Model:
LMPRE
SKU:
LMPRE
Availability:
In Stock
$244.20
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The Whirlwind LMPRE Microphone Preamplifier is a compact single channel preamp designed to provide up to 70dB of gain with 24V phantom power.

The Whirlwind LMPRE Microphone Preamplifier is a compact single channel preamp designed to provide up to 70dB of gain with 24V phantom power. It features balanced XLR input and output connectors, along with mono-summed RCA outputs. The preamp offers adjustable input gain ranging from 10 to 49 dB, and output gain of +/-15 dB. With a maximum input level of +4 dBV and output level of +23 dBV, it is suitable for a variety of microphone applications.

The frequency response ranges from 20 Hz to 10,000 Hz at 50 dB gain, with limiting up to 20,000 Hz at 40 dB gain. It has an input impedance of 20,000 Ohm differential and an equivalent input noise level of -115 dBV.

  • Input Connectors: Balanced XLR x1
  • Input Gain: 10 - 49 dB
  • Input Impedance: 20,000 Ohm differential
  • Maximum Input Level: +4 dBV
  • Phantom Power: +23.7 VDC

Specifications

Box Dimensions (LxWxH)
8.7 x 3.7 x 2.7"
Dimensions
1.6 x 5.7 x 2.8" (4.06 x 14.48 x 7.11 cm)
Frequency Response
@50 dB gain (not limiting): 20 - 10,000 Hz +/-1 dBV; -2.5 dB @ 20,000 Hz @40 dB gain (limiting): 20 - 20,000 Hz
Fuse
Automatic reset internal fuse; 100 mA
Input Connectors
Balanced XLR x1
Input Impedance
20,000 Ohm differential
Maximum Input Level
+4 dBV
Maximum Output Level
+23 dBV
Noise
At unity gain: -104 dBV
Output Impedance
XLR: 95 Ohms RCA pair: 1,600 Ohms
Package Weight
1.3 lb
Phantom Power
+23.7 VDC
Power Consumption
Typically 62mA @ 24 VDC
Power Requirements
24 V, 200 mA, unregulated; 2.1mm-center positive
Total Gain
70 dB; 83 dB with bass and treble controls at max
Weight
0.7 lbs (0.32 kg) 1.1 lbs (0.5 kg) with power supply
Equivalent Input Noise
115 dBV
Output Connectors
Balanced XLR x1 Mono-summed RCA pair x1
Output Gain
+/-15 dB
THD + N
@50 dB gain (not limiting): +/-0.1%, 20 - 20,000 Hz @40 dB gain (limiting): +/-0.1%, 100 - 20,000 Hz; +/-1.5% 20 - 50 Hz Limiting: @ threshold < 0.05%; limiting < 0.11%
CMR
80 dB @ 60 Hz
Input Gain
10 - 49 dB
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