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Re: [Amps] 3-500Z labeling

Subject: Re: [Amps] 3-500Z labeling
From: Jim Durham <>
Date: Sat, 8 Dec 2018 00:09:08 -0500
List-post: <>
Hey Paul,
Look very hard in a good light. I think I have seen labeling on older tubes fade so badly that it looks like there is nothing there.

73, Jim, W2XO

On 12/6/18 10:36 AM, Paul Baldock wrote:
I have two 3-500Z's that I removed from a Drake L4B. These tubes have no brand labeling or residue of labeling. They are the variety that have 5 Anode disks. Has anybody seen 3-500Zs with out brand marking?

- Paul  KW7Y

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