[Elecraft] K3 - Rear panel mike socket; stereo or mono?

[n4lq]

Normally a computer mic. has a condenser element and requires DC bias via 
the mic. jack. Don't use a mono adapter. Set your menu for rPH bias. The 
'mono' label is tricky. I think it means that the mic. audio is mono but not 
the jack.
Steve Ellington
N4LQ at insightbb.com
----- Original Message ----- 
From: "stewart rolfe" <gw0etf at btinternet.com>
To: <elecraft at mailman.qth.net>
Sent: Monday, September 01, 2008 4:26 AM
Subject: [Elecraft] K3 - Rear panel mike socket; stereo or mono?


> Been trying out a pc type headset with boom mike and a
> 3.5mm stereo plug on the mike lead. Having what I like
> to think of as a logical mind(?), I made up a 3.5mm
> stereo to mono adapter to plug into the socket on the
> rear of the K3 which is labeled 'mono'. This 'sort of'
> worked but kept losing the connection intermittently.
> The adapter plug did seem to be a bit of a loose fit
> which caused me have a closer look at the KIO3
> analogue board and I noticed that the mono mike socket
> appeared to be a stereo type with presumably, just the
> tip connected.
>
> Anyhow I just plugged the stereo plug from the boom
> mike straight into the 'mono' socket and it works
> fine, better fit too. Can't find any mention of this
> in the manual so wondering if the use of a stereo plug
> is the recommended way...?
>
> 73,
>
> Stewart Rolfe, GW0ETF (K3 145)
>
> PS. The VOX on the K3 is a joy to use.....
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