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Date: | Wed, 28 Feb 2007 15:43:08 -0500 |
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ISEN-ASTC-L is a service of the Association of Science-Technology Centers
Incorporated, a worldwide network of science museums and related institutions.
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Hi All,
This is a way far out way to maybe beat this problem in avery retro way:
How about using a carbon mic? These were once very popular (in the 1920s
and 1930s) and they are rock solid and virtually indestructible. You can
use a telephone transmitter from a fairly modern phone. All you have to
do is support it with springs at the center of a ring to prevent
extraneous noises. You also need a local battery and retardation coil
ahead of the amp.
If nothing else you'll get a lot of questions about the cool mic you are
using!
John Bowditch
Exhibits Director
Ann Arbor Hands-On museum
-----Original Message-----
From: Informal Science Education Network
[mailto:[log in to unmask]] On Behalf Of [log in to unmask]
Sent: Wednesday, February 28, 2007 11:41 AM
To: [log in to unmask]
Subject: Re: electric shows and sound systems
ISEN-ASTC-L is a service of the Association of Science-Technology
Centers
Incorporated, a worldwide network of science museums and related
institutions.
************************************************************************
*****
Jeff,
Most of the lavalier mics are electrets. The Van de Graaff will kill
them
quickly. I use a Peavey Messenger sound system with a hand held mic.
Great
system that has held up to lots of abuse and high voltage. I have
tried some
of the dynamic headsets, but have not found one that I am happy with.
Rob Krampf
www.krampf.com
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More information about the Informal Science Education Network and the
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