[Amps] Alpha PA77 vs 77Dx plate choke?

[Carl]

I can get it locally around .30/ft plus gas(-;
Or just call ESS at 603-624-9600 or email  peter at esssurplus.com

Ive still plenty of T-225's on hand.

Carl
KM1H


----- Original Message ----- 
From: "Jim Barber" <audioguy at q.com>
To: "Carl" <km1h at jeremy.mv.com>
Cc: <amps at contesting.com>
Sent: Tuesday, June 19, 2012 3:24 PM
Subject: Re: [Amps] Alpha PA77 vs 77Dx plate choke?


> If I can find those T225-2's I bought from you I'll build and test one 
> that way. Good idea.
> I need to order some of that tubing, though. Amidon?
>
> 73,
> Jim, N7CXI
>
> On 6/19/2012 6:54 AM, Carl wrote:
>> Id question the 3 toroids especially if generating serious power on 160.
>>
>> A pair of T200-2A's or even T225-2A's would run cooler.
>>
>> High temp magnet wire thru Teflon tubing dramatically improves the 
>> breakdown
>> safety factor.
>>
>> Carl
>> KM1H
>>
>>
>> ----- Original Message -----
>> From: "Paul Christensen" <w9ac at arrl.net>
>> To: <amps at contesting.com>
>> Sent: Tuesday, June 19, 2012 9:15 AM
>> Subject: Re: [Amps] Alpha PA77 vs 77Dx plate choke?
>>
>>
>>>> "The toroid is (3) T200-2 iron-powder cores glued together, wrapped 
>>>> with
>>>> glass tape..."
>>>
>>> ETO used 3M #27 glass tape.  Still widely available.
>>>
>>> http://tinyurl.com/ceu967w
>>>
>>> Paul, W9AC
>>>
>>>
>>>
>>>
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>
>
>
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