Wyred 4 Sound DAC-2 User Manual
Page 9
_____________________________________________________________________
WYRED 4 SOUND DAC-v6.1
4235 Traffic Way Software ver. 1.6n
Atascadero, CA 93422
PH: 805-466-9973
FAX: 805-462-8962
©2013 WYRED 4 SOUND LLC
All rights reserved.
Page 9 of 16
setting). Connect another 3.5mm cable from the trigger output of the DAC to the trigger input on your power
amps if supplied with one. This will remotely activate your power amps anytime the DAC in operational even
when in HT MODE.
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When scrolling through the setup menu will notice that the volume control can be selected to be either
variable or fixed. When it is desired to use the DAC-2 with another preamp, you can configure the inputs to be
fixed. This will set the output to the max level. If the output of the DAC is a little high for your system, you can
reduce the Max setting for that input to limit or reduce the output level. Essentially, the Max setting can be used
to reduce the output gain according to personal preference or to obtain the sweet-spot your preamp likes to be
operated in. Another feature worthy of noting in the setup menu is that you can also disable the remote control if
you plan on using the DAC with other W4S products that offer the same features such as the STP or STI
products. This will eliminate any interference between the units when the remote is used.
Note: For the fixed mode to operate properly, you must set the Min level for that input to (0).
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There are several settings in the setup menu that most will not opt to change, but are there just in-case…
W4S has set the default settings for optimal sonics. Certain systems may benefit from changing these settings, and
is really a personal preference more than anything. PCM Bandwidth selects the range of which the dac will filter
the signal. Allowing higher bandwidths may introduce more information and noise than desired. IIR stands for
Infinite Impulse Response. This is another setting that each customer should tune to their liking. Please note that
these settings offer the slightest sonic differences and may not be really noticed or appreciated until the unit is fully
“broken-in”.
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More features that can be found in the setup menu are volume Min/Max settings that can be set differently
for each type of input. The volume table for the DAC is 70 steps in size and offers different size steps depending
on the location of the step. When a system doesn’t have enough gain to utilize the bottom several steps, you can
remove them from the table by setting the volume minimum setting to with-in the playback range of the system.
Because of the high output level of the DAC, it may offer the possibility of higher levels than needed. To prevent
the possibility of amplifier overdrive, or possible speaker damage, we recommend setting the volume Max level
with-in your personal preferences. The features listed above are some of the ways the DAC can adapt to
everyone’s system for optimal integration without the worry of having too much or too little gain.
Example:
When the minimum level for the corresponding input is set to 5, the maximum level will be 65. Basically the min
level is the amount of steps skipped in the first position. When used, the min level is subtracted from the 70
possible steps total. With an inefficient system requiring a volume level of 12 to hear anything, a min level of 10
removes steps 1-10 and max equals 60. The volume table offers from 3db to 1dB steps as follows: 0 = mute; steps
1-9 = 3dB; steps 10-24 = 2dB; steps 25-70 = 1dB