Voltage - Pentode Remote Cutoff (single) vacuum tubes

Pentode

Semi-remote-cutoff miniature pentode for gain-controlled color-television picture-IF amplification and RF amplifier service.

Base

7CM

Socket

B7G

Heater

6.3 V

Sections

1

Pentode

6DG7 voltage - pentode remote cutoff (single) electronic tube specifications and datasheets.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

Pentode

Remote-cutoff RF pentode for variable-gain Class-A amplification with broad automatic-volume-control range.

Base

7H

Socket

B7G

Heater

6.3 V

Sections

1

Pentode

Variable-mu high-frequency pentode for gain-controlled RF and IF amplification in AM and FM receivers.

Base

Not recorded

Socket

B9A

Heater

6.3 V

Sections

1

Pentode

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

Base

9AQ

Socket

B9A

Heater

6.3 V

Sections

1

Pentode

Variable-transconductance pentode for RF or IF amplification and mixer service in automobile radios. Its remote-control characteristic permits gain regulation while low-voltage operation suits car-radio circuitry.

Base

Not recorded

Socket

B7G

Heater

6.3 V

Sections

1

Pentode

Mazda 6F15 variable-µ RF pentode for gain-controlled receiving amplifiers, with high anode impedance, 6.3 V 0.2 A heater and eight-contact B8A-style base.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

Pentode

Variable-mu high-frequency pentode for gain-controlled RF and IF amplification in receiver and communications equipment.

Base

Not recorded

Socket

B9A

Heater

6.3 V

Sections

1

Pentode

Miniature variable-mu pentode for controlled HF or LF amplification, with high plate resistance and substantial voltage capability.

Base

B7G

Socket

B7G

Heater

6.3 V

Sections

1

Pentode

Frame-grid variable-mu pentode for high-gain television IF amplification and large-signal AGC-controlled service.

Base

B9A

Socket

B9A

Heater

6.3 V

Sections

1

Pentode

Variable-mu high-frequency pentode for gain-controlled RF amplification in AC, AC/DC, and television receivers.

Base

B9A

Socket

B9A

Heater

6.3 V

Sections

1

Pentode

Frame-grid variable-mu pentode for high-gain AGC-controlled television IF amplification with approximately 12.5 mA/V transconductance.

Base

Not recorded

Socket

B9A

Heater

6.3 V

Sections

1

Pentode

Variable-mu RF pentode for gain-controlled RF and IF amplification in conventional receiver and communications equipment.

Base

Not recorded

Socket

B7G

Heater

6.3 V

Sections

1

Pentode

The 6GK7 is a high-gain, dual-control pentode designed for television video intermediate-frequency amplification. Its third grid permits sharp, semi-remote, or remote cutoff operation depending on circuit conditions, providing flexible automatic gain control and high amplification with very low control-grid-to-plate capacitance.

Base

B9A

Socket

B9A

Heater

6.3 V

Sections

1

Pentode

Semi-remote-cutoff high-transconductance pentode designed for AGC-controlled television picture-IF amplification.

Base

7CM

Socket

B7G

Heater

6.3 V

Sections

1

Pentode

6HQ6 voltage - pentode remote cutoff (single) electronic tube specifications and datasheets.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

Pentode

Semi-remote-cutoff pentode for gain-controlled IF amplifier service, with controlled heater warm-up for coordinated receiver operation.

Base

7BK

Socket

B7G

Heater

6.3 V

Sections

1

Pentode

Frame-grid semi-remote-cutoff pentode for AGC-controlled television IF amplification, providing very high transconductance and wideband gain.

Base

9PM

Socket

B7G

Heater

6.3 V

Sections

1

Pentode

Semi-remote-cutoff pentode designed for gain-controlled television video-IF amplifier stages.

Base

7CM

Socket

B7G

Heater

6.3 V

Sections

1

Pentode

Very-high-transconductance frame-grid semi-remote-cutoff pentode for AGC-controlled television IF amplification.

Base

Not recorded

Socket

B9A

Heater

6.3 V

Sections

1

Pentode

Russian high-frequency pentode with extended cutoff characteristic, designed for wideband gain-controlled amplifier service.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

Pentode

Russian subminiature high-frequency variable-mu pentode designed for automatic gain-control service.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

Pentode

Russian subminiature variable-mu pentode designed specifically for intermediate-frequency amplification.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

Pentode

Ruggedized Russian subminiature variable-mu pentode for dependable intermediate-frequency amplifier service.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

Pentode

Russian metal variable-mu pentode designed for intermediate- and high-frequency amplification.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

Pentode

Russian high-frequency pentode with an extended control characteristic, designed for RF voltage amplification in radio-electronic equipment. Its gradual cutoff behavior supports variable-gain operation in controlled high-frequency amplifier stages.

Base

Not recorded

Socket

B9A

Heater

6.3 V

Sections

1

Pentode

Long-life, high-reliability Russian remote-cutoff RF pentode for RF and IF amplification with automatic gain control. It combines extended-control operation with reliability-oriented construction for sustained professional service.

Base

Not recorded

Socket

B9A

Heater

6.3 V

Sections

1

Pentode

Russian high-frequency pentode with an extended control characteristic and enhanced reliability construction. Designed for RF voltage amplification, it supports controlled-gain operation in radio-electronic equipment.

