Manual
Table Of Contents
- Analogue Redbox User Handbook rev 1.92
- Contents
- Figures
- Warranty, Safety & Installation Information
- RB-MA1 Single & RB-MA2 Dual Microphone Amplifiers
- RB-SM1 Single & RB-SM2 Dual Stereo To Mono Converter
- RB-UL1 Single, RB-UL2 Dual & RB-UL4 Quad Stereo Unbalanced
- RB-LU4 Quad Stereo Balanced To Unbalanced Converter
- RB-BL2 Single & RB-BL4 Dual Bi-Directional Matching Converte
- RB-SL2 Twin Mono, or Stereo, Limiter
- RB-DA6 6 Way Stereo Distribution Amplifier
- RB-HD1 Stereo Headphone Amplifier
- RB-HD6 6 Way Stereo Headphone Distribution Amplifier
- RB-SD1 Silence Detection Unit
- RB-PMX4 10 Input, 4 Output Analogue Preset Mixer
- RB-LI2 Stereo Line Isolation Unit
- RB-PLI6 6 Way Mono Passive Line Isolation Unit
- RB-SS10 10 Way Stereo Analogue Source Selector/Mixer
- RB-LC3 3 Way Light/Power Controller
- Glossary
- Connectors And Cabling
- Index
Chapter 10 - RB-SD1 Silence Detection Unit
Redbox User Handbook 10-9
10.5. Technical Specifications
10.5.1. Audio Specifications
Maximum Input Level: +28dBu
Input Impedance: > 100kΩ balanced
Maximum Output Level: +28dBu
Output Impedance: As input, except when using unbalanced auxiliary input
where output impedance < 50Ω
Frequency Response: 20Hz to 20kHz ±0.1dB
Gain: +12dB (for unbalanced input B – optional)
Noise: <-87dB, unity gain, ref +8dBu output for unbalanced
input.
Distortion: As input for balanced input, <0.05% ref +8dBu output for
unbalanced input.
10.5.2. Connections and Rear Panel Controls
Inputs (Main & Auxiliary): 4 x XLR 3 pin female (balanced, auxiliary can be
unbalanced)
Output: 2 x XLR 3 pin male (balanced)
Remotes: 15 way D-type plug
Power: Filtered IEC, 110-120V, or 220-240V switchable, fused, 6W
maximum
Alarm Threshold: -15dBu to -60dBu in 3dB steps via rotary switch
Silence Detect Duration: 2 sec to 30 sec in 2 second intervals and 125 second
option via rotary switch
Detection Type: Mono or stereo, via dipswitch
Silence Switch Defeat: Disable/enable silence switching, via dipswitch
Remote Start Mode: Latched or momentary, via dipswitch
10.5.3. Front Panel Controls and Indicators
Controls: Source select, mode select and restore
Indicators: Program and alarm indicators for left and right source for
both main and auxiliary channels
Source, mode and restore LEDs
10.5.4. Equipment Type
RB-SD1: Silence detection unit
10.5.5. Physical Specifications
Dimensions (Raw): 48cm (W) x 10.8cm (D) x 4.2cm (H) (1U)
Dimensions (Boxed): 53cm (W) x 20.5cm (D) x 6cm (H)
Weight: Nett: 1.4kg Gross: 2.0kg