V700
Stem Mixing


M768
Stereo Input Module for
V700 Stem Mixing Consoles

The M768 is a stem mixing stereo input module for stereo consoles. The elliptic EQ is used to reduce the base width at low frequencies and improve the mono compatibility.The module has a balanced stereo line input with adjustable input gain and can be used as stereo subgroup master alternatively.

Input Section
The module has one electronically balanced stereo input that can process input levels of + 30 dBu. A stereo pair of subgroups can be used as input signal alternatively. The groups are assigned by internal jumpers. The input selection takes place by a lever switch. The selected input or group set respectively, feeds the input gain control with a standard control range of +/- 10 dB. The gain control has a precisely calibrated 0 dB center detent.

Insert
The balanced and buffered stereo insert point is located post input gain and pre fader. The insert output is always available on the connector panel and the insert input is switch into the signal chain by the INS switch. Insert input and output are electronically balanced and can process levels of + 30 dBu.

Fader, PFL, Solo, Cut, Meter
The fader is a conductive plastic stereo audio fader with 100 mm stroke that drives an ultra low noise, wide band stereo buffer amplifier that compensates the insertion loss of 10 dB. 12 dB versions are also available.

The CUT circuit that mutes the entire channel is post fader, post buffer amplifier.

The PFL system only affects the monitor system and can be used during the mix. The fader input signal is routed to the PFL mix bus.

The solo system operates independent of PFL as Solo in Place. The SAFE switch allows to prevent Solo for the channel when pressed. All channels that are not either in Solo state of in Safe mode are muted if Solo is active.

The integrated peak/present level meter reads the fader input level post mono matrix. The display with 4 LED's covers the range from - 20 dB to + 20 dB.

Sends
There are three mono aux send that can be switched pre or post fader. The two stereo cue sends, each with a level and pan control, can also be switched pre or post fader. The mono sends AUX1 to AUX3 is driven from the output of a mono matrix.

Channel Out
The channel output is electronically balanced and can process levels up to + 30 dBu. The CH-OUT switch selects the output of the group bus amp instead of the fader output when pressed.

Pan Pot
The fader output feeds the pan pot. The pan pot is a stereo balance controlwith 0 dB center attenuation. The output of the pan pot drives the mix and group routing.

Mix and Group Routing
The MIX switch routs the pan pot outputs into the mix bus rails. The 6 groups are selected by 3 switches in stereo pairs.

Surround Compatibility
If the M768 Stem Mixing stereo input module is used in combination with a surround master module, the surround channels C, SL, SR, and LFE are not driven from the M766. However, the left channel drives the front left surround master bus and the right channel drives the front right surround master bus. If the master modules operates in MODE STEREO, the module is fully functional.

Group Bus Amp
All stem mixing input modules include a mono bus amp for one of the 6 groups of the mixing system. The bus rails are assigned on the wiring pcb in the console frame. At least 6 input modules must be installed to use all groups. The output of the group bus amp drives group return busses in the console frame. All groups are available in all inputs. This principle makes possible to assign any input module to any group, independent of the frame slot where the particular module is installed. In addition, one group can be assigned to several channels in parallel.

The Module
The M768 is a 6U V700 module with 120 mm depth that can be used with standard and custom build stem mixing frames.

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Specifications
fits into Stem Mixing Frames only
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Custom Colors for Faceplate and Control Knobs
AUDIO MODULES :
PRO AUDIO GEAR:
SURROUND SOUND
MIXING CONSOLES

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