[TenTec] Yamaha CM-500

[Steven Keene]

I built an interface circuit and use the Yamaha CM500 on my Orion II, it
works very well. As K9YC stated it is an ELECTRET mike not a DYNAMIC mike
and does require a bias circuit.  

-----Original Message-----
From: tentec-bounces at contesting.com [mailto:tentec-bounces at contesting.com]
On Behalf Of w4svo
Sent: Sunday, March 21, 2010 4:49 PM
To: tentec at contesting.com
Subject: [TenTec] Yamaha CM-500

I an wondering if anyone has tried using this headset with the Orion?
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