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Re: [Amps] IC-2KL 80m toroid value

To: "Jim Brown" <>, <>
Subject: Re: [Amps] IC-2KL 80m toroid value
From: "Carl" <>
Date: Wed, 28 Oct 2009 12:48:29 -0400
List-post: <">>
Im not aware of them using ferrites in that amp as it is bandswitching with 
bandpass filters which by definition are usually powdered iron. The 10M kit 
I added for a customer in the early 80's certainly used powdered iron and so 
did the rest if I remember by the turns counts and fixed caps used.


----- Original Message ----- 
From: "Jim Brown" <>
To: <>
Sent: Wednesday, October 28, 2009 11:46 AM
Subject: Re: [Amps] IC-2KL 80m toroid value

> On Mon, 26 Oct 2009 18:54:05 -0700 (PDT), Brian Moran wrote:
>>A local ham in our club has an Icom IC2KL with a cooked 80m toroid.
> Where is this coil in the circuit?  In the input or the output?  How
> is it "cooked?" Has the wire open circuited?  Has the core cracked?
> Fair-Rite is the mfr of most ferrite materials sold in NA. Their #61
> material and #67 material are the ones that have low loss at HF, so
> they are the ones you would want to use if the coil is seeing much
> power.
> 73,
> Jim K9YC
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