[ARC5] Equivalent tube types

[Bill Cromwell]

On Sun, 2012-07-15 at 15:21 -0700, Bob Macklin wrote:
> There is a 57?? that is an alternate for the 12AU7.
> 
> It was made for computer service.
> 
> I assume you are thinking about the 12AT7, 12AU7, and 12AX7.
> 
> Bob Macklin
> K5MYJ
> Seattle, Wa.
> "Real Radios Glow In The Dark"
> 

Hi,

5814 crosses to 12AU7 and 5751 crosses to 12AX7. I have those listed in
my database because I have some in captivity. I don't have any of those
that cross to 12AT7 or 12AY7 so I would have to look further to get that
info. I'm probably set for life for those anyway.

73,

Bill  KU8H