Sonifex RB-BL4 - Dual Stereo Bi-Directional Matching Converter

Technical Specification For RB-BL4

Audio Specification

Maximum Input Level:

+28dBu

Maximum Output Level:

+28dBu

Input Impedance (RCA):

>10kΩ unbalanced

Input Impedance (XLR):

>20kΩ balanced bridging

Output Impedance (RCA):

<50Ω

Output Impedance (XLR):

<50Ω

Distortion:

0.01% THD @ 1kHz, ref +8dBu output

Noise:

-100dB, unity gain, ref +8dBu output

Common Mode Rejection:

>66dB typically

Frequency Response:

20Hz to 20kHz ±0.1dB (600Ω load, ref 1kHz)

Gain Range:

Unbalanced Output : -28dBu to 0dBu, ref 0dBu into balanced XLR input
Balanced Output : -15dBu to +15dBu, ref -15dBu into unbalanced RCA input

Connections

Inputs:

4 x RCA phono (Unbal), 4 x XLR 3 pin female (Bal)

Outputs:

4 x XLR 3 pin male (Bal), 4 x RCA phono (Unbal)

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-BL4:

Dual stereo bi-directional matching converter

Physical Specification

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):

58.5cm (W) x 22.5cm (D) x 7cm (H)
23” (W) x 8.9” (D) x 2.8” (H)

Weight:

Nett: 1.3kg  Gross: 1.9kg
Nett: 2.9lbs Gross: 4.2lbs