Vacuum Tube Accessories

Used for vacuum tube octal plug or coil form. 1-¼" dia. x 7/8" high.

Black plastic 8-pin plug. This is the bottom portion of an octal tube base including all 8 pins and guide key between pins 1 and 8.

Diameter listed is the inside diameter. The anode cap is used for making an electrical connection to vacuum tubes which have anode high voltage connection from the top. Its contact resistance is less than 0.01 ohm, insulation resisitance is over 10,000 Mohm. Life time is about 200 cycles.

Washer fits around the socket in in order to hold it to the chassis. for 8 pin sockets.

4 pin, ceramic tubes base, 1 ¼" diameter - 1 1/16" tall.

Washer fits around sockets to hold them to chassis.

Replacement 4-pin tube base for use with tubes such as the 811A or 300B.

8-pin octal base made of brown phenolic. This base is shorter than the P-SP8-479 base and matches bases used on many common octal tubes. The base has a 5/8“ height with approximately 7/16” of internal mounting depth.

8 pin tube base with gold coated pins.
Outer Diameter: 1.57"
Inner Diameter: 1.52"
Height (not including pins or keyway): 0.80"

8 pin tube base with gold pins.
Outer Diameter: 1.20"
Inner Diameter: 1.16"
Height (not including pins or keyway): 0.79"