[DCboatanchors] [FLBOATANCHORS] Johnson Thunderbolt HF Amplifier FS
Ken Simpson, W8EK
kenw8ek at gmail.com
Thu Jan 9 13:08:56 EST 2014
Hi Jim,
After I put 1970's in the e-mail, I though I should have said 1960's.
Any way you look at it, it is vintage!
Thanks.
73,
Ken, W8EK
Ken Simpson
E-mail to W8EK at FLHam.net or W8EK at arrl.net
Voice Phone (352) 732-8400
N2EY at aol.com wrote, On 1/9/2014 12:48 PM:
>
>
> The EFJ Thunderbolt is from the 1950s, not the 1970s. It was made from
> the mid-1950s until the early 1960s.
> 73 de Jim, N2EY
> -----Original Message-----
> From: Ken Simpson, W8EK <KenW8EK at gmail.com>
> To: FLBOATANCHORS <FLBOATANCHORS at yahoogroups.com>; Dcboatanchors
> <Dcboatanchors at mailman.qth.net>; DCBOATANCHORS
> <DCBOATANCHORS at topica.com>; Boatanchors Yahoo
> <Boatanchors at yahoogroups.com>
> Sent: Thu, Jan 9, 2014 12:25 pm
> Subject: [FLBOATANCHORS] Johnson Thunderbolt HF Amplifier FS
>
>
> Johnson Thunderbolt HF Amplifier For Sale:
>
> The Thunderbolt gives continuous coverage from 2 - 30 Mhz
> and can be driven to full rated output with only about 10
> Watts of drive. It uses a pair of 4-400 tubes in the final,
> and is a real brute. Of course it is a vintage amplifier,
> from the 1970's.
>
> This particular amp came from a silent key, and I am sure
> that it has not been used for many years. That means that
> caution needs to be used in powering it up. Expect that it
> might need need new capacitors. The plate current meter
> has the lens missing and the meter scale missing, but the
> meter needle seems to move OK. Some of the front rotary
> inductor scale is missing. Otherwise, it seems to be
> complete, as best I can tell. All of the maroon knobs are
> present, and appear to be original.
>
> This unit weighs in the 100 pound vicinity, so it is pick
> up only near Ocala, FL, just off of I-75.
>
> With paper work for $350.
>
> Thanks.
>
> 73,
>
> Ken, W8EK
>
> Ken Simpson
> E-mail to W8EK at FLHam.net <mailto:W8EK at FLHam.net> or W8EK at arrl.net
> <mailto:W8EK at arrl.net>
> Voice Phone (352) 732-8400
>
>
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