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Trouble wiring PIP shure mics

Subject: Trouble wiring PIP shure mics
From: D & m <>
Date: Tue, 23 Aug 2005 18:00:52 +0800
Hi all
With those more experience you may be able to offer some advice on the 
following. I have got my hands on some shure lav mics, namely WL183s, 
WL85s, WL 93s which I hope to record on a Sony MZ N1 minidisk. I have 
been following Rob instruction in wiring PIP shure mics through 
minidisks. The local music man is trying to help but he has a little 
busy. He still hasn't read the stuff I left with him 2 months ago. I'm 
having some problems getting any sound using the PIP.

This is were I'm up to.
I got 2- Female  4 pin adapters. I have found pin 1 for ground. The 
other pins ( 2,3,4) have solder connecting them. Looking down the jacks 
of the mics, each one is wired that sound and power going to different 
pins. . I can get a hum when I touch the touch the pins 2,3,4.
When the mic is not plugged into the 4 pin adapter I can get 2.3- 2.4 
volts from the minidisk the female adapter how it drops to 1.7v as soon 
as a mic ( testing with WL 93) is plugged in, then drops to 0v after a 
couple of minutes.When I do have some power I can get 1.7v to the ground 
and power ( black) wire of the mic.
 I know the 93's are working because I found a music shop who was able 
to test them but they are a 4 hour drive and I don't often get there. I 
assume the drop of power is the reason I can not get any sound coming 
through.

I have thought of using a 9 volt battery for power but unsure if  power 
from the battery and  minidisk will be too much for the mic as they use 
1.5- 10 volts.

As I'm a beginner I may not have explained things very well. Any helpful 
suggestions appreciated
David


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Loudspeakers are not birds,
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