|[AMRadio] Better AM audio for a EF Johnson Messenger2|
rwpeters at swbell.net
Mon May 28 22:57:08 EDT 2007
Bow that Banana mike was a great Mike but a D-104 amplified would serve
you better...If you don't want the banana and if it is chrome in good
shape I would love to buy it from you...I collect great mikes...
Thanks Bob W1PE Dallas
From: amradio-bounces at mailman.qth.net
[mailto:amradio-bounces at mailman.qth.net] On Behalf Of Bow
Sent: Tuesday, May 29, 2007 12:54 AM
To: 'Discussion of AM Radio in the Amateur Service'
Subject: [AMRadio] Better AM audio for a EF Johnson Messenger2
Has anyone here ever played with a Johnson Messenger (or Messenger Two)
CB on 10 meters? I am looking for suggestions on how to get better
sounding audio out of the one I have. The Hardwired Crystal "Banana"
microphone is coming off ASAP and I plan on inputting audio from my rack
gear, or using a more modern dynamic microphone.
But I know this thing has to have some audio bandwidth bottlenecks.
Has anyone ever used one on the air?
The schematic is here:
For Starters, I think C24 needs to be increased to .22uf, to let some
low end through.
Any other suggestions?
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