- last updated 22/07/00 18:02:58

B&W, 600x789 resolution (or slightly less), 8k-22k file size
These are a little rough, but often good enough. I make no guarantees

12AT7 / ECC81 tube data

Key:

16 greyscales, 600x789 resolution (or slightly less), 50k-120k file size
These look great on my monitor. Your monitor may vary

B&W, 2400x3150 resolution (or slightly less), 70k-200k file size
Just right for laser printing

The hi-res images may cause Netscape to crash. If you have this problem, then configure Netscape to use a different viewer for gif images. LView is free and works well. Look for it at Simtel

Some pages that contain large portions of text have been converted to ASCII. Obviously, any graphics have been omitted, but these files are very small and easy to read/print. Many, many thanks to Marc LaViolette for contributing his time and effort to convert these files.

From Amperex Special Purpose Tubes

page 1 General electrical and mechanical characteristics

page 2 Max ratings, operating characteristics, pinout, envelope

page 3 Transfer characterisitics, plate characterisitics

page 4 Dynamic curves: mu, transconductance, Rp

back to tube data menu
30 June 1996