[Amps] Alpha 8410 using 4CX1500B - why?

Pete Raymond n4kwpete at centurylink.net
Tue Oct 28 22:57:50 EDT 2014


Hi Peter, I believe the drive on the 1500B is lower than the 1000A. Here 
is a deal for you.
I have two never used 4CX1500B Eimac tubes never been  in a socket for 
that matter. I'll sell the  for $420.00 each.
73 Pete N4KW

On 10/28/2014 4:35 PM, Peter Sils via Amps wrote:
> I recently acquired a slightly used 8410 (mfg 3/2014). I was surprised to learn it had 4CX1500B tubes rather than the 4CX1000A's.
>
> Looking at the RF Concepts website for tubes I notice the price is lower on the 4CX1000A ($475) than the 4CX1500B ($525).
>
> >From what I have gathered the drive requirement is higher and the output is lower.
>
> Can anyone shed light on why Alpha chose to go with the 4CX1500B's?
>
>
> TNX in advance of your insights!
>
> 73 Peter
> KD0AA
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