On Sat, 21 Nov 1998 20:48:43 -0800 "Radiodan W7RF" <RFpower@radiodan.com>
writes:
>The old 2K might be worth about $450-600
>The 2K-2 about the same maybe a bit more since no meter changes
>$500-700.
>
>You can replace the 3-400Z tubes with 3-500 tubes but the sockets will
>need
>to be dropped to accommodate the increased height of the 3-500 tubes.
Not required if you use a low profile plate cap.
73 Carl KM1H
>Also a
>"bias block" diode bias will work here too.
>The 2K-3 was the first HENRY to use the "new" 3-500Z tubes from Eimac.
>Maybe
>getting a manual from that amplifier would show what the progression
>was
>from the earlier model. The 2K-3 also used solid state rectifiers.
>I am currently researching a "history of HENRY" and will have a series
>of
>WebPages on all the models from day one. This will help HENRY owners
>to
>learn more about when their amp was built and the features unique to
>that
>model.
>
>I also just bought the very first HENRY amp ever made! a 2K serial
>number
>"1". Soon I'll have that up on my site too.
>
>Also note that later 3-400Z tubes were just as high as 3-500Z tubes as
>they
>now sport a ring at the base making them the same height.
>
>73, Dan Magro W7RF, (member SCDXC, SCCC)
>Rugged, Reliable Henry HF Amps are "Instant on" for RF Power now!
>DXers/Contesters/Ragchewers get your HENRY from RADIODAN for LESS!
>***Subscribe to the HENRY reflector at www.qth.net ***
>www.radiodan.com RFpower@radiodan.com
>A trip to our web site is worth the click!
>
>
>
> -----Original Message-----
> From: owner-amps@contesting.com
>[mailto:owner-amps@contesting.com]On
>Behalf Of Jim Heath
> Sent: Saturday, November 21, 1998 8:17 PM
> To: amps@contesting.com
> Subject: [AMPS] Henry 2K and Henry 2K-2
>
>
> What is an old Henry 2K from 1964 worth? The plate current meter
>has been
>replaced with a Shurite (sure-wrong) meter. It is about a 7 out of 10.
> It
>still has 3-400z's. The plate transformer is now a Peter Dahl. There
>are
>no other mods. It even has the old 3B28's.
>
> Also, what is a Henry 2k-2 from 1972 worth? It is about an 8 out of
>10.
>It too still has 3-400z's.
>
> Any advice on converting either of these to 3-500z use is welcome.
>Neither has bias. I just happen to have some 3-500z's and no
>3-400z's.
>
> Thanks!
>
> Jim KB6SX
>
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