[AMPS] 3-500Z by Pro-tek

[Steven Moore]

I have several friends using the Chinese 3-500 tubes from RF Parts with good
results. One of them has repaired several 3-500 amps and did have one of
these Chinese tubes go bad but they honored the warranty.

After seeing the luck these guys had with late production Eimac 3-500
tubes--just about anything else looks good.

73 Steve   wd0ct
----- Original Message -----
From: "Bill Turner" <w7ti@dslextreme.com>
To: "Marcel Jorba" <mjorba@ingelan.com>; <amps@contesting.com>
Sent: Tuesday, July 03, 2001 5:27 PM
Subject: Re: [AMPS] 3-500Z by Pro-tek


>
> I bought one Chinese-made tube from RF Parts.  They check each tube
> individually when they receive it and they guarantee them.  Mine has
> been fine so far.  Some Chinese brands are no good, but RF Parts
> claims they know which ones are good.
> 73, Bill W7TI
> _________________________________________________________
>
> ----- Original Message -----
> From: "Marcel Jorba" <mjorba@ingelan.com>
> To: <amps@contesting.com>
> Sent: Tuesday, July 03, 2001 12:13 PM
> Subject: [AMPS] 3-500Z by Pro-tek
>
>
> >
> > Hi,
> >
> > I need to replace three 3-500Z (or 3-500ZG) tubes. I have been
> surfing the web an I have find 2 nice alternatives:
> >
> > 1.- Buy to RF parts their chinese tubes
> > 2.- Buy to dandcelectronics the 3-500Z the resell. They offer a nice
> price for these Pro-Tek tubes but I don't have any idea about these
> tubes. Anyone has any experience or
> >      reference?
>
>
>
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>
>


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