[Amps] What to do with tubeless sweep tube FL2000 ?

Barry Kirkwood bjk at ihug.co.nz
Sun Jun 27 13:18:23 EDT 2004

Somewhere there is a website giving details of substitution of single
transmitting tube into FL series amp.

Barry Kirkwood PhD ZL1DD
Signal Hill Homestay
66 Cory Road
Palm Beach
Waiheke Island 1240
ph/fax 64-9-372-5161
----- Original Message ----- 
From: "Alek Petkovic" <vk6apk at eon.net.au>
To: <donii at sympatico.ca>; <Amps at contesting.com>
Sent: Sunday, June 27, 2004 9:37 AM
Subject: Re: [Amps] What to do with tubeless sweep tube FL2000 ?

> Dunno how feasible a voltage doubler and a couple of GI7B tubes would be.
> The tubes are cheap and it would be an interesting project.
> 73 and good luck,
> Alek
> At 05:27 AM 26/06/2004, donii at sympatico.ca wrote:
> >I've just gotten this nearly mint and hardly used FL2000 for a song. The
> >original 6KD6's are nearly new but I would like to keep them for my great
> >FT-501 with CW filter and very tired finals. Is there some type of
> >conversion the FL2000  can undergo with another type of tube(s)? It would
> >be a pity just to gut it because I stole it's tubes!  Am I barking up the
> >wrong tree? Maybe I should retube the FT-501 and use the FL2000??
> >The FL2000's  power supply gives 1200 volts dc. and I can do moderate
> >circuit modifications to accomadate one or more tubes. Maybe put a
> >circuit in the H.V. bringing it up to 2400 v. then I could put in 572's
> >something else?
> >Another question: Are the four original 6KD6's in the FL2000 matched ?
> >73's all
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