Thanks for the correct wiring info! Problem solved there :)

Made my first SSB contact on 75M last night. Still only getting about 100 watts out. The output seems to be fluctuating after tune up.

73

Joe
WS8X

Sent from my iPhone

On Sep 14, 2010, at 11:00 AM, drakelist-requ...@zerobeat.net wrote:

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Today's Topics:

  1. Re: Saga continues... (Jim Shorney)


----------------------------------------------------------------------

Message: 1
Date: Mon, 13 Sep 2010 23:24:00 -0500
From: "Jim Shorney" <jshor...@inebraska.com>
Subject: Re: [Drakelist] Saga continues...
To: "drakelist@zerobeat.net" <drakelist@zerobeat.net>
Message-ID: <20100914042343.202fc3b3...@mail02.inebraska.com>
Content-Type: text/plain; charset="iso-8859-1"

Thanks for confirming what I had already written at the bottom of my reply below... :)

On Mon, 13 Sep 2010 23:38:23 -0400, Richard Palmer wrote:

Improper wiring could make the rig key up when plugged in. This takes out
the receive.



On Mon, Sep 13, 2010 at 9:31 PM, Jim Shorney <jshor...@inebraska.com> wrote:

On Mon, 13 Sep 2010 20:06:45 -0500, Joe Loverti wrote:

Anyone have the correct wiring method for these mics?

Still puzzles me why this would cut the rx out even wired incorrectly.

All Shure mic data sheets can be found here:

http://www.shure.com/americas/support/user-guides/all-user-guides/index.htm

I've found errors in various online wiring guides posted by well- meaning
hams. In a nutshell:

White = Audio
Red = PTT
Black + Shield = ground

Red goes to tip, white to ring, and black/shield to the shell.

A miswired mic can key a transmitter, which will give the symptom you
describe.

73

-Jim





--
Ham Radio NU0C
Lincoln, Nebraska, U.S.S.A.
TR7/RV7/R7A/L7, TR6/RV6, T4XC/R4C/L4B, NCL2000, SB104A, R390A, GT550A/RV550A, HyGain 3750, IBM PS/2 - all vintage, all the time!

"Give a man a URL, and he will learn for an hour; teach him to Google, and he will learn for a lifetime."

HyGain 3750 User's Group - http://groups.yahoo.com/group/HyGain_3750/
http://radiojim.exofire.net
http://incolor.inetnebr.com/jshorney
http://www.nebraskaghosts.org





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