Voltage - Pentode Remote Cutoff (single) vacuum tubes

Pentode

Miniature variable-mu RF pentode for controlled RF and IF amplification in communications and professional receiver equipment.

Base

B7G

Socket

B7G

Heater

6.3 V

Sections

1

Pentode

Indirectly heated variable-slope pentode for gain-controlled RF and IF amplification with high plate resistance.

Base

B7G

Socket

B7G

Heater

6.3 V

Sections

1

Pentode

Arcturus GA; tabular electrical specifications unresolved.

Base

Not recorded

Socket

Not recorded

Heater

Not recorded

Sections

1

Pentode

Variable-mu pentode for RF, IF, and audio-frequency amplification in higher-voltage low-current heater systems.

Base

Not recorded

Socket

B7G

Heater

12.6 V

Sections

1

Pentode

Variable-mu high-frequency pentode for RF/IF amplification with automatic volume control in universal receivers.

Base

Not recorded

Socket

B6

Heater

10 V

Sections

1

Pentode

Directly heated variable-mu battery pentode for gain-controlled high-frequency amplification with very low filament consumption.

Base

Not recorded

Socket

Not recorded

Heater

2 V

Sections

1

Pentode

Directly heated variable-mu high-frequency pentode for battery-operated RF and IF receiver stages.

Base

Not recorded

Socket

IO

Heater

2 V

Sections

1

Pentode

Screened detector and amplifier pentode with broad receiver usefulness. Manufacturer documentation supports detector, RF and AF amplifier, oscillator, and triode-connected operation, making it unusually flexible among receiving pentodes.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

Pentode

Semi-remote-cutoff high-transconductance pentode for gain-controlled IF amplification in color and monochrome television receivers.

Base

9AQ

Socket

B9A

Heater

4.4 V

Sections

1

Pentode

Special-quality rugged variable-mu RF pentode for gain-controlled equipment exposed to vibration and shock.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

Pentode

Early Cossor general-purpose pentode for receiver and conventional small-signal amplifier service.

Base

Not recorded

Socket

B7

Heater

Not recorded

Sections

1

Pentode

Cossor pentode for mains-powered receiver signal amplification, conservatively classified where the source does not establish a narrower role.

Base

Not recorded

Socket

B7

Heater

4 V

Sections

1

Pentode

Telefunken remote-cutoff RF control pentode for variable-gain high-frequency receiver and communications amplification.

Base

Not recorded

Socket

P8A

Heater

12.6 V

Sections

1

Pentode

Long-life variable-gain voltage-amplifier pentode for professional telecommunications and industrial signal-control applications.

Base

Not recorded

Socket

B9A

Heater

18 V

Sections

1

Pentode

Telefunken variable-control pentode for gain-controlled RF and IF amplification in early radio receivers.

Base

Not recorded

Socket

Not recorded

Heater

4 V

Sections

1

Pentode

Telefunken variable-mu pentode for gain-controlled RF and IF receiver stages.

Base

Not recorded

Socket

Not recorded

Heater

4 V

Sections

1

Pentode

Telefunken remote-cutoff RF/IF pentode for 180 mA series-heater receivers and fading-compensation service.

Base

Not recorded

Socket

Not recorded

Heater

4 V

Sections

1

Pentode

Telefunken variable-mu RF/IF pentode for gain-controlled receiver stages using low-current series heaters.

Base

Not recorded

Socket

Not recorded

Heater

4 V

Sections

1

Pentode

Telefunken variable-mu military pentode for gain-controlled high-frequency amplification in compact radio equipment.

Base

Not recorded

Socket

SP6

Heater

12.6 V

Sections

1

Pentode

Telefunken directly heated variable-mu battery pentode for gain-controlled high-frequency amplification in military radio equipment.

Base

Not recorded

Socket

Not recorded

Heater

2.4 V

Sections

1

Pentode

Automotive variable-mu high-frequency pentode for gain-controlled RF and IF amplifier stages in vehicle radios.

Base

Not recorded

Socket

P8A

Heater

6.3 V

Sections

1

Pentode

Directly heated variable-mu battery pentode for RF and IF amplification in portable receivers.

Base

Not recorded

Socket

B5

Heater

2 V

Sections

1

Pentode

Variable-mu pentode for RF, IF, and audio amplification with flexible gain-control modes in series-heater equipment.

Base

Not recorded

Socket

P8A

Heater

15 V

Sections

1

Pentode

Variable-mu pentode for RF, IF, and audio amplifier service in 100 mA series-heater equipment.

Base

Not recorded

Socket

B8G

Heater

12.6 V

Sections

1

Pentode

Variable-mu voltage pentode for gain-controlled RF and IF amplification in low-current series-heater receivers.

