[NJARC] Motorboating

[Joe Cro]

Steve,
          Are all your tube shields in place? Just curious. I've had 
problems with motorboating before with sets that have missing tube shields.

Regards,
             Joe Cro N3IBX

----- Original Message ----- 
From: "Stephen TETORKA" <sgt88 at optimum.net>
To: <njarc at mailman.qth.net>
Sent: Monday, January 19, 2015 9:57 AM
Subject: [NJARC] Motorboating


> Just remember
> Reply = Poster
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>
> _________________________________________________________
> Hi Guys:
>
> My Philco 116 has 'motorboating' from the speaker.
>
> It's the 'thud - thud' popping.
>
> What is causing this?
>
> Tnx,
> Steve T.
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