Wyred 4 Sound SX Series User Manual
Page 6
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WYRED 4 SOUND SX-SERIES v2.1
4235 Traffic Way
Atascadero, CA 93422
PH: 805-466-9973
FAX: 805-462-8962
©2013 WYRED 4 SOUND
All rights reserved.
Page 6 of 12
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One of the benefits of the SX series amplifiers is the input stage. The proprietary dual, fully balanced
FET input stage offers unparalleled integration with any source. The input stage helps your preamp drive your
amplifier with ease. What happens with our competitors units is that the input signal becomes hard to drive at
times, and some sources start to clip at that point. The signal that causes the most “stress” (peaks) is what will end
up being chopped up, or incomplete. The input stage will provide a constant 60.4k ohm load on the source.
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The XLR/RCA switch on the rear of the unit completely isolates the unbalanced input from the balanced
input. The separation of all connections is to eliminate any possible combination of signals if both happen to be
connected simultaneously. The input to the amplifier can only be selected by either the XLR or RCA input at
any given time.
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Each mono block amplifier has it’s own over-current and thermal protection. Before any damage is done
by a short circuit, over-current, or over temperature, the amplifier will go into protect mode. When this happens
the output is immediately turned off and the music will turn silent. The best procedure to take, should something
like this happen is to turn the amplifier off immediately. Determine what has caused the problem. If the
amplifier is beyond operating temperature, give it a chance to cool, then power it back up. If the amplifier is not
beyond normal operating temperature, check all connections for possible shorts. If you can’t find any reason for
the problem, disconnect everything from the unit and power it up. If the unit powers up, but no sound is passing
through when you connect it your system, your unit may need to be repaired.
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Your new SX series amplifier will deliver outstanding performance right out of the box. However, you
should plan on improvements as it reaches its’ normal operating temperature and once all of the components
have a chance to “settle in”. Our experience has shown that the amplifier has reached its’ potential after the initial
300 hours. After the initial break in period, your amplifier will be ready to perform within minutes of powering it
on. Leaving the amplifier on all the time is recommended for optimal sound and will not shorten it’s life, nor will
it degrade the sound.