My first transmitter was DX60. It ran 90 watts input power and about 60
watts output from a single 6146 on CW.
Carl Moreschi N4PY
121 Little Bell Drive
Bell Mountain
Hays, NC 28635
----- Original Message -----
From: "Dr. Gerald N. Johnson" <geraldj@storm.weather.net>
To: <tentec@contesting.com>
Sent: Tuesday, July 29, 2008 8:24 PM
Subject: Re: [TenTec] OT Antenna Tuners
> On Sat, 2008-07-26 at 18:29 -0700, Jim WA9YSD wrote:
>> I believe Heath Kit made a bifilar wound open air coil, and it use to
>> match 4:1, 50 to 300 or 75 to 450 ohms coil.
>
> But those impedances are 6:1, not 4:1.
>
>> Thats before Ferrous type cores were used for you young folk. It was
>> installed in series, at the output of the TUBE transmitter, like a DX 60.
>
> The DX-60 would load up practically anything including the open coax
> connector. It wasn't nearly as picky as modern SSB gear.
>
>> I do not remember the power rating of it. I use to have one.
>
> I'm sure I have Heathkit catalogs with it in them.
>
>> Not sure if it had issues on 10 meters or not. Coil was about 8 inches
>> long. about 2 or 3 inches in diameter. No capacitors, but its been too
>> long ago.
>>
>> Keep The Faith, Jim K9TF/WA9YSD
>>
> 73, Jerry, K0CQ
>
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