Voltage - Pentode Remote Cutoff (single) vacuum tubes

Pentode

Semi-remote-cutoff pentode designed for AGC-controlled television IF amplifier stages. Its gradual cutoff characteristic provides useful gain regulation while handling wideband television intermediate-frequency signals.

Base

Not recorded

Socket

B9A

Heater

3.15 V

Sections

1

Pentode

Semi-remote-cutoff frame-grid pentode designed for television IF amplification around 40 MHz. Frame-grid construction provides high transconductance while the controlled cutoff characteristic supports automatic gain regulation.

Base

9PM

Socket

B9A

Heater

3.5 V

Sections

1

Pentode

Variable-mu remote-cutoff RF pentode designed for gain-controlled high-frequency amplification with a broad automatic-volume-control range.

Base

5F

Socket

UX5

Heater

6.3 V

Sections

1

Pentode

Miniature remote-cutoff pentode designed for high-gain RF or IF amplification. Its small size, low grid-plate capacitance, high transconductance, and variable-mu characteristic suit gain-controlled receiver stages.

Base

7CC

Socket

B7G

Heater

4.2 V

Sections

1

Pentode

Semi-remote-cutoff pentode designed for gain-controlled television video-IF amplifier stages. Its transfer characteristic supports AGC operation while preserving the wide bandwidth needed for television signals.

Base

7CM

Socket

B7G

Heater

4.2 V

Sections

1

Pentode

Semi-remote-cutoff pentode used as an IF amplifier in color and black-and-white television receivers. Its controlled transconductance provides automatic gain regulation in wideband television IF stages.

Base

9A0

Socket

B9A

Heater

4.4 V

Sections

1

Pentode

Semi-remote-cutoff pentode designed for television IF amplifier service with automatic gain control. Its gradual cutoff characteristic allows controlled wideband gain as received television signal strength changes.

Base

7M

Socket

B7G

Heater

4.2 V

Sections

1

Pentode

Semi-remote-cutoff pentode designed for AGC-controlled television picture-IF or related television amplifier service.

Base

Not recorded

Socket

B7G

Heater

4.2 V

Sections

1

Pentode

Semi-remote-cutoff pentode designed for AGC-controlled television picture-IF or related television amplifier service.

Base

7CM

Socket

B7G

Heater

4.2 V

Sections

1

Pentode

Semi-remote-cutoff pentode designed for AGC-controlled television picture-IF or related television amplifier service.

Base

Not recorded

Socket

B9A

Heater

4.2 V

Sections

1

Pentode

Semi-remote-cutoff pentode designed for AGC-controlled television picture-IF or related television amplifier service.

Base

9PM

Socket

B9A

Heater

4.5 V

Sections

1

Pentode

Remote- or semi-remote-cutoff pentode designed for RF, IF, variable-mu, or controlled-gain amplifier service.

Base

5633

Socket

Not recorded

Heater

6.3 V

Sections

1

Pentode

Reliable voltage-amplifier pentode similar to the 12SK7, designed for severe vibration and intermittent service.

Base

Not recorded

Socket

IO

Heater

12.6 V

Sections

1

Pentode

Remote- or semi-remote-cutoff pentode designed for RF, IF, variable-mu, or controlled-gain amplifier service.

Base

7R

Socket

IO

Heater

6.3 V

Sections

1

Pentode

Remote- or semi-remote-cutoff pentode designed for RF, IF, variable-mu, or controlled-gain amplifier service.

Base

E7-1

Socket

B7G

Heater

6.3 V

Sections

1

Pentode

Remote- or semi-remote-cutoff pentode designed for RF, IF, variable-mu, or controlled-gain amplifier service.

Base

A6-7

Socket

UX6

Heater

2.5 V

Sections

1

Pentode

Remote- or semi-remote-cutoff pentode designed for RF, IF, variable-mu, or controlled-gain amplifier service.

Base

8DL

Socket

B8D

Heater

6.3 V

Sections

1

Pentode

Remote- or semi-remote-cutoff pentode designed for RF, IF, variable-mu, or controlled-gain amplifier service.

Base

8DL

Socket

B8D

Heater

6.3 V

Sections

1

Pentode

Remote- or semi-remote-cutoff pentode designed for RF, IF, variable-mu, or controlled-gain amplifier service.

Base

8DL

Socket

B8D

Heater

6.3 V

Sections

1

Pentode

Semi-remote-cutoff pentode designed for AGC-controlled television picture-IF or related television amplifier service.

Base

7CM

Socket

B7G

Heater

5.6 V

Sections

1

Pentode

Semi-remote-cutoff pentode designed for AGC-controlled television picture-IF or related television amplifier service.

Base

Not recorded

Socket

B9A

Heater

5 V

Sections

1

Pentode

Remote- or semi-remote-cutoff pentode designed for RF, IF, variable-mu, or controlled-gain amplifier service.

Base

8BK

Socket

Not recorded

Heater

6.3 V

Sections

1

Pentode

Premium subminiature semi-remote-cutoff RF pentode designed for UHF amplification under severe shock, vibration and elevated-temperature conditions. Sylvania specifies long-life, stable performance and ruggedized construction.

