Technical Specification For RB-MM1

Audio Specification

Maximum Input Level:
+28dBu

Input Impedance:
>20kΩ

Maximum Output Level:
+28dBu

Output Impedance:
<50Ω

Output Gain Range:
Adjustable -15dB to +12dB

ref 0dBu gain via a multi-turn pot

Common Mode Rejection:
>60dB

Band Pass Filter Range:
200Hz to 4kHz

12dB/octave

LF Null Adjustment:
Better than 40dB at 100Hz

Mix-Minus Null:
Better than 40dB at 1kHz

Frequency Response:
20Hz – 22kHz ± 0.1dB

Distortion:
0.01% THD @ 1kHz

ref +8dBu output (C-Message weighted)

Noise:
-90dBu unity gain +6dBu

Connections

Analogue Inputs From Mixer Output:
2 x XLR 3 pin female (balanced) (L & R)

Analogue Input From Telephone Fader:
1 x XLR 3 pin female (balanced) (L & R)

Analogue Output To TBU:
1 x XLR 3 pin male (balanced) (L & R)

Mains Input:
Filtered IEC

switchable 110-120V

or 220-240V

fused

6W max.

Fuse Rating:
Anti-surge fuse 100mA 20 x 5mm (230VAC)

Anti-surge fuse 250mA 20 x 5mm (115VAC)

Equipment Type

RB-MM1:
Mix-minus generator

Physical Specification

Dimensions (Raw):
28cm (W) x 10.8cm (D) x 4.3cm (H)

11” (W) x 4.3” (D) x 1.7” (H)

Dimensions (Boxed):
36cm (W) x 20.5cm (D) x 6cm (H)

14.2” (W) x 8” (D) x 2.4” (H)

Weight:
Nett: 1.1kg Gross: 1.5kg

Nett: 2.4lbs Gross: 3.3lbs