• Whirlwind LM2U Level Matcher
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Whirlwind LM2U Level Matcher

Whirlwind LM2U Level Matcher

SoundPro Item: 36447 | Part Number: LM2U

$188.00
$269.00 $188.00
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MSRP: $269.00 | MAP: $188.00

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  • XLR, TRS mini and RCA phono jacks
  • Level controls
  • Active circuitry, power by Whirlwind PS24 supply (included)
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This converter uses extremely quiet, active circuits with adjustable gain controls so that signal levels from various devices of gear can be matched.

The Whirlwind LM2 Level Matchers are unique, high quality solutions for converting analog audio levels and impedances between -10 dBV "consumer" or "semi-pro" (also known as IHF standard) unbalanced equipment and +4 dBm balanced professional equipment. The LM2B is the "up converter", amplifying unbalanced IHF signals 14dB and providing balanced output signals. The LM2U functions in reverse, taking balanced +4dBm professional levels, actively attenuating them and delivering unbalanced outputs at IHF levels. This converter uses extremely quiet, high quality active circuits with adjustable gain controls so that signal levels from various devices of gear can be matched to one another.

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Specifications

Electrical
Power Consumption
34 mA DC max.
Audio
Frequency Response
20-20 kHz at unity gain, ± .1 dBv
Total Gain
40 dBv
Maximum Input Level
+17 dBv
Input Impedance
20k Ohms balanced
Maximum Output Level
+17 dBv
Output Impedance
100 Ohms unbalanced
Noise at 20 Dbv of Gain
-87.4 dBv 20-20 kHz
Noise at Unity Gain
-103.4 dBv 20-20 kHz
Noise at 40 Dbv of Gain
-68.1 dBv
General
Total Harmonic Distortion +noise
< .0015% 20-20kHz at unity gain; < .0024% 20-20 kHz, +4 to -10 levels
Phase Shift
< 11.4 degrees 20-20 kHz; < 2 degrees 100-4 kHz
Dynamic Range
95.7 dB @ .1% thd
Range of Level Pot
-40 to + 40 dBv
Stereo Separation
94 dB at 20 kHz; 110 dB at 1 kHz; 120 dB at 20 Hz

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