ORIGINAL MESSAGE:
On Sun, 23 Dec 2012 07:39:38 +0100, ON4AEF wrote:
>
>Hi members;
>
>Does someone have any experience about use of this type of tubes from RF parts
>?
>Especially about custumer name AMPEREX-EIMAC and possible ohters.
>I don't now whitch costumer name this have ?
>
>
> 3-500ZG -RFP-MP RFP Matched Pair price 379.90 US$
>
>
>Regards Jean ON4AEF.
REPLY:
Equally important for that tube is whether the filament pins are
soldered or welded. I was told that Amperex brand are welded. You can
save yourself some future trouble my insisting on welded.
73, Bill W6WRT
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