Electronic tube and vacuum tube catalog

Base

—

Socket code

IO

Sections

2

Heater

12.6 V / 100 mA

Plate

S1: 300 V / 0.5 W

Ik max

S1: 5 mA

IO - International Octal

Ediswan/Mazda electronic tuning indicator for visual receiver tuning or signal-level indication.

Base

60

Socket code

IO

Sections

2

Heater

12.6 V / 150 mA

Plate

S1: 250 V

rP

S1: 9,500 Ω

gm

S1: 1.45 mA/V

μ

S1: 13.8

8 pins - IO - International Octal

Electron-ray visual indicator for receiver tuning or electrical level indication, using a fluorescent display whose pattern changes with control voltage.

Base

—

Socket code

IO

Sections

2

Heater

12.6 V / 150 mA

IO - International Octal

Electron-ray visual indicator for receiver tuning or electrical level indication, using a fluorescent display whose pattern changes with control voltage.

Base

7AL

Socket code

IO

Sections

2

Heater

12.6 V / 150 mA

Plate

S1: 250 V · S2: 250 V

7 pins - IO - International Octal

Magic-eye tuning indicator combining a triode control section with a fluorescent electron-ray display for receiver tuning indication.

Base

6R

Socket code

—

Sections

2

Heater

2.5 V / 800 mA

Plate

S2: 250 V

6 pins

Electron-ray visual indicator for receiver tuning or electrical level indication, using a fluorescent display whose pattern changes with control voltage.

Base

—

Socket code

—

Sections

2

Heater

2.5 V / 800 mA

Plate

S1: 250 V

7 pins

Circular fluorescent tuning indicator incorporating an internally connected remote-cutoff triode amplifier.

Base

—

Socket code

—

Sections

2

Heater

6.3 V / 200 mA

Plate

S1: 350 V

rP

S1: 100,000 Ω

gm

S1: 0.65 mA/V

μ

S1: 65

Visual tuning indicator combining a triode amplifier with a fluorescent cathode-ray display whose luminous pattern varies with tuning-control voltage.

Base

6R

Socket code

Refer to variations

Sections

2

Heater

6.3 V / 150 mA

Plate

S1: 135 V

6 pins

Electron-ray visual indicator for receiver tuning or electrical level indication, using a fluorescent display whose pattern changes with control voltage.

Base

Refer to variations

Socket code

B9A

Sections

2

Heater

6.3 V / 300 mA

Plate

S1: 300 V / 0.2 W

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

Electron-ray visual indicator for receiver tuning or electrical level indication, using a fluorescent display whose pattern changes with control voltage.

Base

8EV

Socket code

IO

Sections

2

Heater

6.3 V / 200 mA

Plate

S1: 300 V

IO - International Octal

Electron-ray visual indicator for receiver tuning or electrical level indication, using a fluorescent display whose pattern changes with control voltage.

Base

Refer to variations

Socket code

B9A

Sections

2

Heater

6.3 V / 300 mA

Plate

S1: 300 V / 0.2 W

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

Electron-ray visual indicator for receiver tuning or electrical level indication, using a fluorescent display whose pattern changes with control voltage.

Base

Refer to variations

Socket code

B9A

Sections

2

Heater

6.3 V / 300 mA

Plate

S1: 3 W · S2: 0.2 W

gm

S1: 0.5 mA/V

μ

S1: 24

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

Russian electron-ray indicator combining a triode control system with a fluorescent crater-anode display.

Base

6R

Socket code

UX6

Sections

2

Heater

6.3 V / 300 mA

Plate

S1: 250 V / 0.5 W · S2: 250 V / 1 W

Ik max

S1: 5 mA · S2: 5 mA

rP

S1: 1,000,000 Ω

gm

S1: 0.25 mA/V

μ

S1: 20

6 pins - UX6 - Small 6-contact

Classic glass electron-ray tuning indicator combining a triode control section with a fluorescent variable-shadow display for accurate receiver tuning.

