W Audio AMP50 - XTR 1000 User Manual - Technical Specifications
www.prolight.co.uk
XTR Series Power Amplifiers User Manual
5
XTR 1000 & XTR 1500 front panel
XTR 1000 & XTR 1500 rear panel
Technical specifications
01-ClipLEDs-TheseLEDsflashambertoindicatewhen
theoutputoftheamplifierhasreachedthemaximum,
andisrightontheedgeofclipping.Clippingisbadfor
speakersandshouldbeavoided.ItisokayiftheLED
blinksoccasionally.Itmeansthatthetransientpeaksof
themusicarejusthittingthefulloutputoftheamplifier.
02-Gaincontrol-Thesetwoknobscontrolthelevelsof
Channels1and2.Usually,thesecontrolsaresetall
thewayup.Youmightturnthemdownslightlyifyou
havehigh-efficiencyspeakers.Also,youcouldusethem
tocontrolthelevelofline-levelsourcessuchasaCD
playerconnecteddirectlytotheamplifierwithouta
pre-amplifierormixer.
Afteryouhavesetthelevelsforthemixer(orothersignal
source),adjustthelevelcontrolsontheamplifierasthe
finaladjustmenttosettheoverallvolumeforthesystem.
Instereoandmonomode,usebothlevelcontrolsto
controlthelevelsgoingtoeachspeaker.
03-PowerLED-ThisLEDilluminateswhentheamplifier
isswitchedon.
04-ProtectLED-IfthisLEDisilluminatedduringoperation,
oneoftheprotectioncircuitsisactive.Pleasetakethe
amplifieroutofoperationandhaveittested.
05-Powerswitch-Pressthisswitchtopowerthe
amplifieron.
CH A
CLIP
PROTECT
CLIP
PROTECT
POWER
CH B
POWER
I
O
04
02
05
03
04
02
01
01
INPUTS
GROUNDLIFT
LIFT
GND
B
A
RIGHT
LEFT
MAINS
T6.3 A
240V~50Hz
!
POWER AMPLIFIER
240V~50Hz
Serial no.
CAUTION!
Remove the mains power before opening
the unit. No user serviceable parts inside,
refer to qualified service personnel.
Protect the unit against moisture and heat.
Operating temperature range 0-40°C.
OUTPUTS
(4Ω min.)
01-¼”jackinputs-Theseinputsallowyoutoconnect
¼”unbalancedjackplugs
02-Phonoinputs-Theseinputsallowyoutoconnect
unbalancedphonoplugs
03-Therearethreewaysofconnectingyourspeakers:
Lockingspeakerconnectors,¼”jackorbindingposts.
Theconnectorsarewiredinparallel.(e.g.Channel1
bindingpost,jackandlockingspeakerconnectorsarein
parallelandthesameforchannel2).
04-Powercablesocket-Thisiswhereyouconnectthe
detachablepowercable.Connecttheotherendtoa
240VACoutlet.
05-Groundliftswitch-Thisswitchallowsthesignalground
orchassisgroundtobeseparatedincaseofaground
conflict.Forthehighestsafetyoftheequipment,itis
recommendedtokeepthe“groundliftswitch”inthe
GNDposition.Incaseofagroundconflictpleasesetthe
groundliftswitchtoGNDLIFT.
02
01
01
04
03
05