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Re: K3: Problem with CM-500 plugged into front panel through AD1K

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Nr4c

Re: K3: Problem with CM-500 plugged into front panel through AD1K

The AD1K has a DC blocking cap built in. Plug it in the rear jack or use the battery box provided with the CM500 to provide bias.

...bill nr4c

Sent from my Verizon Wireless 4G LTE DROID

Stan Rowe <[hidden email]> wrote:

>Does anyone have any ideas why my Yamaha CM-500 microphone won't work when
>plugged into the front of the K3. I am using the Kenwood AD1K adapter and I
>have the firmware set to select the front panel, low gain, with bias on
>(FP.L bIAS). The CM-500 headphones are plugged into the Phones jack on the
>front of the K3 and work fine. The CM-500 mic plug (grey) is plugged into
>the corresponding jack on the AD1K. When I press my footswitch, the K3
>goes into transmit but there is no audio when I speak into the CM-500's
>microphone. I have tried the footswitch plugged in both on the back of the
>K3 and into the AD1K footswitch jack and it works fine (puts the K3 into
>transit) in both cases.
>
>
>
>When plugged into the rear Phone and Mic jacks on the K3, the CM-500 works
>like it should. In that case I have the firmware set to RP.L bIAS.and both
>the CM-500 microphone and headphones work fine, so I'm quite sure the CM-500
>is not the culprit.
>
>
>
>It almost seems like the AD1K is the problem.
>
>
>
>This must be something simple, but I am stuck. Any suggestions much
>appreciated.
>
>Thanks
>
>Stan - K6VWE
>
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Don Wilhelm-4

Re: K3: Problem with CM-500 plugged into front panel through AD1K

Bill,

Are you certain about that? Bob Heil has told me in the past that none
of his adapters have blocking capacitors.

73,
Don W3FPR

On 1/21/2014 7:50 PM, bill conkling wrote:
> The AD1K has a DC blocking cap built in. Plug it in the rear jack or use the battery box provided with the CM500 to provide bias.
>
> ...bill nr4c
>
>

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Nr4c

Re: K3: Problem with CM-500 plugged into front panel through AD1K

Well, I sure thought I read it.

Mind isn't what it used to be. I'll go back to sleep.

...bc

Sent from my Verizon Wireless 4G LTE DROID

Don Wilhelm <[hidden email]> wrote:

>Bill,
>
>Are you certain about that? Bob Heil has told me in the past that none
>of his adapters have blocking capacitors.
>
>73,
>Don W3FPR
>
>On 1/21/2014 7:50 PM, bill conkling wrote:
>> The AD1K has a DC blocking cap built in. Plug it in the rear jack or use the battery box provided with the CM500 to provide bias.
>>
>> ...bill nr4c
>>
>>
>
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>Elecraft mailing list
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>
>This list hosted by: http://www.qsl.net
>Please help support this email list: http://www.qsl.net/donate.html
>