Base

8DL

Socket

B8D

Heater

6.3 V

Sections

1

Pentode

Subminiature remote-cutoff RF pentode for UHF amplification in rugged equipment, designed for long service life and stable characteristics despite shock and vibration. Operates from a 26.5 V, 45 mA heater.

Base

Not recorded

Socket

B8D

Heater

26.5 V

Sections

1

Pentode

Remote- or semi-remote-cutoff pentode designed for RF, IF, variable-mu, or controlled-gain amplifier service.

Base

7DB

Socket

B7G

Heater

6.3 V

Sections

1

Pentode

Remote- or semi-remote-cutoff pentode designed for RF, IF, variable-mu, or controlled-gain amplifier service.

Base

B8-21

Socket

IO

Heater

6.3 V

Sections

1

Pentode

Remote- or semi-remote-cutoff pentode designed for RF, IF, variable-mu, or controlled-gain amplifier service.

Base

8DC

Socket

IO

Heater

6.3 V

Sections

1

Pentode

Shock-resistant subminiature semi-remote-cutoff pentode.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

Pentode

Remote- or semi-remote-cutoff pentode designed for RF, IF, variable-mu, or controlled-gain amplifier service.

Base

Not recorded

Socket

B7G

Heater

6.3 V

Sections

1

Pentode

Remote- or semi-remote-cutoff pentode designed for RF, IF, variable-mu, or controlled-gain amplifier service.

Base

Not recorded

Socket

B7G

Heater

6.3 V

Sections

1

Pentode

Remote- or semi-remote-cutoff pentode designed for RF, IF, variable-mu, or controlled-gain amplifier service.

Base

7BK

Socket

B7G

Heater

6.3 V

Sections

1

Pentode

Reliable semi-remote-cutoff pentode designed for controlled-gain RF or AGC amplifier service in severe airborne or guided-missile environments.

Base

Not recorded

Socket

SUBMINIATURE7

Heater

6.3 V

Sections

1

Pentode

Reliable semi-remote-cutoff pentode designed for controlled-gain RF or AGC amplifier service in severe airborne or guided-missile environments.

Base

Not recorded

Socket

B8D

Heater

6.3 V

Sections

1

Pentode

Semi-remote-cutoff pentode designed for AGC-controlled television picture-IF or related television amplifier service.

Base

8N

Socket

IO

Heater

6.3 V

Sections

1

Pentode-Triode

Medium-mu triode plus sharp-cutoff pentode for television video, IF, AGC, reactance, oscillator, sync-separator, clipper, and phase-splitter circuits.

Base

9ED

Socket

B9A

Heater

6.3 V

Sections

2

Pentode

Remote- or semi-remote-cutoff pentode designed for RF, IF, variable-mu, or controlled-gain amplifier service.

Base

7CC

Socket

B7G

Heater

6.3 V

Sections

1

Pentode

Remote- or semi-remote-cutoff pentode designed for RF, IF, variable-mu, or controlled-gain amplifier service.

Base

Not recorded

Socket

B7G

Heater

6.3 V

Sections

1

Pentode

Remote-cutoff miniature pentode designed for gain-controlled radio-frequency and intermediate-frequency amplification in receiving equipment.

Base

Not recorded

Socket

B7G

Heater

6.3 V

Sections

1

Pentode

Remote-cutoff RF pentode for variable-gain high-frequency amplifier service and automatic gain-control applications.

Base

9AZ

Socket

B7G

Heater

6.3 V

Sections

1

Pentode

Remote-cutoff miniature pentode for gain-controlled RF/IF and wideband amplification, combining high plate resistance with very low feedback capacitance.

Base

7CM

Socket

B7G

Heater

6.3 V

Sections

1

Pentode

A-version remote-cutoff pentode for variable-gain RF and wideband voltage amplification in compact receiver and communications equipment.

Base

Not recorded

Socket

B7G

Heater

6.3 V

Sections

1

Pentode

High-slope variable-mu pentode designed for gain-controlled RF amplification in FM and AM receiver front ends.

Base

9AQ

Socket

B9A

Heater

6.3 V

Sections

1

Pentode

Semi-remote-cutoff high-transconductance pentode for gain-controlled television video-IF amplification and automatic gain control.

Base

7CM

Socket

B7G

Heater

6.3 V

Sections

1

Pentode

Remote-cutoff pentode for controlled-gain Class-A RF or IF amplifier service.

Base

7BK

Socket

B7G

Heater

6.3 V

Sections

1

Pentode

Remote-cutoff RF pentode for variable-gain high-frequency receiver amplification and automatic gain control.

Base

OCTAL

Socket

IO

Heater

6.3 V

Sections

1

Pentode

Remote-cutoff RF pentode designed for gain-controlled Class-A amplifier service in receiving and professional equipment.

Base

7DB

Socket

B7G

Heater

6.3 V

Sections

1

Pentode

Ruggedized remote-control pentode for RF or AF amplification, including circuits requiring automatic gain control.

Base

Not recorded

Socket

B7G

Heater

6.3 V

Sections

1

Pentode

High-gain remote-cutoff pentode for variable-gain RF and IF amplification in receiver and communications equipment.

Base

9BA

Socket

B9A

Heater

6.3 V

Sections

1