Ill take a look at my 77 schematics later and see if I can find a value. In
the mean time the parts list states:
INDUCTOR (TOROID) 80m TRIPLE CORE ACX-X136 L5
Carl W9LF
-----Original Message-----
From: Amps <amps-bounces@contesting.com> On Behalf Of Michael Tope
Sent: Tuesday, December 3, 2024 6:20 PM
To: amps@contesting.com
Subject: Re: [Amps] Alpha 77dx L5 help
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You might try checking with John KF6I at Island Amplifiers. He services Alpha
legacy products:
https://islandamplifier.com/
I agree that the material is very likely to be iron powder. If so, there is a
good chance Micrometals is the manufacturer:
https://www.micrometals.com/
73, Mike W4EF......................
On 12/2/2024 7:18 PM, Greg Wasik wrote:
> I have a friend in Thailand who recently zorched out L5 in his 77DX.
> Believe it or not, a small lizard got into the tank circuit and when
> he was tuning on 80 meters, L5 got extremely hot - to the point of
> cracking both of the torroidal cores! Does anyone know what specific
> cores were used or if not, what the approximate value of inductance
> that L5 should be? I assume these are iron powder cores. I'm trying
> to help him remotely or perhaps send him a replacement
>
> Greg
> K1YW
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