[AMRadio] Viking II Audio Mod Question: Thanks

Jay Bromley w5jay at alltel.net
Thu Jan 31 11:33:12 EST 2002


buzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz

73 de jay.. :-)


----- Original Message -----
From: "Freeberg, Scott (STP)" <Scott.Freeberg at guidant.com>
To: <amradio at mailman.qth.net>
Sent: Thursday, January 31, 2002 9:54 AM
Subject: [AMRadio] Viking II Audio Mod Question: Thanks


> One of the list members, and I would like to tell who it was but I've
> misplaced the email, suggested I check to see if its the Ranger or Valiant
> audio circuit.  By golly it is.  It is the 1st and 2nd audio amplifier and
> the 12AU7 driver circuit.  It is not using the clipper or 6U4.  There are
a
> few resistor & cap value differences which will change the audio frequency
> characteristics but it is definately the Valiant circuit.
>
> Now I won't debate the goodness or 'badness' of this mod because I don't
> personally know how good it is.  I will troubleshoot it tonight and to
find
> out why its not working and see what it sounds like.
>
> You know, original radio's can have good audio all by themselves.... Uh
oh,
> I can hear the hornets buzzin now  :^)
> I wuz on 75 AM last night and talked to a fellow with a stock Viking 500
and
> it sounded great.
>
> Thanks to all who provided help in figuring out this audio mod. See you on
> 75.
>
> 73,  Scott WA9WFA in Saint Paul Minn
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>





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