6 Vintage RCA 930 Octal Gas Filled Photocell Audio Vacuum Tube Valve- Bangybang.tube

Brand

RCA (white box)

Model

Type                                         

• Red-infrared-sensitive (S1, up to 8000 Angstroms)

Similar/Equiv

• GL930

Condition

New in Box (NOS)

Tubes per listing

6