Technical Data DI Amplifier
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Technical Data DI AMPLIFIER
Version 4HE


Input
Type balanced or unbalanced Mode, high Impedance
grounded or floating
nominal Level + 6 dBu - Gain
maximum Level ƒ ³ 40 Hz ³ + 30 dBu - Gain
Input Impedance ƒ 40 Hz - 15kHz ³ 200 kW
CMRR ƒ 40 Hz £ 15 kHz ³ 50 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 nach 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 according to IEC
CMRR ƒ £ 15 kHz ³ 60 dB according to IRT


Gain -12 dB bis 30 dB ± 0.5 dB / 12 Steps


Frequency Response Vu 0 - 30 dB ƒ 40 Hz - 15 kHz ± 0.3 dB
Vu 0 - 30 dB ƒ 20 Hz - 20 kHz + 0.3 / -0.5 dB
Phase Response Input/Output ƒ 40 Hz - 15 kHz £ +5°/-20° Standard RF / Subsonic Filters


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


Dynamic Range Vu 30 dB/22Hz-22kHz RMS ³ 142 dB - Gain
Noise Level Vu 30 dB / 22Hz-22kHz RMS £-116 dBu + Gain


Size INTEGRATOR-Standard Cassette 4HE/3HE


Control Elements Potentiometer
Gain-Range Stepper Switch -12 ... +36 dB / 12 Steps
Input Mode balanced or unbalanced Mode by Switch BAL
Input Ground floated or grounded by Switch GND-LIFT
RF-Filter Standard Version: @ 200 kHz >-6 dB
Filters 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