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 5 - RB-BL2 Single & RB-BL4 Dual Bi-Directional Matching Converter
Redbox User Handbook 5-5
5.4. Technical Specifications
5.4.1. Audio Specifications
Maximum Input Level: +28dBu
Maximum Output Level: +28dBu
Input Impedance (RCA): >10kΩ unbalanced
Input Impedance (XLR): >20kΩ balanced bridging
Output Impedance (RCA): <50Ω
Output Impedance (XLR): <50Ω
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 (600Ω load, ref 1kHz)
Gain Range: Unbalanced Output : -28dBu to +15dBu, ref -15dBu into
balanced XLR input
Gain Range: Balanced Output : -15dBu to +15dBu, ref -15dBu into
unbalanced RCA input
5.4.2. Connections
Inputs: 2 (4 on RB-BL4) x XLR 3 pin female (balanced),
2 (4 on RB-BL4) x RCA phono (unbalanced)
Outputs: 2 (4 on RB-BL4) x XLR 3 pin male (balanced),
2 (4 on RB-BL4) x RCA phono (unbalanced)
Mains Input: Filtered IEC, 110V-120V, or 220-240V switchable, fused,
6W maximum
5.4.3. Equipment Type
RB-BL2: Single Stereo Bi-Directional Matching Converter
RB-BL4: Dual Stereo Bi-Directional Matching Converter
5.4.4. Physical Specification
RB-BL2:
Dimensions (Raw): 28cm (W) x 10.8cm (D) x 4.2cm (H) (1U)
Dimensions (Boxed): 36cm (W) x 20.5cm (D) x 6cm (H)
Weight: Nett: 1.0kg Gross: 1.4kg
RB-BL4:
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: 1.3kg Gross: 1.9kg