[TMC] PRogress report No. 3?

[roy.morgan at nist.gov]

Quoting Mark Foltarz <Foltarz at rocketmail.com>:

> 
> 
> > 872A's, and their more common cousin, the 866A, can be unpredictable. 
> Yes they can be!  I had fits...using 866's.... swithed to
> 3B28s > and the probems went away.
> 
> Is there a more modern eq. of a 872?

YES. It is the 4B32 Zenon tube.  (A quick check of Tube Lore shows that I have
that right.  There is a mineature tube called the 4B-32, not the same thing at
all.)

I want some.. any one having some for sale/trade, let me know.

Thanks!

Roy


Roy Morgan
7130 Panorama Dr.
Derwood MD 20855