[TenTec] Yamaha CM-500 boomset use with Orion II? ATTN K9YC

[Rodney]

IF YOU WANT A GOOD HEADSET CONTACT W4WST HE MAKES A HEADSET TO FIT YOUR 
RADIO JUST GET ONE AND PLUG IT IN SOUNDS GREAT JUST LISTEN TO HIM  ON 3938 
AT 7PM OR 730PM

-----Original Message----- 
From: amsctalx at comcast.net
Sent: Friday, December 09, 2011 3:32 PM
To: k9yc at arrl.net ; Discussion of Ten-Tec Equipment
Subject: Re: [TenTec] Yamaha CM-500 boomset use with Orion II? ATTN K9YC

I built a simple interface, with a 10db divider (pad), didn't work. Did some 
more searching, turns out the CM-500 is an electret (despite many sites 
listing it as dynamic). Ah-ha! Wired bias to the ring, now I have a tiny 
(and tinny) output with a lot of hiss. Should I try biasing to the tip and 
or should I try a dropping resistor?

Thanks,


Mike Alexander - N8MSA

amsctalx at comcast.net

----- Original Message -----
From: "Jim Brown" <k9yc at audiosystemsgroup.com>
To: tentec at contesting.com
Sent: Tuesday, December 6, 2011 1:50:59 PM
Subject: Re: [TenTec] Yamaha CM-500 boomset use with Orion II?

On 12/6/2011 10:47 AM, Dan Thompson wrote:
> but will
> require some padding or you'll need to turn the Orion's mic gain way down
> since its output is much higher than most other mics.

That's also true with the FT-1000MP. I made up an adapter for a DX
trip, and tested it before leaving. I WAS able to turn the mic gain down
low enough to avoid distortion. Dunno about the Orion, but I'd guess
the answer is the same.

73, Jim K9YC
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