Showing posts with label 112a. Show all posts
Showing posts with label 112a. Show all posts

Wednesday, February 21, 2018

Marvin 12A Maybe NOS

I picked up these two maybe new old stock 12A tubes. Made by RCA as are the Cunningham tubes. The packaging on these is really nice but I hate stickers on my tubes. No etching on the base and only a faint 12A on the tops of the tubes.  At least I do like the logo.





Monday, April 10, 2017

Cunningham CX-112A

I've started hoarding 112A tubes especially Cunningham as I like that extra mica support. They must have made a ton of these. I'm still going to hoard while I can.
The first two test in the 80's and appear unused. Two of them have the same datasheet.

 The third had these extra long sheets wrapped around the tubes packing materials.

Hate it when they have labels. This one test at 70.

 I snagged this Silvertone for $2 on ebay and it test high as well.