| Technical Data |
STEREO PREAMPLIFIER I73 |
| Version |
3HE |
|
|
| Input |
Standard Version |
| Type |
electronically balanced |
| nominal Level |
+ 6 dBu ± Gain |
| maximum Level |
ƒ ³ 40 Hz ³ + 30 dBu - Gain |
| Input Impedance |
ƒ 40 Hz - 15kHz ³ 20 kW |
| CMRR |
ƒ 40 Hz £ 15 kHz ³ 60 dB according to IRT |
| Input |
optional Version -s |
| Type |
balanced floating, Transformer |
| nominal Level |
+ 6 dBu ± Gain |
| maximum Level |
ƒ ³ 40 Hz ³ + 30 dBu - Gain |
| Input Impedance |
ƒ 40 Hz - 15kHz ³ 10 kW |
| CMRR |
ƒ 40 Hz £ 15 kHz ³ 60 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 accordint 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 according to IEC |
| CMRR |
ƒ £ 15 kHz ³ 60 dB according to IRT |
|
|
| Gain |
± 20 dB ± 0.5 dB |
|
|
| Frequency Response |
ƒ 20 Hz - 20 kHz ± 0.25 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 % |
|
|
| Crosstalk |
between L + R ƒ 40 Hz - 15 kHz £ 70 dB |
|
|
| Dynamic Range |
- Vu + 20 dB / 22Hz-22kHz RMS ³ 112 dB
- Vu £ 0 dB / 22Hz-22kHz RMS ³ 118 dBu
|
| Noise Level |
- Vu + 20 dB / 22Hz-22kHz RMS £- 86 dBu
- Vu £ 0 dB / 22Hz-22kHz RMS £-92 dBu
|
|
|
| Size |
INTEGRATOR-Standard Cassette 4HE/3HE |
|
|
| Control Elements |
Potentiometer |
| Gain-Range |
± 20 dB - 0 dB Center Detent ± 0.5 dB |
| Channel Balance |
± 3 dB regelbar - 0 dB Center Detent ± 0.3 dB |
| Input |
LEFT only / RIGHT only / L-R REVERSED |
| Phase Reversal |
Right Channel by Switch |
| RF-Filter |
Standard Version: @ 200 kHz >-6 dB |
| Filters |
by Switch FILT |
| High Pass Filter |
<20...600Hz / 12 dB/Oct |
| Low Pass Filter |
>25...2 kHz / 12 dB/Oct |
| Level Meter |
4 Leds, Peak-Display -20...+20dBu |