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
10
Redbox User Handbook No 2
System Block Diagram
Fig 3-3: RB-BL2/BL4 Block Diagram Single Stereo Channel.
(Note RB-BL4 contains 2 of these circuits)
Rear Panel Connections and Operation
MATCHING CONVERTERS - RB-BL2 & RB-BL4
Unbalanced Output
Level
Adjustment
Balanced Output
Level
Adjustment
Stereo
Balanced
Inputs
RCA
Phono
Outputs
RCA
Phono
Inputs
Stereo
Balanced
Outputs
Fig 3-4: RB-BL2 Rear Panel.
MATCHING CONVERTERS
3
Left Input 1
Professional/
Balanced
Left Output 1
Consumer/Unbalanced
Phono
Gain
Right Input 1
Professional/
Balanced
Left Input 2
Consumer/
Unbalanced
Right Input 2
Consumer/
Unbalanced
Right Output 1
Consumer/Unbalanced
Left Output 2
Professional/Balanced
Right Output 2
Professional/Balanced
Phono
Gain
Phono
Gain
Phono
Gain