W Audio EPX 1200 User Manual - Technical Specifications
www.prolight.co.uk
EPX Series Power Amplifiers User Manual
6
Technical specifications
EPX 1200 & EPX 2200 front panel
01-ClipLEDs-TheseLEDsflashredtoindicatewhenthe
outputoftheamplifierhasreachedthemaximum,andis
rightontheedgeofclipping.Clippingisbadforspeakers
andshouldbeavoided.ItisokayiftheLEDblinks
occasionally.Itmeansthatthetransientpeaksofthe
musicarejusthittingthefulloutputoftheamplifier.
02-Gaincontrol-Thesetwoknobscontrolthelevelsof
Channels1and2.Usually,thesecontrolsaresetallthe
wayup.Youmightturnthemdownslightlyifyouhave
high-efficiencyspeakers.Also,youcouldusethemto
controlthelevelofline-levelsourcessuchasaCDplayer
connecteddirectlytotheamplifierwithouta
pre-amplifierormixer.Afteryouhavesetthelevels
forthemixer(orothersignalsource),adjusttheLevel
controlsontheamplifierasthefinaladjustmenttoset
theoverallvolumeforthesystem.
Instereoandmonomode,usebothlevelcontrolsto
controlthelevelsgoingtoeachspeaker.Inbridged
mode,turnthechannel2levelcontroldown,andjust
usethechannel1control.
03-PowerLED-ThisLEDilluminateswhentheamplifier
isswitchedon
04-ProtectLED-IfthisLEDisilluminatedduringoperation,
oneoftheprotectioncircuitsisactive.Pleasetakethe
amplifieroutofoperationandhaveittested
05-StereoLED-Thisilluminatesinstereomode
06-BridgedLED-Thisilluminatesinbridgedmode
07-ParallelLED-ThisLEDilluminatesinparallelmode
08-Powerswitch-Pressthisswitchtostarttheoperation
POWER
CLIP
CLIP
POWER
I
O
PROTECT
BR
PR
ST
CH A
CH B
01
02
08
02
04
03
01
06
05
07