Stereo Audio Distribution Amplifier


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The VM-30AV is a compact distribution amplifier for composite video and unbalanced stereo audio signals. It provides controls to compensate for signal losses inherent in long cable runs.

Features & Benefits

  • Video on RCA Connectors.
  • Audio Level Control.
  • Level (Gain) and EQ (Peaking) Controls.
  • Desktop Size - Compact size. Two 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 video, 1 Vpp/75Ω on an RCA connector; 1 audio stereo, 1Vpp/70kΩ RCA connectors
Outputs3 video, 1 Vpp/75Ω on RCA connectors; 3 audio stereo, 1Vpp/150Ω RCA connectors
Max Output LevelVideo: 2Vpp; Audio: 5.4Vpp
BandwidthVideo: 430MHz; Audio: 100kHz
Diff. Gain0.04%
Diff. Phase0.07Deg
S/N RatioVideo: 73dB; Audio: 83dB
ControlsVideo level: -1.1 to +1.8dB, EQ.: 0 to +4.6dB @5.8MHz; Audio level: -66 to +16dB
Audio THD + N0.3%
Audio 2nd Harmonic0.02%
Power Consumption12V DC 30mA typical
Operating Temperature0° to 40°C (32° to 104°F)
Storage Temperature-40° to +70°C (-40° to 158°F)
Product Dimensions W, D, H6.5" x 4.7" x 2.8" (16.5cm x 12cm x 4.5cm)
Product Weight1.4 lbs (0.65kg)