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Original Message
From: "David Forbes"
Sent: 9/22/2022 3:03:09 PM
To: "NeoNixie"
Subject: Re: [neonixie-l] NL-6844A
They had a short lifetime so they got replaced earlier in the lifetime
of the product. In some cases the
I stopped buying 6844's several years ago because even tested ones were
pretty weak, and now I will only buy tubes clearly marked as 5092.
On Thursday, September 22, 2022 at 12:03:06 PM UTC-7 nixiebunny wrote:
> They had a short lifetime so they got replaced earlier in the lifetime of
> the
They had a short lifetime so they got replaced earlier in the lifetime of
the product. In some cases the dead tubes were put into the boxes of their
replacement tubes instead of being thrown out like they should have been.
At least that's the conclusion I came to when buying thrm on eBay 20 years
Does anybody here know why so many of the Burroughs B-6844 tubes found
"untested" on Ebay are dead?
Conversely, I have found that a much better bet for untested 6844A
tubes are the National NL-6844A ones.
Those seem tio always have a much better chance of still being