digi-tech AA-0373 User manual

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UserManual
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Mono Amplifier Module
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AA‐0373
Distributed by:
TechBrands by Electus Distribution Pty. Ltd.
320 Victoria Rd, Rydalmere
NSW 2116 Australia
Ph: 1300 738 555
Int’l: [phone]
Fax: [phone]
www.techbrands.com

TechnicalSpecifications:
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PowerInput:4‐12V
Output:0.3mW@4ohms(ifinputis<6V)
  or0.5W@8ohms
Dimensions:65(L)x35(W)x20(H)mm
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Notes:
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Nevergetanypartofthemodulewet.
Neverattempttoopen,modifyorrepairanypartofthe
module.
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Instructions:
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Testtheunitfirstbeforeinstalling:
Connecta9Vpowersupplytotheamplifiermodule,
withamultimeter(switchedtothe200mArange)in
serieswithoneoftheleads.Donotconnecttoa
loudspeakeryet.Withnoinputsignal,youshould
getaquiescentcurrentofabout8‐10mA.Anymore
thanthisandyoushouldswitchitoffimmediately.
Ifeverythingappearstobeokay,connecta
loudspeakerandperforma‘blurt’test.Todoso,
turnthevolumeuphighandthenputyourfinger
ontheinputaudiosignal.Thiswillinjecta
hum/hashsignalintotheamplifierwhichisheardas
a‘blurt’fromthespeaker.Ifitblurts,itisworking
fine.

Theinstallationofthemoduleisleftuptoyou,
accordingtothediagram,ensuringthatyoukeepitaway
frommainstransformersoranywherelargeamountsof
humarepresent.

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WiringDiagram: