To: | "Doug Renwick" <ve5ra@sasktel.net> |
---|---|
Subject: | [Amps] re Hammond hf amplifiers |
From: | "Fern Rivard" <crc@cyberlink.bc.ca> |
Date: | Sun, 30 Jul 2006 20:56:59 -0600 |
List-post: | <mailto:amps@contesting.com> |
Ok Doug, sorry if I overlooked in mentioning the early hf amplifiers
that Hammond Manufacturing made. Back in the 60's he had the HL-500,
HL-700 and the HL-750 and all of them I believe used the 811A series of
tubes. Now in the 1980's, they made both the HL-1000 (A) with a single
3-500Z tube and the larger unit model HL-2000 (A) with a pair of 3-500Z.
They covered 80 to 10 meters and were able to be modified for the WARC
bands. I've never owned either of those models but I do know that are
quite a few of them still around and operating. The cosmetic look of
the front panel on the HL-2000(A) is very similar to the Viewstar
PT-2500A series. Now as far as frying an egg on George's HL-1000(A), you could probably do the same in Fiji on the sidewalk if there is any out there! I do recall that the Viewstar PT-2500A with pair of 3-500Z was a real heat generator to have in the ham shack in the summer time as those glass tubes generated a lot of heat. However, I have never noticed that with my PT-3000A which uses a ceramic 8877 tube as it runs a lot cooooooler. Cheers from Fern VE7GZ ----- Original Message ----- From: "Doug Renwick" <ve5ra@sasktel.net> Cc: <amps@contesting.com> Sent: Sunday, July 30, 2006 7:31 PM Subject: Re: [Amps] Ameritron Amps
Doug/VA5DX Subject: Re: [Amps] Ameritron Amps Yes Ed, Fred Hammond was involved in the building of those Viewstar amplifiers as Fred supplied the dies to make the tuning capacitors. I recall when Paul Hivniak (not sure on spelling of his name) had a big sale on all the models especially the PT-1000 and the PT-2500 so that must have been at about the time that they shut down the canadian operations. The PT-3000A was in same cabinet as the PT-2500 amp. I'm not aware of the details as to whether Viewstar actually went under but I do know that B&W had bought the rights to them but it appears that not very many were sold then. Fern VE7GZ
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