This is the K-101A battery eliminator breadboard kit that I assembled just for you.
click on picture above to enlarge
A: filament supply,1.2 to 6 VDC up to 1.5 amps.
B: Plate outputs supply, up to 50MA @ 22,45,67,90, and/or 135 VDC
C: bias supply, 0 to 22V DC. (The C+ can be tied to B- for a negative bias supply.)
$ 150. plus shipping
To order call Lu @ (928) 635-9271 (Arizona)
Click here to order on my secure online form.
I accept most major credit cards
Grand Canyon Tube Radio
200 S 6th Street Williams, AZ 86046 (928) 635-9271