[AMRadio] Mod xmfr
Crawfish
crawfish at surfmore.net
Mon Oct 11 20:38:15 EDT 2004
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 |
> +-------------------------------+----------------------------------+
> | Manassas Radio - Home of Homemade Kielbasa & Pirogi |
> +-------------------------------+----------------------------------+
> | Bob Bethman \\\|/// " The absence of a danger |
> | rbethman(at)comcast.net \\ ~ ~ // signal does *NOT* mean |
> | (/ @ @ /) that everything is OK " |
> +-------------------------oOOo-(_)-oOOo----------------------------+
> | <http://home.comcast.net/~rbethman> |
> | 1 BC-610I w/BC-614I,1 T-213/GRC-26 w/BC614I 1 '51 Collins R-390A |
> | 1 '67 EAC R-390A, Heathkit DX-60, Apache, Mohawk, SX-101, HT-32A |
> +------------------------------------------------------------------+
> | Amateur Astronomer - Celestron Nexstar 8 |
> | 12" f5 Dob coming soon! Being built |
> | Meade ETX-60 (Got it back!) |
> | 38 Deg 46.8' N - 77 Deg 28.5' W |
> +------------------------------------------------------------------+
> | Opinions expressed are that of my own and do not necessarily |
> | coincide with or represent those of ANYONE else |
> +------------------------------------------------------------------+
> ALL E-mail received and sent scanned by AVG & Norton Anti-Virus>
>
>
> ______________________________________________________________
> AMRadio mailing list
> Home: http://mailman.qth.net/mailman/listinfo/amradio
> Help: http://mailman.qth.net/mmfaq.html
> Post: mailto:AMRadio at mailman.qth.net
>
More information about the AMRadio
mailing list