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RB-BL4 (Used)


RB-BL4 (Used) Dual Stereo Bi-Directional Mat

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RB-BL4 (Used)

Dual Stereo Bi-Directional Matching Converter

1U 19" Rack Mount

Audio Specification
Maximum Input Level: +28dBu
Maximum Output Level: +28dBu
Input Impedance (RCA): >10kO unbalanced
Input Impedance (XLR): >20kO balanced bridging
Output Impedance (RCA): <50O
Output Impedance (XLR): <50O
Distortion: 0.01% THD @ 1kHz, ref +8dBu output
Noise: -100dB, unity gain, ref +8dBu output

Common Mode Rejection: >66dB typically
Frequency Response: 20Hz to 20kHz ±0.1dB (600O load, ref 1kHz)

Gain Range: Unbalanced Output : -28dBu to 0dBu, ref 0dBu into balanced XLR input
Balanced Output : -15dBu to +15dBu, ref -15dBu into unbalanced RCA input

Inputs: 4 x RCA phono (Unbal), 4 x XLR 3 pin female (Bal)
Outputs: 4 x XLR 3 pin male (Bal), 4 x RCA phono (Unbal)
Mains Input: Filtered IEC, switchable 110-120V, or 220-240V, fused, 6W max

Fuse Rating: Anti-surge fuse 100mA 20 x 5mm (230VAC)
Anti-surge fuse 250mA 20 x 5mm (115VAC

Dimensions(: 480x108x42mm (WxDxH)
Weight: 1.3kg
The following applies to a new product and may differ to the used item you are viewing, especially regarding included accessories (see above for used details which may differ). Please contact us at for more information.
Dual Stereo Bi-Directional Matching Converter (1U)