The RB-SM1 consists of a converter which will produce a fully buffered and balanced mono line output from a single
stereo input.
All connections are on the rear panel. The XLR-3 input is electronically balanced with an impedance of 20kohm bridging.
It can be wired unbalanced to accept an output from domestic equipment.
The XLR-3 line output is electronically balanced with an output impedance of <50 ohm. The output can be wired
unbalanced by grounding the non-phase signal, allowing you to feed balanced and unbalanced equipment.
Output gain adjustment using pre-set potentiometers allows a normalised mono output from domestic stereo equipment. The
potentiometers are accessible through the rear panel.
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Audio Specification
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+28dBu
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+28dBu
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20Hz to 20kHz +/- 0.1dB (600 ohm load, ref 1kHz)
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Adjustable -8dB to +18dB gain, ref. 0dBu in on L and R
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>66dB typically
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THD @ 1kHz +8dBu 0.01%
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-100dB unity gain ref +8dBu
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>20kohm balanced bridging
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<50ohm
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Connections
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2 x XLR 3 pin female (balanced, can be unbalanced)
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1 x XLR 3 pin male (balanced, can be unbalanced)
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Filtered IEC, switchable 110-120V, or 220-240V, fused, 6W max
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Physical Specification
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Nett: 1.0kg Gross: 1.45kg
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Raw: 28cm (W) x 10.8cm (D) x 4.2cm (H) (1U) Boxed: 36cm (W) x 20.5cm (D) x 6cm (H)
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Sonifex RB-SM1 Single Stereo to Mono Converter datasheet