Drake L-7.
Rich NN3W
--- Original Message ---
From: "Alfred J. Frugoli (KE1FO)"
<frugoli@worldlinkisp.com>
To: "amps@contesting.com," <cq-contest@contesting.com>
Subject: [CQ-Contest] Contest amps under $1000
>What amps are out there on the used market fur under
$1000 that are sufficie=
>nt for contest service (i=2Ee=2E occational high swr
due to tx into wrong an=
>tenna at 3am, easy to tune etc=2E)
>
>I've investigated several amps already, and here are
my thoughts=2E =20
>
>SB-220
>If driven hard can get close to 1=2E5kw output but it
was only designed for =
>1kw input cw and 2kw input ssb=2E Tubes are easy to
come by=2E Possible VH=
>F parasitic issues, although if operated within specs
these issues are demin=
>ished=2E No 160
>
>TL-922
>Similar to SB-220 except cost is higher - worth the
extra 300-400$?
>
>MLA2500
>Good solid amp=2E Again, claims of 1=2E3kw out in
some places, but designed=
> for 1kw input, not output rating=2E 8875 tubes very
expensive if they can =
>be found at all=2E Can convert to 4cx400 or 3cx800
but I'm not an experienc=
>ed builder and the directions for these conversions
make my head spin=2E
>
>Alpha 374
>No 160 (unless it's an A model)=2E Not much out
there on this amp, except t=
>hat those who have them seem to like them=2E
Bandpass tuning is a nice feat=
>ure and could come in handy in a so2r situation=2E
8874 tube is still avail=
>able=2E
>
>Al-80/SB-1000
>Decent amp=2E Tube easily available=2E Can produce
1kw if pushed=2E Forgi=
>ving of mistuning or mismatch=2E Easy to tune=2E I
currently have an al-80=
> and like it=2E
>
>All of these amps were manufactured during the days
when "legal limit" was 1=
>kw input and therefore will give up about 1 s unit to
todays "legal limit" o=
>f 1=2E5kw output=2E Are there any higher power
output amps in the under $10=
>00 class?
>
>Thanks in advance for your comments and opinions=2E
>
>73 de Al, KE1FO
>
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contest
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