Rear Panel Connections And Operation; Technical Specifications Rb-Lu4; Fig 4-3: Rb-Lu4 Rear Panel - Sonifex Redbox Series User Handbook Manual
Single/dual/quad stereo unbalanced to balanced/balanced to unbalanced converters, single/dual bi-directional matching converter, dual stereo riaa phono amplifier, stereo line isolation unit
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Also See for Redbox Series:
- Introduction manual (62 pages) ,
- User handbook manual (136 pages) ,
- User handbook manual (68 pages)
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Rear Panel Connections and Operation
Stereo Balanced
Inputs
Fig 4-3: RB-LU4 Rear Panel
Inputs 1-4 (Left and Right)
are routed to an unbalanced RCA (phono) output with an output impedance
Pin 1: Screen
Pin 2: Phase
Pin 3: Non-phase
RCA Phono Outputs 1-4 (Left and Right)
These RCA (phono) outputs are unbalanced and have an output impedance
Output Level Adjustment
The output gain can be individually adjusted for left and right channels
through pre-set potentiometers which are accessible through the rear
panel. The gain of the balanced to unbalanced converter is variable within a
range of -28dBu to +15dBu ref. -15dBu into the balanced input.
Matching Converters - RB-LU4
RCA Phono Outputs
Output Level Adjustment
Technical Specifications RB-LU4
Audio Specifications
Maximum Input Level:
+28dBu
Maximum Output Level: +22dBu
Distortion:
0.01% THD @ 1kHz, ref +8dBu output
Noise:
-100dB, unity gain, ref +8dBu output
Common Mode Rejection: >66dB typically
Gain Range:
Unbalanced Output: -28dBu to +15dBu, ref
Connections
Outputs:
8 x RCA phono (Unbalanced)
Mains Input:
Filtered IEC, 110V-120V, or 220-240V
switchable, fused, 6W maximum
4
9
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