[Elecraft] Microphone Qusestion

[Bob McGraw - K4TAX]

Thanks to all for the info.

Wiring the XLR for the mike;
pin #1 as ground/shield,
pin #2 mike high,
pin #3 as mike low.

To the radio 8 pin connector;
pin #1 as mike high,
pin 7 as mike low,
pin #8 as ground.

For what its worth, I use a three conductor shielded cable and thus 
shield is connected at one end only.


73 Bob, K4TAX


On 7/6/2015 4:58 PM, Joe Subich, W4TV wrote:
>
> Assuming there has been no change from the late K3, pins 7 and 8 are
> both connected to circuit board common.  Since the K3/K3S front panel
> mic jack is generally compatible with Kenwood (except for the reversal
> of pins 5 and 6), most folks treat pin 7 as mic return and pin 8 as
> shell/ground/chassis.
>
> 73,
>
>    ... Joe, W4TV
>
>
> On 2015-07-06 4:20 PM, Bob McGraw - K4TAX wrote:
>>
>> While I don't have my new K3S radio yet, I did print the Owners Manual.
>> It shows the MIC audio connection to be pin #1 as MIC audio, pin #7 as
>> GRD, and pin #8 as GRD.  My question, are pins #7 & #8  the same or is
>> one analog ground and one chassis. ground. If so, which is analog ground
>> and which is chassis ground?   I'm making a mike cable XLR to 8 pin.
>>
>>
>> 73 Bob, K4TAX
>>
>>
>> On 7/5/2015 11:49 AM, Jim Brown wrote:
>>> On Sun,7/5/2015 7:06 AM, Joe Subich, W4TV wrote:
>>>> The Heil PR-781 is grossly overpriced. Any quality dynamic mic will
>>>> work very well with the K3/K3S.
>>>
>>> Right on both counts. Because I'm retired from pro audio, I have a
>>> closet full of pro mics. All of the dynamic mics work very well with
>>> the K3. Before one of the guys in our club introduced me to the CM500,
>>> I used an RE11 on a boom stand from my music recording stash. I also
>>> own two Sony MDR7506 headsets, which I no longer use in the shack
>>> because the CM500 is so good.
>>>
>>> The TX EQ built into the K3 is quite capable, and is all that is
>>> needed to tailor TX audio to a mic and a voice. An external equalizer
>>> is a waste of money. All it takes to use any dynamic mic with a K3 or
>>> K3S is a suitably wired connector or connector adapter cable. For a
>>> pro mic with an XL-connector, wire pin 2 to the mic input, pin 3 to
>>> mic return, and pin 1 to the connector shell. Or if you have a two
>>> wire cable (center plus shield), wire pin 2 to the center conductor
>>> and to mic input, tie 1 and 3 together to the shield, and connect to
>>> the K3 connector shell.
>>>
>>> 73, Jim K9YC
>>>
>>>
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>>
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