[Elecraft] IMD and supply voltage

Merv Schweigert k9fd at flex.com
Fri Oct 30 13:10:25 EDT 2015


Several years back I had obtained some excellent 4cx5 and
4cx10k tubes,   they were a little more juice than my house
mains power could handle,  so I sold them  ..  the pair of
4cx10k went to a ham in CA who was "upgrading" his amp
that used a pair of 4cx5K at the time,  easy upgrade since the
sockets are the same etc.
There were several 4cx10K amps in the St Louis area at that time
so its not just a CA option.
THis was before Elecraft..  so OT I suspect.
73 Merv K9FD/KH6
> NO!!!!!! Us Californian's understand dB. If you ain't increasing power in 10 dB increments, don't bother.
> Eimac made 4CX10000's based on market demand in California.
> Don't ask me how I know this...........
> JimW6AIM
>
> .
>
> -------- Original message --------
> From: Vic Rosenthal <k2vco.vic at gmail.com>
> Date: 10/29/2015  10:50 PM  (GMT-08:00)
> To: Elecraft Reflector <elecraft at mailman.qth.net>
> Subject: Re: [Elecraft] IMD and supply voltage
>
> As I think I remember, in California the limit was 1500 watts, unless you were calling an ATNO (all-time new one) in which case it was 5 kW.
>
> Vic 4X6GP/K2VCO
>
>> On 30 Oct 2015, at 12:55 AM, Doug Turnbull <turnbull at net1.ie> wrote:
>>
>> Of course this is a comparison of these two amps.   Please note that
>> 1500 Watts is only used for contests which we are allowed to use for some
>> contests in EI but not for regular operating where our power limit is 400W
>> output.
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