[AMRadio] Thordarson 83d21 driver transformer


Mike Dorworth,K4XM k4xm at arczip.com
Sun Sep 4 15:07:54 EDT 2005


T-8321 Line to P.P. grids of 46, 210, Class B, etc. 500 ohms to 5100 ,
ratio1:3.2 . 2 lbs. also 500 to 12,5000 ohms, ratio 1:5. 3 inches high 2.5
inch wide 2.5 inches deep , mounting centers 2.7/8 inches.  from Catralog
#400
----- Original Message ----- 
From: "Mark Foltarz" <Foltarz at rocketmail.com>
To: <amradio at mailman.qth.net>
Sent: Sunday, September 04, 2005 2:46 PM
Subject: [AMRadio] Thordarson 83d21 driver transformer


> Looking for specs on a 83d21 driver transformer. I think it is 500 ohm
line to
> PP Grid. However, I am not sure. Hoping to drive a pair of 811s
>
> Tnx
>
> de KA4JVY
> Mark
>
>
>
>
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