Wyred 4 Sound ST Series User Manual
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WYRED 4 SOUND ST-SERIES v2.1
4235 Traffic Way
Atascadero, CA 93422
PH: 805-466-9973
FAX: 805-462-8962
©2013 WYRED 4 SOUND
All rights reserved.
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The light bar can be adjusted for brightness through a clearance hole on the bottom of the chassis. As a
factory standard, the amplifiers are configured for maximum brightness. One can dim the light bar by using a
miniature flat head screwdriver (sunglass repair driver), and rotating the potentiometer on the bottom of the
chassis. The light bar to be turned completely off if so desired by rotating the potentiometer in the opposite
direction as delivered. Also having multiple amplifiers may require the units to be adjusted for common
brightness between units.
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CAUTION: Disconnect the power cord or put the power switch in the off position before making
any connections to your amplifier to minimize the risk of electric shock and possible loudspeaker
damage. Power your amplifier after all final connections have been made. NOTE: This is a
balanced amplifier and you should NEVER connect either output to a ground point! Doing so may
cause damage to your amplifier and/or connected gear.
The binding posts that you will find on the ST series are made of nothing but the best. Each
binding post is made of highly ductile “OFC” copper alloy. Both clamping nuts are built out of one
piece, and offers excellent grip. All metallic surfaces offer a 24-carat gold-plating, and are non
magnetic surfaces. The binding post will accept 4mm banana plugs, spades of 6 and 8mm, and
crimped cable ends up to 10 AWG. The easiest connection is made with banana plugs, but be sure
that you use the highest quality that you can find. Make sure that the banana plugs fit snugly into the
terminals. Some inexpensive banana plugs can cause a highly resistive connection which can result in
a noticeably higher distortion output to the connected speakers.
The RCA (unbalanced) jack is made with high quality gold plated copper, and should be
properly connected with interconnects of the same value. The Neutrik XLR (balanced) connectors
are the finest balanced connector on the market, and are the best possible option for connecting your
amplifier to your preamplifier
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Using the new W4S power and interconnect cables would be a great way to ensure your system is
closer to what we call “our reference”. We are now offering superior cables at an affordable rate that
anyone can afford. For more information, please visit the web-site, or send an email to