Yes I know. They look cool though because of their shape and no
mercury. Short life but nice and orange and a neat envelope. I have some of
the other later mercury ones on hand as spares
but their envelope is not as cool looking at least to me.
---- Original Message ----
From: "David Forbes" <nixiebu...@gmail.com>
Sent: 9/22/2022 3:03:09 PM
To: "NeoNixie" <neonixie-l@googlegroups.com>
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 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 ago.
On Thu, Sep 22, 2022, 10:43 AM chuckrr <chuc...@all2easy.net>
wrote:
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 good.
Anyone know why?
Chuck
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