Chuck,
I use Bose QC25 active noise cancelling headsets. They are very comfortable to
wear for hours in a contest, much more comfortable than any “DX headset” I have
tried. They are better mechanical quality than their predecessor the QC-15 and
they fold to a smaller package for travelling. When the battery drains they
keep passing audio to the ear phones. For SSB I use the ModMic boom microphone
which attaches to the headphones using an adhesive magnet
(http://sunsdr.eu/product/modmic/ <http://sunsdr.eu/product/modmic/>). It has a
high quality electret capsule that with the proper EQ settings can mimic a HC4
capsule for SSB contests. Active noise cancel headsets are a little expensive
but well worth it, especially if you do longer sessions with phones on your
head. Passive noise cancelling headphones normally put lots of pressure to your
ears.
73 de Björn,
SM0MDG
SE0X
> On 17 Jun 2016, at 22:07, Charles Yahrling <cfytech24x7@gmail.com
> <mailto:cfytech24x7@gmail.com>> wrote:
>
> Looking for tips for headphone types for K3, CW only, so need 1/4 inch
> stereo jack.
>
> Object is to isolate from ambient noise in the shack, such as relay clatter
> from 1K-FA amp when keying.
>
> Been using a cheap set that came with Yamaha keyboard - I like how they
> attenuate hi freq band noise, but
> tend to overdrive at high audio gain levels. Main problem is relay noise,
> which throws off my keying at times.
>
> tnx in advance
>
> 73, chuck AB1VL
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