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MCM-8 Iss1 

Preliminary User Guide v1.1 

7

 

 

USING THE MIXER BYPASSING FITTED MODULES 

 

Although using the mixer section with empty slots is possible, trying to bypass a fitted 

module is highly avoidable, as serious signal degradation will happen due to the low output 

impedance of the module loading the input signal. 

Whenever this situation is needed, module needs to be removed from the slot first, 

and follow the previous point´s instructions, USING THE MIXER WITH EMPTY SLOTS. 

 

 

Summary of Contents for MCM-8

Page 1: ...e prior written permission of Heritage Audio S L Heritage Audio S L reserves the right to make improvements to the products described in this manual at any time without notice The information in this manual is intended to be accurate and reliable However Heritage Audio S L assumes no responsibility for its use nor for any infringements of rights of third parties which may result for its use MCM 8 ...

Page 2: ...not possible FRONT PANEL OVERVIEW Upper row on the front panel is dedicated to the 8 mixer s main inputs Controls per channel are as follows ON When pressed the output of the slot is added to the mix bus When depressed it s muted FADER Attenuates the signal sent to the mix bus from unity to minus infinity Fader all clockwise means unity gain whilst 12 o clock means an approximate 20 dB of attenuat...

Page 3: ...he bottom right there are LEDs showing the correct status of the external power source BACK PANEL OVERVIEW Upper row on the back panel corresponds to the individual XLR and combined DSUB channel outputs Lower row corresponds to the individual XLR and combined DSUB channel inputs Both DSUB connectors are wired following the TASCAM protocol Stereo Mix output is located far left on a pair of male XLR...

Page 4: ...MCM 8 Iss1 Preliminary User Guide v1 1 4 SIGNAL FLOW AND BLOCK DIAGRAM Dsubs omitted for clarity ...

Page 5: ...s therefore modules are isolated from the rest They just share the metal enclosure With literally hundreds of brands making 500 series modules we at Heritage Audio think this is the professional way of handling this reliably eliminating issues often associated with sharing power between different modules of different brands and natures Each slot features test LEDs for checking correct power operat...

Page 6: ... is placed PRE output stage so driving it to saturation is possible and the opposite too Provision is made on each channel for attenuation and stereo placement fader and pan before sending to the mix bus with the exception of the AUX inputs Maximum output level is greater than 26dBu headroom for days USING THE MIXER WITH EMPTY SLOTS The MCM 8 mixing section is designed to be used with modules fitt...

Page 7: ...s possible trying to bypass a fitted module is highly avoidable as serious signal degradation will happen due to the low output impedance of the module loading the input signal Whenever this situation is needed module needs to be removed from the slot first and follow the previous point s instructions USING THE MIXER WITH EMPTY SLOTS ...

Page 8: ...er Guide v1 1 8 BACK PANEL CONECTIONS AND PROTOCOLS All XLRs are Pin 1 GND Pin 2 Hot Pin 3 Cold All DSUB 25 multi pin connectors are TASCAM protocol This same protocol is also used by AVID amongst many others and is as follows ...

Page 9: ...00 SERIES EDGE CONNECTOR PIN OUT TERMINAL FUNCTION 1 CHASSIS GROUND 2 OUTPUT 4 LEVEL 3 NOT USED 4 OUTPUT 5 COMMON 6 STEREO LINK 7 NOT USED 8 INPUT 4 LEVEL 9 NOT USED 10 INPUT 4 LEVEL 11 NOT USED 12 16VDC 13 POWER SUPPLY COMMON 14 16VDC 15 48VDC ...

Page 10: ...m level input 22dBu Maximum output level Greater than 26dBu into 600ohm Frequency response 0 5dB 20Hz to 20kHz THD N Not more than 0 07 from 50Hz to 10kHz at 20dBu output 80kHz bandwidth into 600Ω Heritage Audio S L C Ardemans 42 Local 28028 Madrid Spain Tel 00 34 917 266 189 info heritageaudio net www heritageaudio net ...

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