Technical Data Mic Preamplifier
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Technical Data MIC PREAMPLIFIER
Version 3HE


Input
Type balanced floating, Haufe made Transformer
nominal Level + 6 dBu - Gain
maximum Level ƒ ³ 40 Hz ³ + 30 dBu - Gain
Input Impedance ƒ 40 Hz - 15kHz ³ 2 kW
Source Impedance optimized for nominal Value 200 W
CMRR ƒ £ 15 kHz ³ 70 dB according to IRT


Output Standard Version
Type electronically balanced
nominal Level + 6 dBu
maximum Level ƒ ³ 40 Hz, kges 1 % ³ + 30 dBu
³ + 22 dBu with unbalanced Load
Source Impedance ƒ 40 Hz - 15 kHz £ 60 W
Load Resistor ³ 1200 W for + 30 dBu ³ 600 W for + 27 dBu
CMRR ƒ 40 Hz - 15 kHz ³ 40 dB according to IEC
Output optional Version -s
Type balanced floating, Transformer
nominal Level + 6 dBu
maximum Level ƒ ³ 40 Hz, kges 1 % ³ + 30 dBu
Source Impedance ƒ 40 Hz - 15 kHz £ 60 W
Load Resistor ³ 1200 W for + 30 dBu ³ 600 W for + 27 dBu
CMRR ƒ £ 15 kHz ³ 40 dB nach IEC
CMRR ƒ £ 15 kHz ³ 60 dB nach IRT


Gain 0 dB bis 70 dB ± 0.5 dB / 12 Steps
± 6 dB Range of Fine Control


Frequency Response Vu 0 - 76 dB ƒ 40 Hz - 15 kHz ± 0.5 dB
Vu 0 - 76 dB ƒ 20 Hz - 20 kHz + 0.5/-1 dB
Phase Response Input/Output ƒ 40 Hz - 15 kHz £ +5°/-25° Standard RF / Subsonic Filters


THD £ +22 dBu, ƒ ³ 40 Hz - 15 kHz, kges £ 0.1 %


Dynamic Range Vu ³ 40 dB/22Hz-22kHz RMS ³ 152 dB - Gain
Noise Level Vu ³ 40 dB / 22Hz-22kHz RMS £-130 dBu + Gain
Weighted Noise Level Vu³40dB/CCIR468/Quasi-Peak £-116 dBqp +Gain


Size INTEGRATOR-Standard Cassette 4HE/3HE


Control Elements Potentiometer, Gain: Stepper Switch
Gain-Range 0 - 70 dB in 12 Stufen
Gain Fine ±10 dB
Phantom Supply 48 Volt across 2 x 6.8 kW - by Switch P48
RF-Filter Standard Version: @ 200 kHz >-6 dB
HPF/LPF by Switch FILT
High Pass Filter <20...600Hz / 24 dB/Oct
Low Pass Filter >25...2 kHz / 12 dB/Oct
Level Meter 4 Leds, Peak-Display -20...+20dBu