Manual
Table Of Contents
- Contents
- Figures
- Warranty
- Safety Information
- 1 RB-UL1 Single, RB-UL2 Dual & RB-UL4 Quad Stereo Unbalanced To Balanced Converters
- 2 RB-LU4 Quad Stereo Balanced To Unbalanced Converter
- 3 RB-BL2 Single & RB-BL4 Dual Bi-Directional Matching Converter
- 4 RB-PA2 Dual Stereo RIAA Phono Amplifier
- 5 RB-LI2 Stereo Line Isolation Unit
- 6 RB-PLI6 6 Way Mono Passive Line Isolation Unit
- 7 RB-DA6 & RB-DA6G 6 Way Stereo Distribution Amplifier
- 8 RB-DA4x5 4 Input 4 x 5 Output Distribution Amplifier/Mixer
- 9 RB-DDA6A 6 Way Stereo AES/EBU Digital Distribution Amplifier and RB-DDA6S 6 Way Stereo S/PDIF Dig
- 10 RB-DDA6W 6 Way Word Clock Distribution Amplifier
- 11 RB-HD1 Stereo Headphone Amplifier & RB-HD2 Dual Headphone Amplifier
- 12 RB-HD6 6 Way Headphone Distribution Amplifier
- 13 RB-DHD6 Digital 6 Way Headphone Distribution Amplifier
- 14 Connectors & Cabling
- Glossary
Redbox User Handbook No 2
25
Stereo/Mono Operation
The mode of operation may be switched between a stereo distributed channel to 6 stereo
channels, and a mono channel to 12 mono channels, by the push button on the front panel,
which is recessed to prevent accidental switching.
Technical Specications
Audio Specications
Input Impedance >20kΩ bridging
Output Impedance <50Ω
Maximum Input Level +28dBu
Maximum Output Level +28dBu
Frequency Response 20Hz to 20kHz ± 0.1dB (600Ω load, ref 1kHz)
Gain Range Adjustable 8dB loss to 18dB gain
Common Mode Rejection >66dB typically
Distortion 0.01% THD @ 1kHz, ref +8dBu output
Noise -100dB unity gain ref +8dB (RB-DA6)
-88dB unity gain ref +8dB (RB-DA6G)
Connections
Inputs 2 x XLR 3 pin female (Balanced, can be unbalanced)
Outputs 12 x XLR 3 pin male (Balanced, can be unbalanced)
Mains Input Filtered IEC, 110V-120V, or 220-240V, fused, 6W maximum
Fuse Rating: Anti-surge fuse 100mA 20 x 5mm (230VAC)
Anti-surge fuse 250mA 20 x 5mm (115VAC)
Equipment Type
RB-DA6: 6 way stereo distribution amplier
RB-DA6G: 6 way stereo distribution amplier with output gain
Physical Specications
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
AUDIO DISTRIBUTION AMPLIFIERS - RB-DA6 & RB-DA6G
AUDIO DISTRIBUTION
AMPLIFIERS
7
Output Gain Controls
Stereo/
Mono
Switch
Fig 7-7: RB-DA6G Front Panel.