[AMRadio] Thordarson T-19M17

Larry Szendrei ne1s at securespeed.us
Thu Jan 28 15:33:33 EST 2016

On 1/28/16 3:07 PM, Oliver Steiner wrote:
> Fellow AMers,
> I have a Thordarson T-19M17 Modulation transformer. I have the
> literature which tells me which terminals to connect to for my
> particular tubes and class C load. However ***which terminal number
> goes with each of the unlabeled terminals??*** There are 4 horizontal
> rows with 3 terminals on each row. Is terminal #1 the upper left
> terminal?? Does it then go left to right: 1,2,3 in the top row, 4,5,6
> in the 2nd row etc.?? I have a hand written diagram (by someone who
> previously used this transformer) which looks really strange.-It shows
> the top horizontal row as being terminal numbers 7,9,12. Going by this
> possibly erroneous info, I'm not getting B+ to the final amp, so I
> think this strange numbering must be wrong. I would be most grateful
> to receive the correct info.
Hi Ollie,

I'd think you should be able to figure it out with the literature you 
have, and an ohmmeter.


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