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Old 20th February 2008, 04:00 PM   #1
bobmax is offline bobmax  Canada
diyAudio Member
Join Date: Feb 2008
Default Animatronic Help

OK, i'm trying to hook up an animatronic mouth to a costume head controlled by a mic inside the head and also hooked up to an external speaker. my problem right now is the stupid mic. i'm using a handsfree generic fits-around-yer-head mic from a surplus store (it's new). i hook it up to a diy 7.5 - 12v dc amp kit and to a speaker. it doesn't work. i hook it up to a 9vdc preamp then to the amp and it still doesn't work. But if i run a lead from the earphone jack of my radio straight to the amp and speaker i can hear the radio fine. any idea JUST WHAT THE H E DOUBLEHOCKEYSTICKS could be wrong? PPPPPPLLLLLEEAAAASSSSSSSSEEEHHHHHHEEEEEEELLLLLPPPP PP
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Old 20th February 2008, 04:35 PM   #2
dnsey is offline dnsey  United Kingdom
diyAudio Member
Join Date: Mar 2004
Location: Shropshire, England
Your mic will almost certainly be an electret type, requiring a 'phantom' power supply.
Does it work OK when plugged into your computer soundcard, for example?
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Old 21st February 2008, 08:31 PM   #3
bobmax is offline bobmax  Canada
diyAudio Member
Join Date: Feb 2008
ok i'll check, thanks for your reply! (what's a phantom power supply?)
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