Eric
Eric
Bob Heil needs to be straightened out on this since he's telling people to
buy the Yaesu adapter. Personally I think there's a market here for a desk
mic. with Elecraft's name on it.
Steve Ellington
[EMAIL PROTECTED]
----- Original Message -----
From: "Eric Swartz - WA6HHQ, Elecraft" <[EMAIL PROTECTED]>
To: <[email protected]>
Sent: Thursday, August 07, 2008 12:33 PM
Subject: Re: [Elecraft] K3 Heil Adapter, which one?
I'd like to clarify this point.
Starting with the K2 in 1998, we designed our 'Elecraft Standard' 8 pin
microphone connector to be compatible with the Kenwood -Dynamic-
microphone pin out that is used on their HF radios, which represents the
vast majority of 'Kenwood' style microphones out there. (Especially in
1998.) The other pins referred to below are only used for the electret
element versions of the Kenwood microphones, which we intentionally did
not design for. We never intended to work on every possible microphone
combination used on Kenwood radios.
I think the confusion on this issue arose when people started trying to
use microphones that Kenwood sells on its VHF/UHF radios, some of which
are of the electret variety and require power/bias on a separate pin. We
never intended to be directly pin compatible with those microphones, since
we were targeting the HF market. (It is quite easy though to modify the
connector pin out on those mics to get the required voltage from the K3.)
It should also be noted that most radio manufacturers have a microphone
pin out that is unique to their product line. We broke this mold by
picking what we felt was a widely used pin out for dynamic microphones to
widen the usability of the K2 and subsequently the K3. This immediately
opened up a wide range of mics for immediate use on the K2/K3 (-and-
reduced our direct microphone sales).
In any case, to help clarify this in the future, we'll start reworking our
K2/K3 documentation to use the phrase 'generally pin compatible with
Kenwood -dynamic- microphone pin outs.' ;-)
73, Eric WA6HHQ
----
P.S. Yes, the 'Kenwood' Heil adapter is the correct one to use with their
microphones and our rigs.
Charles Harpole wrote:
Elecraft K3 front mic socket (8 pin) is basically Kenwood standard, but
Elecraft forgot to check the full pin-out and mistakenly reversed two
pins that are used only on Kenwood hand mics and others not usually in
the HF ham shack. Do beware of this fact. Altho it does not affect the
Heil Kenwood adapter.
Charles Harpole
[EMAIL PROTECTED]
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