[Amps] Tube Amps as Antenna Tuners

Roger (Sub1) sub1 at rogerhalstead.com
Wed Jan 26 17:10:51 PST 2011


On 1/26/2011 5:05 PM, Pete Smith wrote:
> I'm really spoiled by my SB-220 -- I can use my 80m antennas that are
> cut for the CW end all the way up to 3.9 MHz at least (with indicated
> SWR over 3:1) just by tuning for maximum out.  Same on 40.  I understand
> that few if any modern amps have this wide a tuning range, unless they
> incorporate an auto antenna tuner as I think the Acom 2000A does.
>
> Are there any exceptions?  For example, will any of the Ameritron tube
> amps handle this situation?
Don't know about the Ameritron but the Emtron amps are likely capable.

73

Roger (K8RI)
> 73, Pete N4ZR
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