[AMRadio] Crystal Mic Elements

Bob Peters rwpeters at swbell.net
Mon Dec 10 19:44:11 EST 2007

A Comment on your E mail...The Behringer is  a great little box
especially for the money. But if you want 
A really great sounding D-104 go to the K7DYY site and check out his
board. Guys let me tell you I have a D104
And a 10DA with Bruces board on board and guys say that it sounds like
WBAP AM. I have a lot of high doller gear
And love what Bruce has done. Check with Brian WA5AM on how he thinks
the quality is. Bruce has a number of options 
On it...I sent my mic to him and let him do his thing...His Web site is

All the best...

Bob W1PE

-----Original Message-----
From: amradio-bounces at mailman.qth.net
[mailto:amradio-bounces at mailman.qth.net] On Behalf Of SBJohnston at aol.com
Sent: Monday, December 10, 2007 6:04 PM
To: amradio at mailman.qth.net
Subject: Re: [AMRadio] Crystal Mic Elements

So far I've not found the crystal mic elements from Mouser, "Kobetone"
to be really good enough to replace the D104 element, or even the
elements in 
crystal mobile mics.  I don't think their diaphragms are big enough.  

The original D104 is prized because it has good low-end response, and a 
preemphasis rise in the upper-midrange.  You can use it with an
otherwise flat 
transmitter and get decent results without any extra EQ gadgets.    

Rather than use a sub-optimum crystal element to replace a bad D104, I'd

consider using one of the $1 consenser elements in the head and use
external EQ, 
or maybe a circuit in the base of the G-stand, to get the rising

A side note:  For a real bargain in a pro-quality mic look at the
C-1 as shown at  http://www.bswusa.com/proditem.asp?item=C-1     
$40 is *very* cheap for such a good-sounding mic.  But keep in mind its 
response is essentially flat, not like a D104, and it needs

Steve WD8DAS

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