I have read some pretty good comments about the quality of the Sony
WCS-999 Wireless Microphone as an external camcorder mic solution for
my Canon ZR-40.
My question is can the lav mic be plugged DIRECTLY into the camcorder
instead of the transmitter? Does the Mic require power from the
transmitter that it wouldn't receive from the Camcorder? Would the
impedence match?
There are times I would simply like to have an external mic clipped to
my hat, and wouldn't want to carry a transmitter in one pocket and a
receiver in the other! :-)
Even SONY couldn't answer this question and most stores don't carry
the mic, preferring to carry it online. Does anyone have this
combination and have you tried it?
Thanks in advance.
--Lee
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not stereo as is the WCS-999.
However, I'll bet the ECM-T145 battery pack in the picture does
exactly as David suggests -- applies a 1.5VDC current to the audio
channels, using an AA battery.
But first I want to rig up a test plug and put a meter on the ZR40
input to see if Canon gives us any power at that port.
Cheers,
--Lee
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On 16 Jan 2003 22:06:09 -0800, (Lee) wrote:
The tip and ring are left and right "hot", as I recall,
and the plug body is ground; the DC should appear on both
"hots" relative to ground, to power two mics... The DC can
be a problem with electronics that are not capacitor-coupled
at the input, and it can contribute to the "crunchy"
sound you get if you move the plug in the jack and the
connection is not excellent - but otherwise it is just DC
added to AC, and it generally does not affect the sound
unless it is amplified in the preamp, or causes one side of
the audio waveform to clip too early due to excessive
DC offset. Also, I think some Sony camcorders may use
what happens to the DC to signal input connection choices,
and some gear may upset this...
David Ruether
#
Hey, check out # too...!
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Can you clarify for me, there are three leads (sections) in a stereo
mini plug; which pair would carry the DC voltage? Does such a current
interfere with the audio signal?
--Lee
(Neuman - Ruether) wrote in message <>...
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I think it doesn't work without reciver
But try Sony ECM-T145 model... That one seem to do. (try Google to find it
in BH store i.e.
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If the mic is tiny, it is likely an "electret" type, needing
power. If it is not provided on the mic or in the mic cord,
it is likely provided by the transmitter (you can measure
the DC output at the plug input, if you are careful). Canon
camcorders used to provide a DC out jack for powering mics,
but probably no longer do. Check the mic input jack for DC,
and if present, if it is a similar voltage to the Sony. Most
Sony camcorders do have about 1.5 volts DC on the mic inputs
(the Canon voltage was higher) to power mics, so lavaliere
mics often work with these straight-in, but I suspect you
will need to rig an in-line power supply (battery) for using
the lav on the Canon...
David Ruether
#
Hey, check out # too...!
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