Itec MULTIMIX 8/4 DIGITAL Hardware Description
MULTIMIX 8/4 digital
MANUAL VERSION 3.0, AUGUST 2007
PART 1: HARDWARE DESCRIPTION
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MULTIMIX 8/4 DIGITAL
Dear customer!
It is the most important goal of our development endeavours to produce practice-orientated
devices that make work easier; this applies, on the one hand, to the end user who needs to
come to terms with the device, and, on the other hand, to the engineer and technician who
install the product and set its functions according to the customer’s requirements. Many
years of experience in the field of sound reinforcement installations have taught us the main
requirement: a multi-functional device allowing all kinds of signal adjustments to the
technician and offering an easy-to-use control surface to the person running the device.
The ITEC-MULTIMIX 8/4 digital fulfils this requirement to perfection. With his PC, the
technician can easily configurate the device as requested and implement a wide variety of
sound effects without using additional devices. The end user receives an easy-to-grasp and
easy-to-use sound system. Adjustments can be made only within the predetermined limits,
thus eliminating operating mistakes to a large extent.
The configuration software ITEC-MixDesign is easy to survey and understand, and can
consequently be operated effortlessly by anybody.
You can store up to 15 different complete configurations in the Multi-Mix’s flash and switch
(load) them externally according to the occasion.
In contrast to comparable products, the ITEC-MULTIMIX 8/4 is an analogue mixer in its
paths (with the exception of the optional DSP output module)! However, it is fully digitally
controlled. The processors control and adjust the VCAs, measure level and transmitter, and
switch the signals.
The analogue basic concept is the decisive factor for the extraordinary quality, particularly in
respect to signal to noise ratios, dynamics, and the distortion factor of small signals.
Please pay attention to the installation and configuration instructions in this manual of the
ITEC-MULTIMIX 8/4 digital, so that you can make the most of this device.
Your ITEC acoustics team
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MULTIMIX 8/4 DIGITAL
CONTENTS: PART 1
HARDWARE DESCRIPTION
Dear customer!.......................................................................................................................2
SAFETY PRECAUTIONS........................................................................................................4
SUPPLY EXTENT...................................................................................................................5
PART 1: HARDWARE DESCRIPTION ................................................................................6
FRONT PANEL CONTROLS and DISPLAY.......................................................................6
1) Power indicator:........................................................................................................................... 6
2) Multifunctional LED display:........................................................................................................ 6
3) Potentiometers 1- 8:.................................................................................................................... 7
4) PC interface:................................................................................................................................7
5) Device Status:............................................................................................................................. 7
PLUGS and SOCKETS of the REAR PANEL ....................................................................8
6) Ground Lift:.................................................................................................................................. 8
7) Power supply socket: .................................................................................................................. 8
8) External control inputs:................................................................................................................ 9
8 a) External potentiometer:............................................................................................................ 9
8 b) External configuration switching:............................................................................................ 10
9) Interface for media remote control:........................................................................................... 11
10) Digital Link:.............................................................................................................................. 11
11) Analog Link:............................................................................................................................. 11
12) Inputs:...................................................................................................................................... 12
13) Outputs:................................................................................................................................... 12
14) Optional LAN-module:............................................................................................................. 13
15) Device Status Output: .............................................................................................................13
Optional Input Equalizer......................................................................................................13
MULTIMIX 8/4 BLOCK DIAGRAM........................................................................................14
Optional 4x4 DSP-Matrix......................................................................................................15
DSP BLOCK DIAGRAM ....................................................................................................15
Installing and removing Modules .......................................................................................16
Installing the DSP Module................................................................................................16
Removing the DSP Module..............................................................................................17
Installing the Input-Equalizer Module.............................................................................18
Removing the Input-Equalizer Module ...........................................................................19
Installing/Removing the LAN Module .............................................................................19
SPECIFICATIONS:................................................................................................................20
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MULTIMIX 8/4 DIGITAL
SAFETY PRECAUTIONS
The installation and configuration of the ITEC-Multimix 8/4 must be carried out solely by
trained experts. For the configuration use exclusively the original software ITEC-MixDesign.
You must only use the original power supply, which has on its primary side an IEC power
inlet C14 and which is to be connected to the mains socket customary in your country (115 –
230V) with an adequate cable.
When installing the device into a closed cabinet, make sure that there is sufficient air
circulation in order to avoid an inadmissible heating of the device.
When connecting other devices (sound sources, PC), make sure you pay attention both to
the right connection as well as to the input and output specifications.
Do not try to open the device forcefully or by undoing the screw joints. It does not contain any
parts that can be repaired by a layman. In case of problems please contact the manufacturer
or your regional sales office.
By no means must the device be exposed to temperatures above 50°C, humidity above 95%
or rain.
Attention: unplug the power supply any time the device is opened by an expert.
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MULTIMIX 8/4 DIGITAL
SUPPLY EXTENT
ITEC-Multimix 8/4 digital
Power supply with connection cable
Manual (English or German)
optional:
4x4 DSP-Modul (built in)
Input equalizer (built in)
Accessories:
ITEC-MM-PC-1.5 RS-232 to PC connection cable
ITEC-MM-PC-1.5 opto PC connection cable with a galvanically separated interface
ITEC-MM-RJ-0.5 Analog-Link-Kabel
The standard phantom power of the inputs is 12 Volt. For a higher phantom power you need:
ITEC-MM-Ph-48V plug module for 48 Volt phantom power
ITEC-MM-Ph-24V plug module for 24 Volt phantom power
ITEC-MixDesign configuration software:
You will always find the latest version for a free of charge download under:
http://itec-audio.com/download/mixer/mixersetup.exe
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MULTIMIX 8/4 DIGITAL
PART 1: HARDWARE DESCRIPTION
FRONT PANEL CONTROLS and DISPLAY
Hardware 2.1
Hardware 1.0 to 2.0
1) Power indicator 4) PC-Interface
2) LED-Display 5) Device Status
3) POTIS 1-8
1) Power indicator:
A red LED shows that the operation voltages are in order.
2) Multifunctional LED display:
Depending on the configuration (see software description), the 8 LEDs have the
following functions:
Off: LEDs are switched off.
Signal:* input signal at corresponding input (post-fade) is higher than - 60 dB.
Comp:* indicates a Compressor/Limiter activitiy on the corresponding input.
Clip:* input signal at corresponding input (post-fade) is higher than + 3 dB.
Value: level display for one input or output (one LED is equivalent to 10 dB).
*When running on „Auto-switcher“ the LEDs show the active channels (microphones).
If the display if configured to display a Value, you can determine the current level with the
following table:
LED no 1 2 3 4 5 6 7 8
Value greater or equal -55dB -50dB -40dB -30dB -20dB -10dB -0dB +10dB
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