[Boatanchors] SWEEP TUBES AND FPM 300S
WA5VGO
hbrnut at suddenlink.net
Tue Jan 12 11:19:00 EST 2016
Exactly which radios didn't meet their specified power? I've used a lot of them and never found one that didn't.
As far as horizontal output tubes are concerned, they work superbly as medium power modulator tubes. Low distortion and tremendous reserve emission at relatively low voltages.
Darrell
> On Jan 12, 2016, at 7:34 AM, Bry Carling <af4k at hotmail.com> wrote:
>
> So Rob, you obviously feel quite strongly about this.
>
> Are you saying that all those 1960s amateur SSB transceivers with 500 watts p.e.p. promised by the
> manufacturers, and requiring AC line power of 120 Volts 60Hz at only 3 amps couldn't really produce 800 watts? Why that would be just downright dishonest of them - grin!
>
>> Date: Mon, 11 Jan 2016 12:04:59 -0600
>> From: ranchorobbo at gmail.com
>> To: boatanchors at mailman.qth.net
>> Subject: Re: [Boatanchors] SWEEP TUBES AND FPM 300S
>>
>>> On Mon, Jan 11, 2016 at 2:23 AM, Dennis DuVall <duvallddennis at gmail.com> wrote:
>>> Overall, I would say sweep tubes were a great gift to the Ham community.
>>>
>>
>> they were employed in cheap poorly constructed lightweight table top
>> SSB transceivers with crappy audio and drifting VFOs so hams who had
>> been brainwashed into hating AM could get on "phone" inexpensively.
>> If you like "vintage SSB" have at it, but these days I see no reason
>> why anyone would want to run such rigs even now, when there is the
>> KWS1 and 75A-4 or the CE phasing rigs available.
>> The sales job, or snow job, involved exaggerated power claims
>> specified in p.e.p. watts input.
>>
>> This was no gift, or rather, if you think this was a gift, I'd hate to
>> see what you think of as being a consolation prize.
>>
>> 73
>> Rob
>> K5UJ
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>
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