Base

Refer to variations

Socket code

B9A

Sections

2

Heater

6.3 V / 270 mA

Plate

S2: 0.5 W

B9A - Small-button Noval 9-contact

Miniature tuning indicator for broadcast receivers and tape recorders, using two converging fluorescent bars controlled by an internal triode.

Base

Refer to variations

Socket code

UX6

Sections

2

Heater

6.3 V / 300 mA

Plate

S1: 250 V / 1 W · S2: 250 V

6 pins - UX6 - Small 6-contact

Electron-ray visual indicator for receiver tuning or electrical level indication, using a fluorescent display whose pattern changes with control voltage.

Base

—

Socket code

IO

Sections

2

Heater

6.3 V / 300 mA

Plate

S1: 250 V

IO - International Octal

Electron-ray visual indicator for receiver tuning or electrical level indication, using a fluorescent display whose pattern changes with control voltage.

Base

Refer to variations

Socket code

B9A

Sections

2

Heater

6.3 V / 300 mA

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

Electron-ray audio-level indicator designed specifically for tape recorders, providing a fluorescent visual display of changing recording signal level.

Base

IO8

Socket code

IO

Sections

2

Heater

6.3 V / 200 mA

Plate

S1: 0.5 W

8 pins - IO - International Octal

Dual-sensitivity cathode-ray tuning indicator producing a fluorescent Maltese-cross display for visual receiver tuning across differing control-voltage ranges.

Base

6R

Socket code

UX6

Sections

2

Heater

6.3 V / 150 mA

Plate

S2: 180 V

6 pins - UX6 - Small 6-contact

Triode-controlled visual tuning indicator combining a control triode with a fluorescent display for translating receiver control voltage into visible tuning indication.

Base

—

Socket code

UX6

Sections

2

Heater

6.3 V / 300 mA

6 pins - UX6 - Small 6-contact

Electron-ray tuning indicator providing visual indication of receiver tuning or changing signal-derived control voltage through a fluorescent display.

Base

6R

Socket code

UX6

Sections

2

Heater

6.3 V / 300 mA

Plate

S1: 250 V

6 pins - UX6 - Small 6-contact

Vacuum tuning indicator with integral triode control section, converting receiver control-voltage changes into a visible fluorescent tuning display.

Base

6R

Socket code

UX6

Sections

2

Heater

6.3 V / 300 mA

Plate

S1: 285 V / 1 W · S2: 285 V

6 pins - UX6 - Small 6-contact

Circular electron-ray tuning indicator with integral remote-cutoff triode amplifier, producing a variable fluorescent shadow for accurate receiver tuning.

Base

—

Socket code

IO

Sections

2

Heater

6.3 V / 300 mA

8 pins - IO - International Octal

Magic-eye electron-ray tuning indicator using a fluorescent target and signal-controlled shadow for visual receiver tuning.

Base

—

Socket code

—

Sections

2

Heater

4 V / 500 mA

Plate

S1: 250 V

7 pins

Mazda AC/ME cathode-ray tuning indicator for AC-mains receivers, using a fluorescent target and control electrode for visible tuning indication.

Base

P26

Socket code

—

Sections

2

Heater

4 V / 300 mA

Plate

S1: 250 V

Four-volt tuning-cross visual indicator producing a fluorescent cross-pattern controlled by signal-derived voltage for accurate receiver tuning.

Base

P30

Socket code

—

Sections

2

Heater

4 V / 320 mA

Plate

S1: 250 V / 1.5 W

Ik max

S1: 12 mA

rP

S1: 25,000 Ω

gm

S1: 2 mA/V

μ

S1: 50

Electron-ray tuning indicator combining a control triode with fluorescent display for visual tuning indication in AC-mains receivers.

Base

—

Socket code

—

Sections

2

Base

—

Socket code

—

Sections

2

Heater

6.3 V / 200 mA

Philips electron-ray tuning indicator with integral control triode and fluorescent display for visual receiver tuning or signal-strength indication.

Base

—

Socket code

P8A

Sections

2

Heater

6.3 V / 100 mA

Plate

S1: 18.5 V / 0.5 W · S2: 300 V / 1 W

Screen

S1: 6.25 V

Ik max

S1: 5 mA · S2: 5 mA

gm

S1: 0.235 mA/V

P8A - European 8-pin side-contact base

Dual-sensitivity electron-ray tuning indicator with two shadow-angle systems for visual tuning over a broad range of receiver signal strengths.

