On 3/21/2010 11:51 PM, Richards wrote:
> Yes -- I have also used this headset - but on an Omni VII at a friend's
> contest station. It IS an electret... but I believe it WAS a dynamic mic
> in the early going. Compare it with the Koss SB40 and you will see
> it is the same set, but the Koss model is STILL using the dynamic mic
> element, whereas the Yamaha folks updated it along the way to
> an electret type and various vendors have yet to update the product
> data in all cases.
I recall the packaging had something about NEW ELECTRET MICROPHONE.
>
> It is a very HOT mic element. You may need to turn down any hardware
> gain to allow the AGC to work its magic in the proper ranges.
>
> Earphones work swell for the purpose.
>
> In contrast, at my home station, I typically use a Shure SM-2 headset
> for closed earphone use, or a Sennheiser HMD-46-5 headset for open
> air earphone use. Both are more conformable, durable and sound
> better (both mic and earphone receivers,) but YOU CANNOT BEAT
> the approx $50 street price of the Yamaha set. It is a real good value.
I paid $45 delivered from Sam Ash Music last August. Their web page
still shows that price and that its a dynamic microphone.
>
> The Yamaha set was used by five contestants for 40 hours straight,
> and no one said anything negative about the headphones. We made
> over 1200 contacts in that time during the 160 meter SSB contest.
>
>
> Just MY take.
>
> ================= K8JHR =====================================
>
73, Jerry, K0CQ
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