Posted by
Dick Dievendorff on
Feb 24, 2010; 5:06am
URL: http://elecraft.85.s1.nabble.com/headset-question-tp4623692p4623807.html
You have a couple of choices.
If you prefer front panel connections, you'll probably want a Heil Sound
AD-1K adapter or make up an equivalent. The AD-1K adapter has a 8-pin
Foster plug that connects to the K3 front panel microphone connector, and
has a 1/4" phone jack for your footswitch and a 3.5mm jack for your
microphone connector. The Yamaha CM500 headset comes with a 3.5mm stereo
phone plug with a 1/4" adapter "sleeve", and you'd use that adapter to plug
into the K3's front panel headset connector.
This is a "traditional" front panel arrangement. Some prefer this
arrangement because it's easy to pull the headphone plug out to enable the
radio's speakers.
Others prefer the "clean front panel" arrangement where the headset
connectors are all on the back. You remove the 1/4" "sleeve" from the Yamaha
CM500 headphone plug and plug the 3.5mm microphone and 3.5mm headphone
connectors into the K3 back panel mic and phone jacks.
There are a couple of versions of Heil footswitch. The current FS-2 has two
wires, one with a 1/4" phone plug and another with an RCA plug. If you have
the FS-2, you might plug its RCA plug directly into the K3's back panel PTT
RCA jack.
If you have the older Heil FS-1 which has just a 1/4" phone plug, you'll
need to replace that plug with an RCA plug, or find or create a small
adapter that has a 1/4" phone jack to an RCA plug. The K3 back panel PTT
jack is an RCA jack.
If you use the "clean front panel" arrangement, you can enable the radio's
speaker by changing the K3 configuration menu "SPKR+PH" to enable both the
headphones and speaker at once, and you can set up "macro" functions to turn
that on and off if you prefer pressing a front panel button. Or you can
reach around and unplug the headphone connector from the back panel.
PTT is also available on the K3 back panel 15-pin accessory connector, so if
you're planning to wire that yourself, you might include a 1/4" phone jack
as part of your plan.
I prefer the "clean back panel" arrangement, my headphones and radio PTT
actually are connected through a microHAM SO2R control box. I use the Yamaha
CM-500 headset, as well as several Heil products depending on my mood. I
like to change headsets from time to time during contests to change the
pressure points. During a CW contest I'll sometimes use an "extreme
isolation" headset or a very comfortable old pair of Sony V6 headphones.
73 de Dick, K6KR
-----Original Message-----
From:
[hidden email]
[mailto:
[hidden email]] On Behalf Of Paul Milward
Sent: Tuesday, February 23, 2010 8:30 PM
To:
[hidden email]
Subject: [Elecraft] headset question
Hi guys,
I recently ordered a K3 and eagerly await it's delivery. You will likely
hear lots more from me as I attempt to get up to speed with it.
I have been reviewing the archives of this group and see that the Yamaha
CM500 is highly regarded. I plan to purchase one very soon.
I have the K3 manual open to page 17 (the pdf from Elecraft website). It
looks like the stero headset plug goes into the jack marked "phones', the
mic plug goes into the jack marked "mic" and a foot switch plug goes into
the jack marked "PTT IN"
Now for my question. I have a Heil footswitch and plan to use it for PTT. Is
the configuration I described correct? If not, how is headphone/mic and
footswitch connected?
TIA and 73
de Paul, NU4C
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