Voltage Pentode - High Frequency (single) vacuum tubes

Pentode

High-transconductance compact pentode for professional high-frequency and wideband small-signal amplification, combining useful gain with low interelectrode capacitance.

Base

8FX

Socket

SUBMINIATURE8

Heater

6.3 V

Sections

1

Pentode

High-frequency Class-A pentode for higher-voltage professional amplifier service, with approximately 7.5 W plate dissipation and plate ratings around 550 V.

Base

Not recorded

Socket

B7G

Heater

6.3 V

Sections

1

Pentode

Ruggedized miniature pentode designed for wideband high-frequency amplification and intermittent operation separated by long standby periods.

Base

78D

Socket

B7G

Heater

6.3 V

Sections

1

Pentode

Screened high-frequency pentode developed for television and other wideband amplifier service.

Base

Not recorded

Socket

B9A

Heater

6.3 V

Sections

1

Pentode

Mazda/Ediswan 6F1 high-slope screened RF pentode for television and wideband amplification, with 6.3 V 0.35 A heater and eight-contact B8A-type base.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

Pentode

6F12 voltage pentode - high frequency (single) electronic tube specifications and datasheets.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

Pentode

Mazda 6F13 high-slope screened RF pentode for wideband television and RF amplification, with 6.3 V 0.35 A heater and eight-contact B8A-style base.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

Pentode

Mazda 6F14 high-slope screened television pentode rated for broadband signal amplification, using a 6.3 V 0.35 A heater and eight-contact B8A-style base.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

Pentode

High-reliability Russian subminiature pentode designed for high-frequency voltage amplification. Its compact construction and reliability-oriented design suit RF signal equipment requiring dependable operation under more demanding conditions than ordinary receiving tubes.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

Pentode

Russian miniature pentode designed for high-frequency voltage amplification. Its manufacturer description places it in RF signal-amplifier service, using compact miniature construction rather than a power-output or specialized conversion role.

Base

B7G

Socket

Not recorded

Heater

6.3 V

Sections

1

Pentode

High-reliability Russian miniature pentode for high-frequency voltage amplification. It combines RF signal-amplifier operation with reliability-oriented construction for radio-electronic equipment requiring extended dependable service.

Base

B7G

Socket

Not recorded

Heater

6.3 V

Sections

1

Pentode

High-reliability Russian pentode designed for high-frequency voltage amplification. Manufacturer documentation emphasizes dependable RF signal-amplifier operation, distinguishing it from ordinary general-purpose pentodes without indicating a separate power function.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

Pentode

Russian high-frequency pentode designed specifically for input stages of wideband amplifiers. Its manufacturer-defined role emphasizes broadband RF signal reception and voltage amplification at the front end of electronic equipment.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

Pentode

Russian high-frequency pentode intended for intermediate-frequency wideband amplifiers. It is optimized for broadband IF voltage amplification rather than power output, serving as a specialized signal tube in wideband receiving equipment.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

Pentode

Russian low-noise wideband high-frequency pentode designed for sensitive RF voltage amplification. Its combination of broadband response and reduced noise makes it particularly suited to front-end signal stages.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

Pentode

Russian wideband high-frequency pentode designed for voltage amplification. Manufacturer documentation identifies it as a broadband RF signal tube intended for circuits requiring substantial frequency coverage rather than power-output operation.

Base

B7G

Socket

Not recorded

Heater

6.3 V

Sections

1

Pentode

Russian subminiature high-frequency pentode for compact RF signal-amplifier service. Its small construction suits miniature radio-electronic equipment where physical size is restricted while maintaining high-frequency voltage amplification.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

Pentode

Ruggedized Russian subminiature high-frequency pentode. It combines compact RF voltage-amplifier construction with strengthened mechanical design for equipment requiring resistance to demanding operating conditions.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

Pentode

Russian miniature high-frequency pentode designed for RF voltage amplification. Its compact construction supports small-signal high-frequency service in radio-electronic equipment rather than output-stage power operation.

Base

Not recorded

Socket

B9A

Heater

6.3 V

Sections

1

Pentode

Russian high-transconductance subminiature high-frequency pentode. Its elevated transconductance and compact construction suit RF voltage-amplifier stages requiring substantial gain from a physically small signal tube.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

Pentode

Ruggedized Russian high-transconductance subminiature high-frequency pentode. It combines high RF gain capability with strengthened construction for compact electronic equipment operating under demanding mechanical conditions.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

Pentode

Russian high-transconductance miniature wideband pentode. Designed for broadband voltage amplification, it combines substantial transconductance with compact construction for high-frequency signal stages requiring wide frequency response.

Base

Not recorded

Socket

B9A

Heater

6.3 V

Sections

1

Pentode

Extended-life Russian high-transconductance miniature wideband pentode. It combines broadband high-frequency voltage amplification with long-life construction for electronic equipment requiring sustained reliable signal service.

