lot de 2 Phase 3 Videoquip LM-2 Rackmount Introduction
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lot de 2 Phase 3 Videoquip LM-2 Rackmount
The LM-2 is a professional audio level conversion device, specifically designed to allow professional
balanced equipment to be interconnected with unbalanced devices.
On the LM-2, two channels provide conversion from high-level balanced signals (typically +4 or +8 dBm)
to low-level unbalanced signals (typically -10 or -20 dBV). Two other channels provide conversion from
low-level unbalanced to high-level balanced signals.
Gain adjustments for each of the four channels are readily accessible from the front panel, in order to
accommodate a wide range of signal amplitudes.
LM-2 Specifications
Power Requirements 115 VAC, 60 Hz or 230 VAC, 50
Hz; 4.5 W
Balanced to Unbalanced Conversion
Input Impedance 40 kohms balanced
Input Signal Level +4 dBm nominal, +24 dBm maximum
Input Connectors XLR, female
Output Load Impedance 10 kohms nominal
Output Signal Level -10 dBV nominal, +18 dBV maximum
Output Level Control Range -22 to +3 dBV @ +4 dBm input
Output Connectors RCA
Frequency Response 20 Hz to 30 kHz +/-0.1 dB
T. H. D. + Noise .017%, 20 Hz to 30 kHz, nominal output
Common Mode Rejection -79 dB @ 60 Hz
Unbalanced to Balanced Conversion
Input Impedance 100 kohms unbalanced
Input Signal Level -10 dBV nominal, +18 dBV maximum
LM-2
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Input Connectors RCA
Output Load Impedance 600 ohms nominal
Output Signal Level +4 dBm nominal, +24 dBm maximum
Output Level Control Range -3 to +24 dBm @ -10 dBV input
Output Connectors XLR, male
Frequency Response 20 Hz to 30 kHz +/-0.2 dB
T. H. D. + Noise Less than .014%, 20 Hz to 30 kHz, nominal output
Hum and Noise -88 dBm, 20 Hz to 30 kHz
Physical Dimensions (Inches)
LM-2 8.1 W x 1.9 H x 5.1 D
