Vacuum tube to solid state

[init4fun]

Originally Posted by kvflyer

Except for the 1L6 and 50A1, the rest of those tubes are not expensive. All NOS below:

50A1 $29.00
1L6 $29.00
1U4 $4.50
1U5 $5.00
3V4 $6.00

All from Bob Dobush, Find-A-Tube.

Exactly.......

Originally Posted by init4fun

It started with the somewhat valuable 1L6 and 50A1, and now even more common types like the 1U4, 1U5, 3V4, and others are available. ]