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
15
MATCHING CONVERTERS - RB-PA2
Technical Specications
Audio Specications
Maximum Input Level: +28dBu
Input Impedance: >47kΩ
Input Sensitivity Range: 1mV to 25mV (ref 1kHz)
Maximum Output Level: +28dBu
Output Impedance: <50Ω
Output Gain Range: Adjustable 38dB to 58dB gain via 4 multi-turn pots
Crosstalk: Better than -80dBu at 1kHz
Frequency Response: 10Hz-150kHz (-3dB)
RIAA Accuracy: Within 0.5dB of RIAA curve
Distortion: 0.01% THD @ 1kHz, ref +8dBu output
Noise: -77dB (CCIR Q-Pk, 20Hz-20kHz)
Headroom: 27dB for 3mV input
Dynamic Range: 90dB
Connections
Inputs: 4 x RCA phono (unbalanced)
Outputs: 4 x XLR 3 pin male (balanced)
Earth Tag: Grounding turret tag
Mains Input: Filtered IEC, 110V-120V, or 220-240V switchable,
fused 6W maximum
Fuse Rating: Anti-surge fuse 100mA 20 x 5mm (230VAC)
Anti-surge fuse 250mA 20 x 5mm (115VAC)
Equipment Type
RB-PA2: Dual stereo phono amplier and RIAA gram amplier
Physical Specications
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 RB-PA2 Nett: 1.1kg Gross: 1.5kg
MATCHING CONVERTERS
4