2 RCA 12SF7/CV921 RF IF Diode Pentode Amplifier Audio Vacuum Tube Valve- Bangybang.tube

Brand

RCA

Model

12SF7

Type                                         

Diode Triode

Use

• Vf 12.6 Volts / If 0.15 Ampere / Indirect 

• Designed as a variable mu and AGC detector

Similar/Equiv

Condition

New in Box (NOS)

Tubes per listing

2