Yamaha C500, 'modified' to take a Heil insert.
Steve
GW4BLE
Sent from my iPhone 5S
> On 26 Dec 2014, at 17:55, Jim Brown <k9yc@audiosystemsgroup.com> wrote:
>
>> On Fri,12/26/2014 8:52 AM, Joe wrote:
>> If you use one, What one?
>
> Yamaha CM500.
>
>>
>> If you had to, would you buy it again?
>
> YES!
>
> This is a VERY comfortable headset that I can wear for as much of a long
> contest as I can sit in the chair (my best recent BIC time was 32 hours for
> CQWWCW). Both headphones and mic sound VERY good. Cost is about $60. It is
> an electret mic, so it needs bias. It plugs directly into the rear panel of a
> K3. For other rigs you'll need to make a simple cable adapter that mates the
> 1/8-in plug to the mic connector on the rig, and add a low watt 5.6K resistor
> inside the plug between V+ and the mic audio pins.
>
> The only downside is that this is a consumer product, the cable is a wear
> item, and is not replaceable.
>
> 73, Jim K9YC
>
> 73, Jim K9YC
>
>
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