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Re: [Amps] Machlett 3-500Z tubes

To: Amps group <>
Subject: Re: [Amps] Machlett 3-500Z tubes
From: Bill Turner <>
Date: Sat, 26 Nov 2016 10:41:28 +0000
List-post: <">>
Whatever brand you buy, make sure the filament pins are one solid,
welded piece and not a wire soldered to a pin. I am told Amperex tubes
are welded and there may be others. 

The soldered pins are notorious for the solder melting.

73, Bill W6WRT
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