wiring motorola amplified speaker for K2

[Tim Logan]

I know some of you have used Motorola amplified speakers.....I have one
and the one thing is not clear. Two of the wires are referred to as
"audio up" and "audio down". The remaining 3 wires are for power supply
and squelch......not sure how the two audio wires and "squelch" would
get connected to a speaker jack for the K2......does this wiring
resemble anyone's and if so how did you rig up the speaker? Thanks in
advance.

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[Lutz Pflughaupt-2]

Am Sonntag, 20. Februar 2005 00:44 schrieb Tim Logan:
Hi all
i´m using a NSM6054A and it works great.
Wiring:
orange/red   +12V
black/brown ground
white             AF ground
blue               AF input
green           squelch   connected to +12V means squelch off
good luck de Lutz DL7AVC

> I know some of you have used Motorola amplified speakers.....I have one
> and the one thing is not clear. Two of the wires are referred to as
> "audio up" and "audio down". The remaining 3 wires are for power supply
> and squelch......not sure how the two audio wires and "squelch" would
> get connected to a speaker jack for the K2......does this wiring
> resemble anyone's and if so how did you rig up the speaker? Thanks in
> advance.
>
> _______________________________________________
> Elecraft mailing list
> Post to: [hidden email]
> You must be a subscriber to post to the list.
> Subscriber Info (Addr. Change, sub, unsub etc.):
>  http://mailman.qth.net/mailman/listinfo/elecraft
>
> Help: http://mailman.qth.net/subscribers.htm
> Elecraft web page: http://www.elecraft.com

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[Charles Bland]

Tim,

These speakers were designed to be driven by balanced audio. That's why the
audio input names are a bit unusual. The squelch line was designed to mute the
speaker, as was pointed-out in an earlier posting.

I have had some trouble with mine being sensitive to RFI. I haven't got it
licked yet, but I'm still trying.

Chuck
n6dbt
#1924


Note Tim Logan's stunning brilliance and Chuck's apt reply (gack!)

Date sent:       Sat, 19 Feb 2005 16:44:21 -0700
From:           Tim Logan <[hidden email]>
To:             Elec-Reflector <[hidden email]>
Subject:         [Elecraft] wiring motorola amplified speaker for K2

> I know some of you have used Motorola amplified speakers.....I have one
> and the one thing is not clear. Two of the wires are referred to as
> "audio up" and "audio down". The remaining 3 wires are for power supply
> and squelch......not sure how the two audio wires and "squelch" would
> get connected to a speaker jack for the K2......does this wiring
> resemble anyone's and if so how did you rig up the speaker? Thanks in
> advance.
>
> _______________________________________________
> Elecraft mailing list
> Post to: [hidden email]
> You must be a subscriber to post to the list.
> Subscriber Info (Addr. Change, sub, unsub etc.):
>  http://mailman.qth.net/mailman/listinfo/elecraft   
>
> Help: http://mailman.qth.net/subscribers.htm
> Elecraft web page: http://www.elecraft.com

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