Manual

Table Of Contents
Chapter 9 - RB-HD6 6 Way Stereo Headphone Distribution Amplifier
9-6 Redbox User Handbook
9.5. Technical Specifications
9.5.1. Audio Specifications
Input Impedance: >20k balanced bridging (main),
>10k unbalanced override
Maximum Input Level: +28dBu
Output Level: Drives 150 mW into 32 to 600 headphones
Override Inputs: +3dBu for full volume at +18dB gain
Individual Volume Control:-60dB to +18dB gain
Master Volume Control: ±10dB gain
9.5.2. Connections
Main Stereo Inputs: 2 x XLR 3 pin female (Balanced, can be wired unbalanced)
Insert Inputs & 6 x ¼” (6.3mm) A-gauge 3-pole stereo jack sockets
Parallel Outputs: (unbalanced, jumper configured)
Outputs: 6 x ¼” (6.3mm) A-gauge 3-pole stereo jack sockets
Mains Input: Filtered IEC, 110V-120V, or 220-240V switchable, fused, 9W
maximum
9.5.3. Equipment Type
RB-HD6: 6 way stereo headphone distribution amplifier
9.5.4. 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: 1.35kg Gross: 2.0kg