Manual
Chapter 7 - RB-DHD6 Digital 6 Way Stereo Headphone Distribution Amplifier
7-4 Redbox User Handbook
7.4.2.1. Status Select Switches
If de-emphasis is on (switch 1) the RB-DHD6 will decode 50/15µs emphasis when
indicated by certain channel status bits in the incoming digital audio data. When off,
no de-emphasis is applied.
7.4.2.2. Digital Select Button
This button is used to switch the digital input between the AES/EBU XLR connector
(button out) and the S/PDIF phono connector (button in).
7.5. Technical Specifications
7.5.1. Connections
Digital Inputs: 1 x AES/EBU XLR 3 pin female
1 x S/PDIF RCA phono
Headphone Outputs: 6 x ¼” (6.35mm) A/B gauge 3-pole stereo jack sockets
Mains Input: Filtered IEC, 110-120V, or 220-240V, fused 10W max
7.5.2. Audio Specification
Input Impedance: 110Ω ± 20% / 75Ω ±5% – (AES/EBU) / (S/PDIF)
Sample Freq. Range: 30kHz – 100kHz
Dynamic Range: >100dB
Headphones: Drives 150 mW into 32Ω to 600Ω headphones
Max Output Level: +12dBu
7.5.3. Operational Controls
Digital Input Select: AES/EBU or S/PDIF, via push-switch
De-emphasis: DIPswitch
7.5.4. Equipment Type
RB-DHD6 Digital 6 Way Stereo Headphone Distribution Amplifier
7.5.5. 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: 1.6kg Gross: 2.2kg