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Kramer VM-312 1:2 Multi-Format Video & Stereo Audio Distribution Amplifier

The VM-312 is a distribution amplifier for multi-format video: composite, s-Video (Y/C), and component (HDTV) signals, each with unbalanced stereo audio.

Your Price: $260.00


Kramer Electronics

Part No:




Key Features:

High Bandwidth - Composite: 490MHz (-3db), s-Video (Y): 420MHz (-3db) & Component: 450MHz (-3db)

HDTV Compatible - Component Input

Desktop Size - Compact size. Two units can be rack mounted side-by-side in a 1U rack space with an optional adapter


1 composite video on an RCA connector 1Vpp/75Ω; 1 component video (Y, B-Y, and R-Y) on RCA connectors 1Vpp/0.7Vpp/75Ω; 1 s-Video on a 4p connector 1Vpp/0.3Vpp/75Ω; 1 stereo unbalanced on a 3.5mm mini jack connector 4dBm/50kΩ


2 composite video on RCA connectors 1Vpp/75Ω; 2 component video (Y, B-Y, and R-Y) on RCA connectors 1Vpp/0.7Vpp/75Ω; 2 s-Video on 4p connectors 1Vpp/0.3Vpp/75Ω; 2 stereo unbalanced on 3.5mm mini jack connectors 4dBm/150Ω

Max. Output Level

VIDEO: 1.8Vpp; AUDIO: 21Vpp

Bandwidth (-3dB)

CV: 490MHz; YUV: 450MHz; Y/C: 420MHz; AUDIO: >100kHZ

Diff. Gain


Diff. Phase

0.03 Deg.



S/N Ratio

VIDEO: 75dB; AUDIO: 82dB

Crosstalk (All Hostile)

VIDEO: -52dB @ 5MHz, YUV into CV; AUDIO: -45dB video into audio @ 15kHz


VIDEO: DC; AUDIO: Input: AC; output: DC

Audio THD + Noise

0.047% @ 1kHz

Audio 2nd Harmonic

0.001% @ 1kHz

Power Source

12V DC, 130mA DC


21.5cm x 16.25cm x 4.36cm (8.45" x 6.39" x 1.72"), W, D, H.

Maximum load protection

1.2 kg. (2.65 lbs.) approx.


Power cord