IGS Audio NE72

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Stereo Transistor Preamp.


The NE72 is a classic circuit based on the legendary British preamp from the 1980s. The NE72 is a full symmetric, transformer balanced preamp. It is a pure A class circuit with the audio path reduced to minimum (ultra-short connections between elements). The construction consists of two steps of gain. The Gain and Output knobs drive the individual steps. The input is a LL1538 Lundahl transformer. Out’s by Carnhill.


2 balanced XLR Mic/Line Input
2 unbalanced, high resistance HiZ Input on front panel
2 balanced XLR Output
+4dB operating level
Maximum Output +29 dBV
Gain 60dB
HiZ impedance 1 MOhm
Output impedance 600 Ohm
Frequency response 20Hz to 20kHz; +/- 0.3dB
HD <0.01% @ 1Khz, +20dBu Dynamic range 109dB Meters read VU Internal power supply Mains consumption 25 Watts 230V/110V Power option Typical usage: • Great microphone preamp with or without phantom power • Good preamp for any other mono instruments • Handy for vocal and guitar on stage • Great for high signals like an acoustic snare or kick


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