[Amps] Dedicated RF / tube query

[Richard Solomon]

Or better yet, one or two 3CX1200's.

73, Dick, W1KSZ

On Sun, Jul 29, 2012 at 8:26 PM, Leigh Turner
<invertech at frontierisp.net.au> wrote:
>
> Hi Dan,
>
> Not that it matters much, but are you absolutely certain that the current
> 3CX800/3CPX800A7 tube products sourced from CPI are not of Chinese origin
> and instead supplied to CPI under an OEM outsourcing supply agreement with
> bespoke Eimac labelling / badging done by the China tube factory?
>
> Also I'm curious about the rationale for using two little puppies in
> parallel instead of a single 3CX1500A7/8877 tube...it sounds like you have
> given this key decision a lot of thought?
>
> Leigh
> VK5KLT
>
>
> -----Original Message-----
> From: amps-bounces at contesting.com [mailto:amps-bounces at contesting.com] On
> Behalf Of Dan Simmonds
> Sent: Monday, 30 July 2012 9:30 AM
> To: garyk9gs at wi.rr.com
> Cc: amps at contesting.com
> Subject: Re: [Amps] Dedicated RF
>
> Gary, this is a myth, quite frankly, saying the days of this tube are
> numbered. Do you have facts to back this up?
>
> >From experience I'll share with you that I can cut a Purchase Order to
> Eimac (CPI) tomorrow for any number of 3CPX800 tubes and receive them
> about 90 days later. No-one in Palo Alto, CA has mentioned anything to
> me about stopping production of this model.
>
> I'm trying hard not to turn this into an advertisement, but for
> comparison, we sell the identical tubes you mention (CPI / Eimac) for
> under $700 new - and my invoiced cost per-tube from CPI is well below this.
>
> Genuine Eimacs - not Chinese, etc.
>
> Dan  KK3AN
>
>
>
> Gary K9GS wrote:
>
>> 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.
>>
>
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