Base

Not recorded

Socket

B9A

Heater

6.3 V

Sections

1

Pentode

The 6K11BK is a rugged Russian high-frequency pentode designed for input stages of specialized electronic equipment. Its indirectly heated oxide cathode and compact glass construction support sensitive RF voltage amplification, with a nominal 6.3-volt heater and transconductance of approximately 5.1 mA/V.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

Pentode

The 6K1ZH is a Russian high-frequency pentode with distinctive acorn-shaped glass construction and radial terminals. Intended for RF voltage amplification, it employs an indirectly heated oxide cathode, operates from a 6.3-volt heater supply, and offers compact construction suited to high-frequency signal circuits.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

Pentode

Indirectly heated oxide-cathode pentode intended for high-frequency voltage amplification. Manufacturer documentation identifies it as an RF signal-amplifier tube rather than a power-output or specialized conversion device.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

Pentode

Russian subminiature high-frequency pentode designed for RF voltage amplification. Its compact construction targets miniature radio-electronic equipment requiring small-signal high-frequency gain.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

Pentode

Ruggedized Russian subminiature high-frequency pentode for RF voltage amplification. It combines compact signal-amplifier construction with strengthened mechanical design for equipment exposed to demanding operating conditions.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

Pentode

Russian pentode designed for high-frequency voltage amplification. Manufacturer documentation places it in RF small-signal service rather than power-output operation, without sufficiently explicit cutoff terminology for further classification.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

Pentode

Russian high-impedance pentode for specialized electronic amplification and RF service, with exceptionally high plate resistance and characterized high-frequency behavior.

Base

Not recorded

Socket

IO

Heater

6.9 V

Sections

1

Pentode

The 6RHH2 is a high-frequency receiving tube associated with VHF amplification and television tuner applications. Its design emphasizes high-frequency signal handling and gain in compact receiving equipment, with operating characteristics documented in contemporary Japanese technical literature.

Base

Not recorded

Socket

Not recorded

Heater

Not recorded

Sections

1

Pentode

Russian dual-control high-frequency pentode designed for wideband amplifiers, using two control grids for added signal-control flexibility.

Base

B9A

Socket

Not recorded

Heater

6.3 V

Sections

1

Pentode

Sharp-cutoff Russian high-frequency pentode for wideband voltage amplification to approximately 300 MHz.

Base

B7G

Socket

Not recorded

Heater

6.3 V

Sections

1

Pentode

Long-life Russian high-frequency pentode with two separate anodes, designed for wideband professional amplifier service.

Base

B9A

Socket

Not recorded

Heater

6.3 V

Sections

1

Pentode

Sharp-cutoff Russian high-frequency pentode with approximately 15 mA/V transconductance for fixed-gain wideband amplification.

Base

B9A

Socket

Not recorded

Heater

6.3 V

Sections

1

Pentode

Special-quality Russian sharp-cutoff high-frequency pentode retaining the strong broadband characteristics of the 6Z49P family.

Base

B9A

Socket

Not recorded

Heater

6.3 V

Sections

1

Pentode

Russian sharp-cutoff high-frequency pentode designed specifically for intermediate-frequency wideband amplification.

Base

B9A

Socket

Not recorded

Heater

6.3 V

Sections

1

Pentode

Wideband Russian high-frequency pentode for voltage amplification, combining approximately 19 mA/V transconductance with substantial signal-current capability.

Base

Not recorded

Socket

B7G

Heater

6.3 V

Sections

1

Pentode

Sharp-cutoff Russian high-frequency pentode designed for professional fixed-gain wideband amplifier service.

Base

Not recorded

Socket

B9A

Heater

6.3 V

Sections

1

Pentode

Special-quality Russian high-frequency pentode intended for demanding input stages of wideband amplifiers.

Base

Not recorded

Socket

B9A

Heater

6.3 V

Sections

1

Pentode

The 6ZH10B is a Russian subminiature high-frequency pentode intended for voltage amplification in specialized electronic equipment. Its indirectly heated oxide cathode and flexible lead construction provide compact installation, with a nominal 6.3-volt heater and approximately 5.3 mA/V transconductance.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

Pentode

The 6ZH10BV is a high-durability Russian subminiature high-frequency pentode for signal amplification in specialized equipment. It combines compact flexible-lead construction with a 6.3-volt heater and approximately 5.3 mA/V transconductance, emphasizing mechanical robustness and dependable operation.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

Pentode

The 6ZH10P is a Russian miniature high-frequency pentode featuring dual-grid control for voltage amplification. Its additional control capability supports specialized RF signal circuits, while an indirectly heated oxide cathode and approximately 9 mA/V transconductance provide high-frequency amplification performance.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

Pentode

The 6ZH11P is a high-transconductance Russian pentode designed for wideband high-frequency voltage amplification. Its indirectly heated cathode, miniature glass envelope, and nominal transconductance of 28 mA/V support demanding broadband signal-amplifier circuits requiring substantial gain.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

Pentode

The 6ZH11PE is a long-life Russian high-frequency pentode for wideband voltage amplification. Closely related to the 6ZH11P, it offers approximately 28 mA/V transconductance with improved reliability characteristics, making it suitable for professional electronic equipment requiring extended operating life.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

Pentode

The 6ZH1B is a compact Russian subminiature pentode intended for high-frequency voltage amplification. Its flexible leads and indirectly heated oxide cathode allow installation in space-constrained electronic equipment, while its nominal 4.8 mA/V transconductance supports RF signal amplification.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

Pentode

The 6ZH1BV is a reinforced Russian subminiature high-frequency pentode designed for dependable RF voltage amplification. Its miniature flexible-lead construction and indirectly heated cathode provide approximately 5 mA/V transconductance, with enhanced mechanical durability for demanding electronic environments.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

Pentode

The 6ZH1P is a Russian miniature high-frequency pentode designed for wideband RF voltage amplification. Operating from a 6.3-volt heater supply, it combines approximately 5.2 mA/V transconductance with compact construction for receiving, communications, and general signal-amplifier applications.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1