HA-14 amplifier

[Keith Rowland]

Allan:

What you have is a 1 KW ampthat is very much like the Heath SB-200,
except it has no built-in power supply.  They made it basically for
mobile use, but sold both a mobile power supply (HP-14) and a 120-volt
AC supply for fixed use ((HP-24). The HA-14 sold for $99.95 from 1965 to
1968.  The HP-14 power supply was $89.95, and the HP-24 was $49.95.

It has a broadbanded tuned input, covers 80-10 meters, and requires
2000-volts DC at 500-ma. for the 572B or T160L plates, negative 110 VDC
for the T/R relay, and 12.6 volts either AC or DC at 4-amps for the
filaments.  The SSB duty cycle is 50%.

These don't show up very often, at least not in good condition, so what
you have is quite scarce.  I would recommend getting a manual before
trying to operate it.

Hope this info is of use.

73, Keith



Allan Cameron wrote:
>
> I'm the sponsor of the Carl Hayden High School amateur radio club.  A lady
> donated some amateur radio equipment from her father's estate.  We are now
> the owner's of a Heathkit HA-14 SSB amplifier and the matching power supply.
> It's kinda small: 12"x12"x4" or so.  It has a pair of Amprex 572B/T160L tubes.
> Does anyone know anything about it? Driver power, output power, value?
> Thanks,
>
> Allan, N7UJJ
>
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