Base

Not recorded

Socket

B9A

Heater

6.3 V

Sections

1

Pentode

Remote-cutoff RF/IF pentode designed for receiver front-end and intermediate-frequency stages. Its variable-mu characteristic permits effective automatic gain control across a wide range of received signal strengths.

Base

7R

Socket

IO

Heater

6.3 V

Sections

1

Pentode

Glass-envelope version of the remote-cutoff 6K7 RF/IF amplifier pentode. It retains the variable-gain receiver function of the metal type while using conventional glass construction.

Base

7R

Socket

IO

Heater

6.3 V

Sections

1

Pentode

GT-envelope variable-mu RF pentode for RF and IF amplification. Its gradual cutoff characteristic supports automatic gain control in receiver signal stages while retaining the compact tubular-glass format.

Base

7R

Socket

IO

Heater

6.3 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 enables automatic gain regulation.

Base

9PM

Socket

B9A

Heater

6.3 V

Sections

1

Pentode

The 6M7G is a remote-cutoff radio-frequency pentode with a metallized glass envelope, designed for variable-gain RF and intermediate-frequency amplification. Its indirectly heated cathode, 6.3-volt heater, and remote-cutoff characteristic make it suitable for receiver stages employing automatic gain control.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

Pentode

Remote-cutoff pentode amplifier suited to amplifying sweep-oscillator output in cathode-ray oscillograph and television sweep circuits. Its variable-gain characteristic supports controlled amplification in deflection-related signal stages.

Base

Not recorded

Socket

IO

Heater

6.3 V

Sections

1

Pentode

Glass remote-cutoff RF pentode characterized by high transconductance and low output capacitance. Designed for controlled-gain high-frequency amplification, it combines useful RF gain with gradual cutoff behavior.

Base

Not recorded

Socket

IO

Heater

6.3 V

Sections

1

Pentode

Triple-grid super-control remote-cutoff pentode designed for variable-gain RF/IF Class-A amplification and broad automatic-gain-control range.

Base

Not recorded

Socket

IO

Heater

6.3 V

Sections

1

Pentode

Remote-cutoff RF pentode designed for high-frequency amplifier service. Its extended-control characteristic permits automatic gain regulation in receiver RF stages while maintaining useful signal gain.

Base

7

Socket

IO

Heater

6.3 V

Sections

1

Pentode

Triple-grid semi-remote-cutoff pentode designed for high-gain RF and IF amplifier service. Its controlled cutoff characteristic enables variable-gain operation while supporting substantial high-frequency amplification.

Base

Not recorded

Socket

IO

Heater

6.3 V

Sections

1

Pentode

Semi-variable-mu RF pentode intended for controlled high-frequency signal amplification. Its intermediate cutoff characteristic provides gain regulation while preserving useful RF performance in receiver stages.

Base

RTMA 8BK

Socket

IO

Heater

6.3 V

Sections

1

Pentode

Semi-remote-cutoff RF pentode with a 6.3 V, 0.3 A heater. Manufacturer handbook data document controlled-gain high-frequency amplification and representative operating conditions for receiver service.

Base

8BK

Socket

IO

Heater

6.3 V

Sections

1

Pentode

Remote-cutoff pentode designed for RF and IF amplifier service. Its variable-mu characteristic provides smooth automatic gain control, making it a standard controlled-gain receiver signal tube.

Base

RTMA 8N

Socket

IO

Heater

6.3 V

Sections

1

Pentode

GT-envelope remote-cutoff pentode intended for RF and IF amplifier service. It retains the variable-mu controlled-gain function of the 6SK7 family in a tubular glass construction.

Base

8N

Socket

IO

Heater

6.3 V

Sections

1

Pentode

Remote-cutoff RF pentode with a 6.3 V, 0.3 A heater. Manufacturer handbook data establish variable-gain high-frequency amplifier service, with the W designation representing a specialized variant of the 6SK7 family.

Base

8N

Socket

IO

Heater

6.3 V

Sections

1

Pentode

Remote-cutoff RF pentode designed for AVC-controlled RF and IF amplifier service. Its gradual cutoff characteristic permits receiver gain to be reduced smoothly as incoming signal strength increases.

Base

8N

Socket

IO

Heater

6.3 V

Sections

1

Pentode

GT-envelope remote-cutoff RF pentode for AVC-controlled RF and IF amplifier service. It combines variable-gain receiver operation with tubular glass construction.

Base

Not recorded

Socket

IO

Heater

6.3 V

Sections

1

Pentode

Remote-cutoff high-frequency pentode designed for RF amplification. Its variable-mu characteristic supports automatic gain control in receiver front-end stages across a broad range of signal levels.

Base

7R

Socket

Not recorded

Heater

6.3 V

Sections

1

Pentode

Rugged seven-pin all-glass variable-mu pentode for RF and IF applications. Special electrode, cathode, heater, and glass construction reduce catastrophic failures and support long cutoff operation, frequent heater switching, and low leakage.

Base

Not recorded

Socket

B7G

Heater

6.3 V

Sections

1

Pentode

Premium variable-slope high-frequency pentode for mobile and industrial applications. Designed as a shock- and vibration-resistant replacement for 6BJ6/6662, it combines controlled gain with rugged professional construction.

Base

Not recorded

Socket

B7G

Heater

6.3 V

Sections

1