grace design m906
owner’s manual
12
grace design m906
owner’s manual
13
However, you may have your entire digital audio system referenced from a single master clock that you
feel particularly good about, hence the ability for the m906 to receive and lock itself to this clock. A
high quality 75 Ohm cable should be used for word clock or Superclock connections.
WORD CLOCK LOAD SWITCH The switch labeled 1M Ohm/75 Ohm is used to terminate the Word
Clock input. If the Word Clock signal in your studio is being daisy-chained from unit to unit, (including
the m906) you’ll want to set the switch to 1M Ohm, which is essentially an unloaded setting. If the m906
is the only device being clock referenced (or the last unit in a daisy-chain of other high impedance
units), you’ll want to select the 75 Ohm load position. NOTE: Selecting the 75 Ohm load position when
there is already another device on the line that has a 75 Ohm load will create a total load of 37 Ohms, which
will attenuate the signal to a point where the m906 will not lock.
ADAT INPUT This input accepts standard ADAT multi-channel optical cables.
AES3 INPUT This input conforms to the AES3 standard. Use of high quality 110 Ohm balanced cable
is highly recommended.
S/PDIF INPUT This is a standard coaxial stereo digital input. The input impedance is 75 Ohms. Use a
quality 75 Ohm cable for connections to this input.
TOS INPUT This is a standard stereo optical input connector for use with consumer devices. Standard
TOSLINK optical cable can be used to connect to this input.
AES3 x 4 INPUT This 8 channel input conforms to the AES3 standard. Channels 1-6 are used for
surround monitoring while channels 7-8 can be monitored as a stereo signal. Use of high quality 110
Ohm balanced cable is highly recommended.
TB MIC INPUT This is a standard microphone input. It can be used with dynamic or condenser
microphones. Use CAL mode to turn the +48V phantom power on and off.
5.1 INPUT 2 These unbalanced input jacks are designed to interface with consumer DVD/SACD
players. They accept a nominal –10dBV input level.
5.1 INPUT 1 This 5.1 channel input is wired to Tascam standard and accepts balanced +4dBu signals.
NOTE: You’ve just made a substantial investment in your m906 and it’s likely that you have a decent
investment in the other components you use in your audio system. As a professional we’re sure this goes
without saying, but now is denitely not the time to spare expense on the audio cabling you’ll use to hook
up your m906. After all, the m906 is going to be the heart of your listening environment, where you’ll be
making all of your critical sonic decisions. Cable and connector quality make a large difference – both for
analog as well as digital connections, so the better the cabling you use with your m906 system, the better
overall performance you’ll achieve in your system.
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