Master in Surround Master Module M755 Technical Specifications
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Technical Specifications V700 STEM MIXING CONSOLES
MASTER  IN SURROUND MASTER MODULE M755
Size 6U high Module x 1.5 Slots


Master Inputs for Stem Mixing Bus Rails
Input Insert In Standard Version
Type electronically balanced
nominal Level + 6 dBu
maximum Level1) ƒ ³ 20 Hz ³ + 30 dBu - Gain
Input Impedance ƒ 20 Hz - 20 kHz ³ 10 kW
CMRR ƒ 20 Hz £ 20 kHz ³ 60 dB according to IRT
Input optional - external Transformers
Type balanced floating, Transformers
nominal Level + 6 dBu ± Gain
maximum Level1) ƒ ³ 20 Hz ³ + 30 dBu - Gain
Input Impedance ƒ 20 Hz - 20 kHz ³ 10 kW
CMRR ƒ 20 Hz £ 20 kHz ³ 60 dB according to IRT


Output Master-Out + Insert Out Standard Version
Type electronically balanced
nominal Level + 6 dBu
maximum Level1) ƒ ³ 20 Hz, kges 1 % ³ + 30 dBu
³ + 28 dBu with unbalanced load
Source Impedance ƒ 20 Hz - 20 kHz £ 60 W
Load Resistor ³ 1200 W for + 30 dBu ³ 600 W for + 27 dBu
CMRR ƒ 20 Hz - 20 kHz ³ 40 dB according to IEC
Output optional - external Transformers
Type balanced floating, Transformers
nominal Level + 6 dBu
maximum Level1) ƒ ³ 20 Hz, kges 1 % ³ + 30 dBu
Source Impedance ƒ 20 Hz - 20 kHz £ 60 W
Load Resistance ³ 1200 W for + 30 dBu ³ 600 W for + 27 dBu
CMRR ƒ £ 20 kHz ³ 40 dB according to IEC
CMRR ƒ £ 20 kHz ³ 60 dB according to IRT
Phones-Output for Stereo-Headphones up to 2 kW


Gain Fader + 10 dB ± 0.5 dB max, 0 dB ± 0.3 dB
Aux + Cue-Master max + 6 dB ± 0.5 dB max
PFL 0 dB ± 0.3 dB


Frequency Response ƒ 20 Hz - 20 kHz ± 0.25 dB
Bandwidth < 10 Hz to > 200 kHz
Power Bandwidth 10 Hz to > 125 kHz
Phase Response
Input/Output ƒ 20 Hz - 20 kHz kHz £ +5°/-15°
Standard RF / Subsonic Filters


THD £ +28 dBu, ƒ ³ 20 Hz - 20 kHz, kges £ 0.1 %


Crosstalk between L + R ƒ 20 Hz - 20 kHz £ 70 dB
independend Lines ƒ 20 Hz - 20 kHz £ 85 dB
Fader ƒ 20 Hz - 20 kHz £ 95 dB
Aux + Cue- Pots ƒ 20 Hz - 20 kHz £ 70 dB


Dynamic Range 1) 22Hz-22kHz RMS:
1 Channel
³ 124 dB
8 Channels
³ 120 dB
16 Channels
³ 115 dB
Noise Level 1) 22Hz-22kHz RMS
1 Channel
£-94 dBu
8 Channels
£-90 dBu
16 Channels
£-85 dBu


Control Elements Potentiometer / Fader 100 mm
Functions see Description


1) Data is valid for the master outputs of the mix master, the aux and the cue masters and the pfl master as well. All data refers to an overall gain of 0 dB, adjusted with the positions of the faders. The input faders are routed to the masters but closed. Using the downmix matrix instead of the stereo mode, the noise levels of the surround / center channels are added to the stereo left / right levels. This results in an increase of about 2 dB.

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