Handbook

Table Of Contents
30
Redbox User Handbook No 3
MIXER & SOURCE SELECTORS - RB-SSML1
4
MIXER & SOURCE SELECTORS
Technical Specications RB-SSML1
Audio Specications (Bypass Mode)
Maximum Input Level: -10dBu (mic), +28dBu (line), electronically balanced
Input Impedance: 20kΩ nominal balanced
Maximum Output Level: +28dBu
Output Impedance: <50Ω
Headphone Output Level: Drives 150mW into 32Ω to 600Ω headphones
Low Frequency Roll-O: 125Hz @ 6dB/octave
Gain Range (mic): Adjustable 36dB to 75dB gain (-80dB volume min.)
Volume Control (line): -80dB to +6dB gain (+16dB with additional input gain)
E.I.N: 130dB
Distortion: <0.02% THD @ 1kHz, ref +8dBu output
Common Mode Rejection: >66dB typically
Phantom Power: 48V
Frequency Response: 20Hz to 20kHz ±0.3dB (600Ω load, ref 1kHz)
Connections
Mic Input: 1 x XLR 3 pin female (Balanced)
Stereo Line Input: 2 x XLR 3 pin female (Balanced, can be unbalanced)
Stereo Monitor Input: 2 x XLR 3 pin female (Balanced, can be unbalanced)
Stereo Output: 2 x XLR 3 pin male (Balanced, can be unbalanced)
Headphone Outputs: 2 x ¼” (6.35mm) A/B gauge 3-pole stereo jack sockets
Mains Input: Filtered IEC, 110V-120V, or 220-240V switchable, fused,
9W maximum
Fuse Rating: Anti-surge fuse 100mA 20 x 5mm (230VAC)
Anti-surge fuse 250mA 20 x 5mm (115VAC)
Equipment Type
RB-SSML1: Mic/Line source selector with compressor limiter
Physical Specications
Dimensions (Raw): 48cm (W) x 10.8cm (D) x 4.2cm (H) (1U)
19” (W) x 4.3” (D) x 1.7” (H) (1U)
Dimensions (Boxed): 53cm (W) x 20.5cm (D) x 6cm (H)
21” (W) x 8” (D) x 2.4” (H)
Weight: Nett: 1.3kg Gross: 2.0kg
Nett: 2.9lbs Gross: 4.4lbs