[K2] KSB2 with Icom HM-12?

[Gil G.]

Hello,

Has anyone used the K2 on SSB with an Icom HM-12 microphone, and if so, how did it work?
Would the HM-12 be a good choice? (Since I already have one…)

Thanks,

Gil.
--
PGP Key: http://keskydee.com/gil.asc

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[Don Wilhelm-4]

Gil,

I have not used one, but there is not a lot of difference in
microphones.  There are basically 3 types, the Electret microphones
(which need a bias resistor), and there are high output dynamic
microphones (most Kenwood mics are in this class), and thirdly are the
low output microphones such as those using the Heil HC4 and HC5 cartridges.

The first two classes of microphones work well with the K2, but the low
output types do have problems on some bands (particularly 12 and 10 meters).

Other than the class of microphones, there is the matter of the
microphone plug pinout.
My strong recommendation is that you change the wiring of the microphone
plug to the Elecraft pinout even though the K2 has the mic configuration
header which can accommodate most any microphone plug pinout.  By
changing mic plug, you have a microphone that is dedicated to the
Elecraft mic pinout (no longer Icom).  Icom microphones are usually of
the Electret type and need a bias resistor.

If you need additional information on microphones and their wiring, go
to the website of G4WPW.  He has compiled a wealth of information about
ham microphones.  See http://homepage.ntlworld.com/rg4wpw/date.html

73,
Don W3FPR

On 10/2/2012 8:10 PM, Gil G. wrote:
> Hello,
>
> Has anyone used the K2 on SSB with an Icom HM-12 microphone, and if so, how did it work?
> Would the HM-12 be a good choice? (Since I already have one…)
>
>

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[Johnny Siu]

Hello Gil,
 
I used Icom HM36 with KSB2 before and it worked well.  HM12 and HM36 are electrically the same.  For wiring, please follow Don's suggestion.

TNX & 73,


Johnny VR2XMC

寄件人︰ Don Wilhelm <[hidden email]>
收件人︰ Gil G. <[hidden email]>
副本(CC)︰ [hidden email]
傳送日期︰ 2012年10月3日 (週三) 8:27 AM
主題︰ Re: [Elecraft] [K2] KSB2 with Icom HM-12?

Gil,

I have not used one, but there is not a lot of difference in
microphones.  There are basically 3 types, the Electret microphones
(which need a bias resistor), and there are high output dynamic
microphones (most Kenwood mics are in this class), and thirdly are the
low output microphones such as those using the Heil HC4 and HC5 cartridges.

The first two classes of microphones work well with the K2, but the low
output types do have problems on some bands (particularly 12 and 10 meters).

Other than the class of microphones, there is the matter of the
microphone plug pinout.
My strong recommendation is that you change the wiring of the microphone
plug to the Elecraft pinout even though the K2 has the mic configuration
header which can accommodate most any microphone plug pinout.  By
changing mic plug, you have a microphone that is dedicated to the
Elecraft mic pinout (no longer Icom).  Icom microphones are usually of
the Electret type and need a bias resistor.

If you need additional information on microphones and their wiring, go
to the website of G4WPW.  He has compiled a wealth of information about
ham microphones.  See http://homepage.ntlworld.com/rg4wpw/date.html

73,
Don W3FPR

On 10/2/2012 8:10 PM, Gil G. wrote:
> Hello,
>
> Has anyone used the K2 on SSB with an Icom HM-12 microphone, and if so, how did it work?
> Would the HM-12 be a good choice? (Since I already have one…)
>
>

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[Bill K9YEQ]

I believe that is the one I am using.  There are no markings but I ordered
direct from Bob Heil.  It has the full and DX positions on the mic.  I
currently use the HM-ic mic on a desk stand.  Audio reports are good after I
set up with some local hams using the xmit equalizer on both mics.

73,
Bill
K9YEQ


-----Original Message-----
From: [hidden email]
[mailto:[hidden email]] On Behalf Of Gil G.
Sent: Tuesday, October 02, 2012 7:11 PM
To: [hidden email]
Subject: [Elecraft] [K2] KSB2 with Icom HM-12?

Hello,

Has anyone used the K2 on SSB with an Icom HM-12 microphone, and if so, how
did it work?
Would the HM-12 be a good choice? (Since I already have one.)

Thanks,

Gil.
--
PGP Key: http://keskydee.com/gil.asc

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[Don Wilhelm-4]

Bill,

Sorry, but Heil did not sell the HM-12, that is a microphone only
available from Icom.

Bob Heil likely sold one of his microphones with an Icom adapter (yes,
he did offer electret microphones while complaining about Icom's - and
the Elecraft K2 - lack of adequate microphone gain).

73,
Don W3FPR

On 10/2/2012 8:43 PM, Bill K9YEQ wrote:

> I believe that is the one I am using.  There are no markings but I ordered
> direct from Bob Heil.  It has the full and DX positions on the mic.  I
> currently use the HM-ic mic on a desk stand.  Audio reports are good after I
> set up with some local hams using the xmit equalizer on both mics.
>
> 73,
> Bill
> K9YEQ
>
>
> -----Original Message-----
> From: [hidden email]
> [mailto:[hidden email]] On Behalf Of Gil G.
> Sent: Tuesday, October 02, 2012 7:11 PM
> To: [hidden email]
> Subject: [Elecraft] [K2] KSB2 with Icom HM-12?
>
> Hello,
>
> Has anyone used the K2 on SSB with an Icom HM-12 microphone, and if so, how
> did it work?
> Would the HM-12 be a good choice? (Since I already have one.)
>
> Thanks,
>
> Gil.
> --
> PGP Key: http://keskydee.com/gil.asc
>
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:[hidden email]
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
>
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
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> Post: mailto:[hidden email]
>
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> Please help support this email list: http://www.qsl.net/donate.html
>

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[Bill K9YEQ]

Gil,

 

This does require mic bias.  The manual will help you set the bias. Good
luck.

 

73,

Bill

K9YEQ

 

From: Gil G. [mailto:[hidden email]]
Sent: Tuesday, October 02, 2012 8:55 PM
To: Bill K9YEQ
Subject: Re: [Elecraft] [K2] KSB2 with Icom HM-12?

 

Thank you, that will save me $60...


Gil AK4YH.

--

PGP Key: http://keskydee.com/gil.asc

 

On Oct 2, 2012, at 8:43 PM, Bill K9YEQ wrote:





I believe that is the one I am using.  There are no markings but I ordered
direct from Bob Heil.  It has the full and DX positions on the mic.  I
currently use the HM-ic mic on a desk stand.  Audio reports are good after I
set up with some local hams using the xmit equalizer on both mics.

73,
Bill
K9YEQ


-----Original Message-----
From: [hidden email]
[mailto:[hidden email]] On Behalf Of Gil G.
Sent: Tuesday, October 02, 2012 7:11 PM
To: [hidden email]
Subject: [Elecraft] [K2] KSB2 with Icom HM-12?

Hello,

Has anyone used the K2 on SSB with an Icom HM-12 microphone, and if so, how
did it work?
Would the HM-12 be a good choice? (Since I already have one.)

Thanks,

Gil.
--
PGP Key: http://keskydee.com/gil.asc

______________________________________________________________
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