Home Tubes Asylum

Questions about tubes and gear that glows. FAQ

RE: Motorola 12AT7-8M tubes

I'm pretty sure that's just part of their brand-specific model number. I used to service Motorola and other brands of tube-type communications gear. I don't recall any of those companies using nomenclature to designate tube grading or special performance options.






This post is made possible by the generous support of people like you and our sponsors:
  Atma-Sphere Music Systems, Inc.  


Follow Ups Full Thread
Follow Ups

FAQ

Post a Message!

Forgot Password?
Moniker (Username):
Password (Optional):
  Remember my Moniker & Password  (What's this?)    Eat Me
E-Mail (Optional):
Subject:
Message:   (Posts are subject to Content Rules)
Optional Link URL:
Optional Link Title:
Optional Image URL:
Upload Image:
E-mail Replies:  Automagically notify you when someone responds.