Atlas Sound PA1001G Stereo Amplifier User Manual


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Specifications are subject to change without notice.
Owner’s ManualPA1001G Power Amplifier
1601 Jack McKay Blvd. • Ennis, Texas 75119 U.S.A.
Telephone: 800.876.3333 • Fax: 800.765.3435
8. Four Position Dip Switch Assignment
Switch 1 - Sense On/Off, this switch activates the PA1001G remote turn on sensing circuits via either Audio or
AC trigger. When the switch is in the “DOWN” position, all trigger circuits are bypassed. The only way to turn the
amp On or Off is via the mains AC Power Switch located on the front panel. When in the “UP” position either the
Audio or AC Sense turn on Triggers is activated. See switch 2 for selection.
Switch 2 - Sense AC / Audio, when Switch 1 is in the “UP” position you may select the type of remote turn on
trigger. Note the AC Mains Power Switch must also be in the “ON” position.
AC Trigger - This switch function is used if you have an external device is plugged into the Unswitched AC outlet
and you want that device to turn on or activate the amplifier. The “UP” position of Switch 2 is for AC trigger, meaning
if a device such as a projector is plugged into the Unswitched AC outlet and is turned on the AC trigger circuitry
will sense current draw and turn on the PA1001G. Note: To trigger the AC sense circuity you need a minimum of a
100mA of current draw to activate the PA1001G.
Audio Trigger – This switch function is used if you have an external audio source plugged into either the RCA or
Balancedinputsandyouwantthataudiototurnonoractivatetheamplifier.IfSwitch2isinthe“DOWN” position it
isinAudioSensemode.WhenaudioispresentateithertheRCAorBalancedinputs,thetriggercircuitrywillturnon
the PA1001G. See Audio Sense control below for sensitivity adjustments.
Switch 3–LineOutPre-PostVCA-ThisswitchfunctionworksinconjunctionwiththeLineOutJackandthe
RemoteLevelControlfeature.ThisswitchdeterminesiftheLineOutsignalisfixed(Pre)orworkswiththeRemote
LevelControl(Post).The“DOWN”positionisPreRemoteLevel,meaningtheRemoteLeveldoesnotaffectthe
signaloftheLineoutputandthe“UP”positionisPostoraftertheRemoteLevelControl,meaningthelevelwill
changewiththeRemoteLevelControl.
Switch 4 – Hi Pass Filter In / Out, when this switch is in the “UP” position no input filter is applied. With the switch
in the “DOWN” position a 100Hz 12db Hi-Pass filter is engaged at the input of each channel.
9. Audio Sense Trigger Adjustment
This potentiometer works when Dip Switch 1 is set to “DOWN” or “SENSE ON” position and Dip Switch 2 is in the
“UP” or “AUDIO”position.Byrotatingthepotentiometerclockwise(right)thetriggerpointbecomeslesssensitiveto
turn on, meaning it will take more audio signal at the input to turn on the amp. Note: Once the PA1001G has sensed
audio signal and has triggered on, it will take15 -20 min for it revert back into sleep mode even when there is no
audio present. The PA1001G level controls have no affect on this feature.
10. Line Level Out
This unbalanced RCA output allows you to feed the audio signal from the PA1001G amplifier to another amplifier.
YoucanselecttohaveafixedsignaloryoucanassignittoworkwiththeRemoterLevelControl.SeeLineOut
Function Switch for settings.
11. Remote Level Control VCA
RemotelocationofthelevelcontrolcanbeaccomplishedviatheVCAcontrolport.Connectthetwoleadsfrom
theoptionalremotevolumecontroltotheseterminals.Setthesystem'smaximumlevelsusingtheamplifierlevel
controlsandthenusetheremoteVCApotentiometerasanattenuatorfromthemaximumlevelsset.
WIRING THE AAVCC-10K VCA POTENTIOMETER–Atlaspartnumber,AAVCC-10K,consistsofasingle
gang "Decora" style wall plate with a pre-mounted 10K potentiometer and knob. Use two conductor unshielded wire
connectingtheplotterminalsmarked"VCA"onthebackoftheamp.
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