Hi Martin,
You didn't mention the rig you use with the CM-500 headphones, but if it's a
later model TENTEC (i.e. JUPITER, OMNI V11 or either of the ORION'S, you can
turn the internal keyer off from the menu and plug your PTT keyer directly into
the CW jack on the front of the rig. Another option is to run a pigtail from
your 8 pin mic connector with a standard mono jack and plug your PTT into that.
The bottom line, I've used the YAMAHA CM-500 headset on my ORION 11 for some
time now and ALL audio reports have been excellent. (as good or better than my
ELECTROVOICE RE-27@ about $450-500). Any HEIL headset at any price does not
compare in performance or value.
Anyway, just some food for thought,
HARRY ENGEL w4wst
---- Martin Sole <msole@loxinfo.co.th> wrote:
> I like the look of both the Koss and the Yamaha. I see Koss offer an inline
> volume control as an accessory and should work with all such headsets. Now
> if only someone would do an in line PTT assembly!
>
> As an aside I always wonder about long term headset use. I find most
> headsets difficult to wear for hours on end. Most become far to hot and
> heavy over a prolonged period. I would be interested to hear how users have
> found these models for long periods of use. On Ten-Tec radios of course :-)
>
> Martin, HS0ZED
>
>
>
> -----Original Message-----
> From: tentec-bounces@contesting.com [mailto:tentec-bounces@contesting.com]
> On Behalf Of Richards
> Sent: Monday, March 22, 2010 3:57 PM
> To: geraldj@weather.net; Discussion of Ten-Tec Equipment
> Subject: Re: [TenTec] Yamaha CM-500
>
> Yes... many other vendors still list it that way, also.
>
> Parenthetically, I contend the Koss SB-45 headset, with electret condenser
> mic and closed earphone receivers, is the equal or better of
> the Yamaha CM-500 headset. I say this after using both on the same
> Omni VII and comparing sound recordings sent to me from other operators.
>
> Similarly, I like the open air earphone receivers of the Sennheiser
> PC-121 headset - also with a great microphone element for the price - are
> just as good, and provide a good quality for a fairly low price.
>
> That provides an alternative. I purchased some connector adapters from a
> guy on the internet... and now I have a set of adapters for nearly any rig
> using an 8 pin connector I might encounter in the field.
>
> As these are also electret condenser computer type microphone elements, the
> run hot, and you may wanna reduce hardware gain to give the AGC the proper
> room to breathe in.
>
> Just my take.
>
> ================== James -K8JHR ===========================
>
>
> On 3/22/2010 4:23 AM, Dr. Gerald N. Johnson wrote:
>
>
> > I paid $45 delivered from Sam Ash Music last August. Their web page
> > still shows that price and that its a dynamic microphone.
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