eBay Vendor

[Neil QQ]

Anybody know or transacted with this vendor?

https://www.ebay.com/itm/144862333148

[Kevin A.]

Never, but based on my ebay experience (about 10 years of regular buying and selling), his account is about 24 years old and has excellent feedback. 

I would not hesitate if interested in an item.

On Fri, Feb 10, 2023, 9:20 PM Neil QQ <nei...@gmail.com> wrote:

Anybody know or transacted with this vendor?

https://www.ebay.com/itm/144862333148

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[Neil QQ]

Thank you.  I bought 12 tubes from this vendor a few months ago.  Out of the 12, three had serious poisoning on certain digits and one was dead.  The vendor was responsive ,quickly giving me credit (including prorated shipping).  I have no reason to doubt the tubes are brand new.  They were commercial bespoke bulk packaged, pristine in appearance, and had the classic little Styrofoam pin protector pillow.  It was only after I installed them on a test fixture that I noticed the tube-to-tube and the same tube digit-to-digit brightness vary a lot.  Additionally, most of the tubes have at least one digit that is physically crooked or tilted.  Without knowing any better, I bet these are factory "seconds"; culls from production that are serviceable but don't meet specification.  I can't really complain.  The price was too good to be true, the vendor was responsive, and the vendor's description was accurate.  

I am just curious to hear about another experience.      

[Nicholas Stock]

What type of tubes were they Neil?

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[Neil QQ]

Amperex ZM1000 (clear glass).

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[Nicholas Stock]

Hmm, that's odd. I've never seen that in a ZM1000, but maybe I've not been looking hard enough..... I'll check my stash then!

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[Neil QQ]

I agree.  I have a number of the ZM1000's.  Before this purchase I could bin them into good and worn.  These tubes are all marginal but in different ways.  For example, picture an "8" and figuratively vertically bisect the "8".  The left most portion was fine, the right most portion was completely dark with graduation in between.  The same was true of the "4" but reversed handed.  The rest of the numbers were fine.  Another tube has it's brightly lit "0" tilted about 10 degrees, leaning to the right.  The rest of the numbers are fine.  Within the same tube, some of the digits are unnaturally bright, others dim.  And so on.  A set of them has been cycling now for several months with no change in either the brightness or poisoning.  I did not take the time to measure the drive current.  The malady follows the tube not the fixture installation position.  They do work, if working is defined by readily identifying the active digit.  The $15 each price I paid is probably appropriate.