[BC] FM Power Amps
Mark Earle
mearle at mearle.com
Fri Jan 4 13:35:53 CST 2008
tpt at literock93r.com wrote:
>
> Experiences, anyone, with recent vintage power amps., e.g. Armstrong,
> Bext, OMB?
> Have a recent vintage FX-50 exciter; present transmitter 34 year old
> 2.5h3.
> Need 2.5 kw. for small station, BE and Crown have too high an opinion of
> themselves ( too much $$$ for the budget).
> _______________________________________________
Perhaps Eltronika units. I have a 20k transmitter made of 8 "modules"
each does 2.5k or 2.8k max as I recall. 30w drive per module.
www.n-com.com.au
info at n-com.com.au
They also have a FL distributor which I cannot find at the moment.
There are 8 transistors, each is metered as to voltage and current, and
temperature. There are 8 power supplies, all monitored and alarmed. I
have not had to mess with it much beyond cleaning dust out!
The transmitter has a MIRA 250w exciter, divided 8 ways; then 8 amp
modules, combined; a module controller, and a remote control. So far so
good at 18kw out in to a combined antenna system.
--
mwe
) )
( (
) ) You will be assimilated... oooh, coffee!!
_|****|
( | |
`|____| mearle at mearle.com
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