[Amps] plexiglas isolation in coils

[RICHARD GEORGE]

I can remember years ago the same things being said about Heathkit, now they are no more. We should try and support an American manufacture and not slam all there products. When they are gone who will be left?
  ----- Original Message ----- 
  From: Bob Maser<mailto:bmaser at tampabay.rr.com> 
  To: Tom W8JI<mailto:w8ji at w8ji.com> ; dezrat at copper.net<mailto:dezrat at copper.net> ; amps at contesting.com<mailto:amps at contesting.com> 
  Sent: Friday, July 28, 2006 9:41 AM
  Subject: Re: [Amps] plexiglas isolation in coils


  Mighty Fine Junk that Ameritron.  I don't know why you guys buy that s--t. 
  Don't give me that "good amp for the price" speech because it makes Heathkit 
  amp owners mad cuz they have do have a great amp for the price and MFJ 
  doesn't come close to Heathkit.

  Bob W6TR
  ----- Original Message ----- 
  From: "Tom W8JI" <w8ji at w8ji.com<mailto:w8ji at w8ji.com>>
  To: <dezrat at copper.net<mailto:dezrat at copper.net>>; <amps at contesting.com<mailto:amps at contesting.com>>
  Sent: Friday, July 28, 2006 12:11 PM
  Subject: Re: [Amps] plexiglas isolation in coils


  >> I can confirm it is more than "apparently". I owned an
  >> AL-1200 which
  >> twice had the plastic coil supports let go while running
  >> at full
  >> power, once on 80 meters and once on 160 meters, both
  >> RTTY.
  >>
  >> I sold the rig to a non-RTTY op and as far as I know he is
  >> happy with
  >> it.
  >
  > The AL12 series bower was downsized after the first six
  > months of production because no one wanted a high speed
  > blower. On SSB and CW the change wasn't an issue.
  >
  > If people read the manual, which few do, they would see a
  > higher speed blower is available or as an option the inlet
  > could be pressurized with a booster fan.
  >
  > We use an AL1200 in 160 CW contests and with two rigs (there
  > is a voting system that allows only one TX at a time to
  > transmit) the amp runs virtually continuously on CW. There
  > isn't an issue if the manual is followed. Mine uses the
  > stock blower set on high speed and has a booster fan on the
  > inlet.
  >
  > What critics (especially those who never have built a
  > commercial product or been in any type of amateur radio
  > manufacturing) is amplifier noise is a much bigger issue
  > than RTTY operation, so the compromise is set according to
  > end use. The amateur market is entirely different than a
  > commercial market, both in margins and what users expect.
  >
  > It's pretty easy to pick apart any product that is design
  > driven to meet a certain market.
  >
  > 73 Tom
  >
  >
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