My choice would certainly not be the 3CPX800 altho MRI pulls are still
readily available at 200-300 each at full output. Plus the Chinese and
Russian versians are much cheaper and my experience is that they are
reliable.
OTOH my choice would be the 3CX3000A7, brand new Chinese is about $800 and
the Russians make it also. Very rugged and forgiving of faults.
Its time to say good bye to Eimac.
Carl
KM1H
----- Original Message -----
From: "Gary K9GS" <garyk9gs@wi.rr.com>
To: <amps@contesting.com>
Sent: Sunday, July 29, 2012 7:41 PM
Subject: Re: [Amps] Dedicated RF
> Well, my point is that I'd be happy to see some
> experimentation/development in SS amps, instead of another commercial
> amp using hideously expensive tubes. Let's face it, the days of the
> 3CX800 are numbered. Why introduce a commercial product with expensive
> and, potentially in the near future, hard to get tubes? Other than a
> handful of ham radio amplifiers, is there any commercial application for
> 3CX800s other than replacement parts?
>
> If you're going to introduce a tube amp at least pick some reasonably
> priced tubes. The Alpha website lists a pair of 3CX800's at $2100.00.
> That's almost 1/3 of the selling cost of this amp.
>
>
> On 7/29/2012 3:50 PM, Carl wrote:
>> And just what SS devices would you suggest that will run 1500W CCS and
>> still
>> give -40dB or better SSB IMD3 over 1.8-30MHz?
>>
>> Carl
>> KM1H
>>
>>
>> ----- Original Message -----
>> From: "W2XJ"<w2xj@nyc.rr.com>
>> To:<amps@contesting.com>
>> Sent: Sunday, July 29, 2012 2:29 PM
>> Subject: Re: [Amps] Dedicated RF
>>
>>
>>> For all that and what it will cost, Solid State is a better way to go.
>>>
>>>
>>> On 7/29/12 2:25 PM, Dan Simmonds wrote:
>>>> Gary K9GS wrote:
>>>>> I agree with Rob....yet another 2x 3CX-800 amp. Big deal. What would
>>>>> be the point of buying one of these
>>>>> when I could buy an Alpha 87, TenTec, etc....
>>>>>
>>>>>
>>>> 20 kV (working limit) / 28 kV (test limit) vacuum caps
>>>> Custom-built edge-wound tank roller inductor (1/16" x 3/8" silver
>>>> plated
>>>> Beryllium)
>>>> Toroidal HV transformer with 97% efficiency + or -
>>>> Remote display head
>>>> etc, etc
>>>>
>>>> Dan KK3AN
>>>> _______________________________________________
>>>> Amps mailing list
>>>> Amps@contesting.com
>>>> http://lists.contesting.com/mailman/listinfo/amps
>>>>
>>> _______________________________________________
>>> Amps mailing list
>>> Amps@contesting.com
>>> http://lists.contesting.com/mailman/listinfo/amps
>>>
>>>
>>> -----
>>> No virus found in this message.
>>> Checked by AVG -www.avg.com
>>> Version: 10.0.1424 / Virus Database: 2437/5162 - Release Date: 07/29/12
>>>
>> _______________________________________________
>> Amps mailing list
>> Amps@contesting.com
>> http://lists.contesting.com/mailman/listinfo/amps
>>
>
> --
>
>
> 73,
>
> Gary K9GS
>
> Greater Milwaukee DX Association:http://www.gmdxa.org
> Society of Midwest Contesters:http://www.w9smc.com
> CW Ops #1032http://www.cwops.org
>
> ************************************************
>
> _______________________________________________
> Amps mailing list
> Amps@contesting.com
> http://lists.contesting.com/mailman/listinfo/amps
>
>
> -----
> No virus found in this message.
> Checked by AVG - www.avg.com
> Version: 10.0.1424 / Virus Database: 2437/5163 - Release Date: 07/29/12
>
_______________________________________________
Amps mailing list
Amps@contesting.com
http://lists.contesting.com/mailman/listinfo/amps
|