D3a Tube Question

Could someone please explain what "Post Gabl" means when etched on a D3a output tube? I saw some NOS D3a's on eBay without this etching, yet my current tube has the "post gabl" etching.

Thanks!

labpro09-30-2017 4:11pm

3 responses Add your response

dekay Details Discussions Posts This discussion Message User 5,594 posts 10-01-2017 at 10:13pm Copy Comment URL Report Comment Edit Delete I may be mistaken about the "3 letters" and confusing that with something else, but I'm certain that I once translated a page in German (to English) to find the government connection of GABL. Tried Googling for it but came up with zip. DeKay
labpro OP Details Discussions Posts This discussion Message User 88 posts 10-01-2017 at 02:55pm Copy Comment URL Report Comment Edit Delete Thank you dekay. Labpro
dekay Details Discussions Posts This discussion Message User 5,594 posts 09-30-2017 at 04:53pm Copy Comment URL Report Comment Edit Delete Something to do with government use. However I've never seen "post" used with "gabl" (usually 3 letters and one is a "b" - don't recall the rest). DeKay

Log in to respond

More to discover

Ayon Audio Ayon Triton EVO Mono Amps Pure Class A

Atma-Sphere MP-3 MK III

McIntosh MC275 MK IV