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Showing 3BU8 and all of its variations. Other filters are hidden while viewing variations.

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3BU8
Voltage Dual Pentode Pentode-PentodeCommon cathode
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Base
Refer to variations
Socket code
B9A
Electrical Summary
Heater 3.15 V / 600 mA
Plate S1: 300 V / 1.1 WS2: 300 V / 1.1 W
Screen S1: 150 V / 0.75 WS2: 150 V / 0.75 W
Ik max S1: 12 mAS2: 12 mA
gm S1: 1 mA/VS2: 1 mA/V
Sections
2
9 pins - B9A - Small-button Noval 9-contact
Variations:3GS8
Sharp-cutoff twin pentode designed as combined television sync separator, sync clipper, and automatic-gain-control amplifier.
TV Sync AGC
Source PDFs (8)
3GS8
Voltage Dual Pentode Pentode-PentodeCommon cathode
PDF Google eBay
Base
Refer to variations
Socket code
B9A
Electrical Summary
Heater 3.15 V / 600 mA
Plate S1: 300 V / 1.1 WS2: 300 V / 1.1 W
Screen S1: 150 V / 1 WS2: 150 V / 1 W
Ik max S1: 12 mAS2: 12 mA
gm S1: 1.5 mA/VS2: 1.5 mA/V
Sections
2
9 pins - B9A - Small-button Noval 9-contact
Variations:3BU8
Sharp-cutoff twin pentode designed as combined television sync separator, sync clipper, and automatic-gain-control amplifier.
TV Sync AGC
Source PDFs (8)

More

Electrical Summary

General Summary

Voltage Dual Pentode Pentode-PentodeCommon cathode

Heater	3.15 V / 600 mA
Plate	S1: 300 V / 1.1 WS2: 300 V / 1.1 W
Screen	S1: 150 V / 0.75 WS2: 150 V / 0.75 W
Ik max	S1: 12 mAS2: 12 mA
gm	S1: 1 mA/VS2: 1 mA/V

9 pins - B9A - Small-button Noval 9-contact

Variations:3GS8

Sharp-cutoff twin pentode designed as combined television sync separator, sync clipper, and automatic-gain-control amplifier.

Voltage Dual Pentode Pentode-PentodeCommon cathode

Heater	3.15 V / 600 mA
Plate	S1: 300 V / 1.1 WS2: 300 V / 1.1 W
Screen	S1: 150 V / 1 WS2: 150 V / 1 W
Ik max	S1: 12 mAS2: 12 mA
gm	S1: 1.5 mA/VS2: 1.5 mA/V

9 pins - B9A - Small-button Noval 9-contact

Variations:3BU8

Sharp-cutoff twin pentode designed as combined television sync separator, sync clipper, and automatic-gain-control amplifier.

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