Base

Not recorded

Socket

B8A

Heater

12.6 V

Sections

1

Pentode

Variable-mu or remote-cutoff pentode designed for RF, IF, broadband, or AVC-controlled receiver amplification.

Base

Not recorded

Socket

B8A

Heater

21 V

Sections

1

Pentode

Variable-mu or remote-cutoff pentode designed for RF, IF, broadband, or AVC-controlled receiver amplification.

Base

Not recorded

Socket

B9A

Heater

19 V

Sections

1

Pentode

Variable-mu or remote-cutoff pentode designed for RF, IF, broadband, or AVC-controlled receiver amplification.

Base

Not recorded

Socket

B9A

Heater

12.6 V

Sections

1

Pentode

Variable-mu or remote-cutoff pentode designed for RF, IF, broadband, or AVC-controlled receiver amplification.

Base

Not recorded

Socket

B8G

Heater

12.6 V

Sections

1

Pentode

Variable-mu or remote-cutoff pentode designed for RF, IF, broadband, or AVC-controlled receiver amplification.

Base

Not recorded

Socket

B7

Heater

4 V

Sections

1

Pentode

Variable-mu or remote-cutoff pentode designed for RF, IF, broadband, or AVC-controlled receiver amplification.

Base

Not recorded

Socket

B7

Heater

13 V

Sections

1

Pentode

Variable-mu or remote-cutoff pentode designed for RF, IF, broadband, or AVC-controlled receiver amplification.

Base

Not recorded

Socket

Not recorded

Heater

13 V

Sections

1

Pentode

Variable-mu or remote-cutoff pentode designed for RF, IF, broadband, or AVC-controlled receiver amplification.

Base

Not recorded

Socket

Not recorded

Heater

13 V

Sections

1

Pentode

Variable-mu or remote-cutoff pentode designed for RF, IF, broadband, or AVC-controlled receiver amplification.

Base

Not recorded

Socket

Not recorded

Heater

13 V

Sections

1

Pentode

Two-volt variable-mu pentode for detector and intermediate-frequency amplifier service. Grid-bias gain control and controlled cutoff make it fundamentally a remote-cutoff receiver amplifier despite its supported detector application.

Base

Not recorded

Socket

B7

Heater

2 V

Sections

1

Pentode

Battery-operated variable-mu high-frequency pentode designed for receiver RF and intermediate-frequency amplification.

Base

Not recorded

Socket

IO

Heater

2 V

Sections

1

Pentode

Battery-operated variable-mu high-frequency pentode designed for receiver RF and intermediate-frequency amplification.

Base

Not recorded

Socket

IO

Heater

2 V

Sections

1

Pentode

Variable-mu or remote-cutoff pentode designed for RF, IF, broadband, or AVC-controlled receiver amplification.

Base

Not recorded

Socket

IO

Heater

4 V

Sections

1

Pentode

Variable-mu or remote-cutoff pentode designed for RF, IF, broadband, or AVC-controlled receiver amplification.

Base

Not recorded

Socket

B7

Heater

4 V

Sections

1

Pentode

Variable-mu or remote-cutoff pentode designed for RF, IF, broadband, or AVC-controlled receiver amplification.

Base

Not recorded

Socket

B7G

Heater

12.6 V

Sections

1

Pentode

Battery-operated variable-mu high-frequency pentode designed for receiver RF and intermediate-frequency amplification.

Base

Not recorded

Socket

B7G

Heater

1.4 V

Sections

1

Pentode

Battery-operated variable-mu high-frequency pentode designed for receiver RF and intermediate-frequency amplification.

Base

Not recorded

Socket

Not recorded

Heater

2 V

Sections

1

Pentode

Variable-mu or remote-cutoff pentode designed for RF, IF, broadband, or AVC-controlled receiver amplification.

Base

Not recorded

Socket

B7

Heater

4 V

Sections

1

Pentode

Variable-mu or remote-cutoff pentode designed for RF, IF, broadband, or AVC-controlled receiver amplification.

Base

Not recorded

Socket

B7

Heater

4 V

Sections

1

Pentode

Variable-mu or remote-cutoff pentode designed for RF, IF, broadband, or AVC-controlled receiver amplification.

Base

Not recorded

Socket

B7G

Heater

6.3 V

Sections

1

Pentode

Variable-mu or remote-cutoff pentode designed for RF, IF, broadband, or AVC-controlled receiver amplification.

Base

Not recorded

Socket

B7G

Heater

6.3 V

Sections

1

Pentode

Variable-mu low-noise pentode designed especially for RF input and intermediate-frequency amplifier stages at short-wave frequencies.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

Pentode

Semiremote-cutoff frame-grid pentode designed as an IF amplifier in color and monochrome television receivers.

Base

9AQ

Socket

B9A

Heater

3.15 V

Sections

1