Base

—

Socket code

—

Sections

2

Heater

6.3 V / 200 mA

Philips electron-ray tuning indicator providing fluorescent visual indication of receiver tuning and changing signal-derived control voltage.

Base

—

Socket code

—

Sections

2

Heater

6.3 V / 200 mA

Plate

S1: 275 V

Philips fluorescent tuning indicator for visual receiver tuning or signal-level indication.

Base

Octal

Socket code

IO

Sections

2

Heater

6.3 V / 200 mA

Plate

S1: 275 V · S2: 300 V

8 pins - IO - International Octal

Dual-sensitivity electron-ray tuning indicator with two display systems of different sensitivity for visual tuning across a broad signal range.

Base

—

Socket code

B8G

Sections

2

Heater

6.3 V / 300 mA

Plate

S1: 500 V / 0.5 W

Ik max

S1: 6 mA

B8G - Loctal 8-contact

Electron-ray tuning indicator for visual receiver tuning and signal-level indication using a fluorescent display system.

Base

B9A

Socket code

B9A

Sections

2

Heater

6.3 V / 300 mA

Plate

S2: 300 V / 0.2 W

Ik max

S2: 3 mA

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

Electron-beam tuning indicator for FM and AM receivers, combining an integral control triode with a distinctive three-petal green fluorescent display.

Base

Refer to variations

Socket code

B9A

Sections

2

Heater

6.3 V / 300 mA

Plate

S1: 300 V · S2: 300 V / 0.2 W

Ik max

S2: 3 A

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

Green electron-beam tuning indicator for FM/AM receivers that also serves as a recording-level indicator in tape equipment.

Base

Noval

Socket code

B9A

Sections

2

Heater

6.3 V / 210 mA

Plate

S1: 300 V / 0.5 W · S2: 300 V / 0.5 W

Ik max

S2: 3 mA

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

Magic-band tuning indicator with integral triode amplifier and elongated fluorescent display whose illuminated length indicates receiver tuning or signal level.

Base

B9A

Socket code

B9A

Sections

2

Heater

6.3 V / 300 mA

Plate

S1: 300 V / 0.6 W · S2: 300 V

Ik max

S2: 5 A

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

Sensitive tuning and level indicator combining an amplifying triode with a fluorescent display for receiver tuning, signal-strength, and other variable-level indication.

Base

—

Socket code

B9A

Sections

2

Heater

12.6 V / 150 mA

B9A - Small-button Noval 9-contact

Magic-fan fluorescent tuning indicator providing a fan-shaped visual response to receiver control voltage for tuning and signal-strength observation.

Base

Noval

Socket code

B9A

Sections

2

Heater

4.5 V / 300 mA

Plate

S1: 300 V / 0.5 W

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

Series-heater electron-ray indicator with amplifying triode, designed for sensitive visual tuning indication in 300 mA heater-chain equipment.

Base

—

Socket code

Y8A

Sections

2

Heater

15 V / 100 mA

Plate

S1: 300 V / 0.5 W · S2: 300 V

Ik max

S1: 5 mA · S2: 5 mA

Y8A - Steel-tube 8-contact

Series-heater luminous tuning indicator with two shadow sectors of differing sensitivity, providing useful indication for both weak and strong received signals.

Base

—

Socket code

IO

Sections

2

Heater

12.6 V / 100 mA

Plate

S1: 250 V · S2: 250 V

IO - International Octal

Electron-beam fluorescent tuning indicator using a 12.6 V heater and otherwise electrically equivalent to EM34, providing visual receiver tuning response.

Base

Refer to variations

Socket code

B9A

Sections

2

Heater

12 V / 100 mA

Plate

S1: 250 V / 0.5 W · S2: 250 V

B9A - Small-button Noval 9-contact

Series-heater tuning indicator with amplifying triode, designed for receiver tuning or modulation-control service with a sensitive fluorescent visual display.