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Studer 928 Service Manual

Studer 928
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928 Mixing Console
General E 1/5
Edition: 07.02.01
1.3 Specifications
General Voltage specification dBu: 0 dBu 0.775 V
Channel input faders and master faders
are set to 0 dB mark.
Line outputs are terminated with 600 .
External sources have a source impedance
of < 200 .
All data are valid within the frequency band
from 31.5 Hz...16 kHz.
PPM version: line level +6 dBu
VU version: nominal output level 0 VU = +4 dBu
Levels Microphone input sensitivity: –71...+10 dBu
Line input sensitivity: +6 dBu ±14 dB
Level at insert points and N–1/direct outputs: +6 dBu
Output level: +6 dBu, adjustable
Monitor level (balanced, unloaded): +6...+15 dBu
Common mode rejection Microphone input: U
in
= 0 dBu; @ 15 kHz >50 dB
V = 0 dB; Fine = min @ 50 Hz >75 dB
Line input: with transformer @ 50 Hz...15 kHz >50 dB
without transformer @ 50 Hz...15 kHz >46 dB
Impedances Microphone input: >1.6 kΩ, balanced and floating
(w. transformer)
Line/tape input: >10 kΩ, electronically balanced
(transformer optional)
Source impedance of line outputs: <40
Master outputs è balanced/floating (w. transformer)
All other outpus è electronically balanced
Frequency response Filters switched off: 0.5 dB
–3 dB points, filter switched off: approx. 4.5 Hz/40 kHz
(continuously decreasing outside this range)
Bass cut (18 dB/oct.) –3 dB @ 75 Hz
High frequency equalizer, 1 kHz...16 kHz: 15 dB
High-mid equalizer, 500 Hz...8 kHz: 15 dB
Low-mid Equalizer, 125 Hz...2 kHz: 15 dB
Low frequency equalizer, 32 Hz...500 Hz: 15 dB
Overload margin Microphone input:
Max. level for 1% 3rd harmonic @ 31.5 Hz: +3 dBu; Pos. +10
Line input:
Max. level for 1% 2nd harmonic @ 31.5 Hz: +24 dBu
Fine adjust 0 dB
Before channel fader (THD = 1%): 20 dB
Before master fader (THD = 1%): 20 dB
Max. line output level:
R
L
= 300 ;
- with transformer: +23.5 dBu
- without transformer: +23 dBu

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Studer 928 Specifications

General IconGeneral
BrandStuder
Model928
CategoryMusic Mixer
LanguageEnglish

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