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Unbalanced to Balanced Line Combiner

Unbalanced to Balanced Line Combiner

Part #: TX-LC2   Manufacturer: Radio Design Labs

Price: $82.31
Retail: $119.87
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Product Description

The TX-LC2 is the ideal choice in installations requiring the active, isolated mixing of two unbalanced line-level audio sources to feed a balanced (or unbalanced) audio line.

The input circuits are high-impedance, line-level (-10 dBV) and are each isolated from each other. Therefore the modules may be used to bridge an unbalanced stereo source without affecting the stereo separation. The output from the TX-LC2 is a mono mix of the stereo signal. Gain of the combined signals is adjustable from unity to 14 dB.

The TX-LC2 may also be used to mix two separate sources into a single output. The mixing circuit in the module is an active summing amplifier.

The input connectors make connection of the TX-LC2 easy. The gain range makes the TX-LC2 ideally suited to any installation where a balanced mono signal is needed from a stereo unbalanced source, particularly low-output consumer products such as certain televisions.

Inputs (2): -10 dBV nominal, -22 dBV minimum
Input Impedance: 10 kΩ
Noise: < -85dB below +4dBu (-10 dBV input @ 12 dB gain)
THD+N: < 0.005%
Frequency Response: 10 Hz to 20 kHz (+/- 0.25 dB into bridging input)
25 Hz to 20 kHz (+/- 0.25 dB into 600 Ω)
Gain: Unity to +14 dB nominal (adjustable)
IMD: > 0.001%
Output: 150 Ω balanced, +4 dBu to drive low or high impedance, balanced or unbalanced lines
Headroom: > 18 dB
Power Requirement: GROUND-REFERENCED, 24 to 33 Vdc @ 30 mA
Ambient Operating Environment:0° C to 55° C

Additional Information

Manufacturer: Radio Design Labs
Part#: TX-LC2
Unit: Each
Carton: 1

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