Sonifex CM-LUX1
The Sonifex CM-LUX1 Balanced to Unbalanced Audio Converter allows the connection of a stereo balanced line input via 2 x female XLRs to a stereo unbalanced output on phono connectors.
Original price was: €280.00.€260.00Current price is: €260.00.
The Sonifex CM-LUX1 Balanced to Unbalanced Audio Converter allows the connection of a stereo balanced line input via 2 x female XLRs to a stereo unbalanced output on phono connectors.
It is transformer balanced, with a 2:1 ratio, so 6dB of attenuation is added to the input to help interface with the lower signal levels associated with consumer outputs.
This unit is a passive version of the RB-LU4 (though only 1 x stereo channel), and provides you with an alternative to having to interface a balanced output to an unbalanced input via specialist cables (either by shorting the non-phase to ground or disconnecting it).
It is particularly useful where a shared balanced audio feed needs interfacing to an unbalanced input on one or more pieces of equipment. Using a CM-LUR1 or CM-LUX1 galvanically isolates the audio, allowing you to connect via phono cables to an unbalanced input without compromising the distributed feed.
Block Diagram
Analogue Inputs
The stereo analogue input is on two female 3 pin XLR connectors with the following pin assignments:
Pin 1: 0V Common
Pin 2: Phase
Pin 3: Non Phase
RCA Phono Analogue Outputs
This unit uses a stereo unbalanced line output on an RCA phono connector with the following connections:
| Pin Type | Connection |
| White Tip: | Left |
| White Screen: | Ground |
| Red Tip: | Right |
| Red Screen: | Ground |
CM-LUX1 Technical Specification | |
Audio Specification | |
| Input/Output Level Ratio: | 2:1 |
| Input/Output Impedance Ratio: | 4:1 |
| Max Input Level: | +28dBu |
| Max Output Level: | +22dBu |
| Frequency Response: | 20Hz to 20kHz, +0/-0.5dB |
| Noise: | <-115dBu A-wgtd |
| Distortion Ref +8dBu (Output): | <0.01% |
| Common Mode Rejection: | >80dB |
Connections | |
| Balanced Line Input:: | 2 x female XLRs |
| Unbalanced Line Output: | 2 x RCA phono connectors |
Equipment Type | |
| CM-LUX1: | Balanced to unbalanced audio converter, XLR input |
Physical Specification | |
| Dimensions (Raw): | 7.7 cm (W) x 8.3 cm (D) x 4.2 cm (H) 3.0” (W) x 3.3” (D) x 1.7” (H) |
| Dimensions (Boxed): | 12.7 cm (W) x 22.9 cm (D) x 7.6 cm (H) 5” (W) x 9” (D) x 3” (H) |
| Weight: | Nett: 0.22 kg Gross: 0.33 kg Nett: 0.49lbs Gross: 0.73lbs |
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