I use an Amp Supply LK-500ZB with either a DX-60 OR a TS-930SAT.
Tune for 20W carrier out of rig - tune for MAX CRAX out of Amp.
The LK-500ZB is a pair of 3-500Zs. Been running them for about 8 years,
AND they weren't new to begin with.
They do JUST fine!
I now have two BC-610s, so the other ONLY gets used when I want to
reminisce!
Bob - N0DGN
kenw2dtc wrote:
"BTW, I tuned the amp for exactly 1500 watts output, then reduced the
drive to exactly 25 watts without re-tuning the amplifier"
Actually the best way is to tune for 1500 watts out and reduce the
drive until the output is 375 watts under carrier conditions. Also if
you have one of those male voices that that will peak more in one
direction than the other (if the audio is phased correctly) you must
also de-rate the output power even more. Naturally, a scope and an
audio generator is the preferred way to tune up a linear under AM
conditions.
73,
Ken W2DTC
http://w2dtc.com/3cx3000f7.htm
--
Bob Bethman/NØDGN/BC-610/Northern Radio
SP-600 Manassas, VA - MultiBand Dipoles
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