[Amps] 8877

[Kevin Stover]

Alpha uses the 8877 in the 9500. I assume Eimac.
They use a pair of 4CX1000A Chinese knockoffs in the 8410 manual tune 
amp. They use a 4CX1500B, I assume Chinese, in the 8406 6m amp.

> Carl <mailto:km1h at jeremy.mv.com>
> Friday, November 16, 2012 10:11 AM
> Since when is Alpha using an 8877 these days? Ameritron has had 
> excellent luck with their source, whoever it is.
>
> OTOH Ive had no trouble finding full output MRI pulls or NOS Eimacs 
> when needed. Just picked up a NIB pair of 3CPX1500's with 1998 date 
> codes.
>
> Carl
> KM1H
>
>
>
> ----- Original Message ----- From: "Charles Harpole" <k4vud at hotmail.com>
> To: <dan at kk3an.com>; <amps at contesting.com>
> Sent: Thursday, November 15, 2012 10:43 PM
> Subject: Re: [Amps] 8877
>
>
>
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> Charles Harpole <mailto:k4vud at hotmail.com>
> Thursday, November 15, 2012 9:43 PM
> I would go with the supplier selling to Alpha. BTW, as a guy who has 
> tried to sort out buying from inside Red China, it is a vipers' nest. 
> By the time you test your items, the design will have changed because 
> you can be sure that the mfg are constantly looking for ways to make 
> them cheaper, and you know what that means. Why does the American made 
> tube cost so much more?
>
> Charles Harpole
> k4vud at hotmail.com
> > Date: Tue, 13 Nov 2012 23:48:07 -0500
>
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> Dan Simmonds <mailto:dan at kk3an.com>
> Tuesday, November 13, 2012 10:48 PM
> Curious to know if anyone has specific knowledge of which of the 
> Chinese 8877 manufacturers are known for good tubes, and which are not?
>
> I'm referring to names like "Beijing Jenerator", "Kunshan Vic 
> Electronics", and of course Greenstone - all of whom supply the 8877.
>
> I'm spending a good deal of time researching this, though it's 
> difficult to decipher who's the actual manufacturer, and who's the 
> middleman.
>
> I'm currently waiting on receiving a couple of these from Beijing 
> Jenerator, who I think is a manufacturer, and I will test them 
> thoroughly once they arrive later this month.
>
> Dan  KK3AN
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-- 
R. Kevin Stover
ACØH,SPAR, ARRL, SKCC #215, NAQCC #3441, FISTS #11993