[AMRadio] Mod xmfr


Jim Wilhite w5jo at brightok.net
Mon Oct 11 20:53:55 EDT 2004


Check here:
http://www.amwindow.org/tech/htm/813/813.htm

----- Original Message ----- 
From: "Crawfish" <crawfish at surfmore.net>
To: <rbethman at comcast.net>; "Discussion of AM Radio" 
<amradio at mailman.qth.net>
Sent: Monday, October 11, 2004 7:38 PM
Subject: Re: [AMRadio] Mod xmfr


>I have info I got somewhere off the web about K1JJ's pair of 813's 
>modulated
> by a pair of 813's.
>
> Joe W4AAB
> ----- Original Message -----
> From: Rbethman <rbethman at comcast.net>
> To: Discussion of AM Radio <amradio at mailman.qth.net>
> Sent: Monday, October 11, 2004 12:07 PM
> Subject: Re: [AMRadio] Mod xmfr
>
>
>> Steve,
>>
>>     There was a series in ER (Electric Radio), by W3BYM, Tom
>> Marcellino.  He built an AM 2-813s modulating 2-813s.  It is a 
>> beautiful
>> looking and sounding rig.  Very much in the class of T-368s or 
>> BC-610s.
>> Perhaps even better!
>>
>>     If interested, I'll hunt through the collection and get the 
>> specific
>> editions for you.
>>
>> Bob - N0DGN
>>
>> StephenTetorka at cs.com wrote:
>>
>> >Hey guys:
>> >
>> >Thanks for all this education on the plate modulator for my 2 x 
>> >813's.
>> >
>> >Seems to me that:
>> >1.  current carrying capability of the wire is first;
>> >2.  turns ratio ( creating impedance ) comes next;
>> >
>> >Just how difficult would it be to make one?
>> >
>> >Our predecessors did.
>> >
>> >E/I core or over/under on one core?
>> >
>> >I understand Hypersil cores are easy to get.
>> >
>> >Might have a challenge counting high numbers...hi hi
>> >
>> >73
>> >Steve
>> >WA2TAK
>> >
>> >
>> <                      Bob Bethman - N0DGN
>> +-------------------------------+----------------------------------+
>> | N0DGN AMRadio Manassas, VA    |    REAL Tube Radio and AM 
>> |
>> +-------------------------------+----------------------------------+
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>> |
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>> |
>> | 1 BC-610I w/BC-614I,1 T-213/GRC-26 w/BC614I 1 '51 Collins 
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>> | 1 '67 EAC R-390A, Heathkit DX-60, Apache, Mohawk, SX-101, 
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>> +------------------------------------------------------------------+
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>
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