Electronic tube and vacuum tube catalog

Base

9LZ

Socket code

B9A

Sections

2

Heater

6.3 V / 660 mA

Plate

S1: 330 V / 0.5 W · S2: 330 V / 9 W

Screen

S2: 330 V / 1.8 W

Ik max

S1: 4 mA · S2: 55 mA

rP

S1: 45,000 Ω · S2: 48,000 Ω

gm

S1: 1.6 mA/V · S2: 10 mA/V

μ

S1: 100

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

High-mu triode plus sharp-cutoff power pentode used in audio preamplifier and output stages of audio equipment and television receivers, integrating voltage gain and power output in one envelope.

Base

9LZ

Socket code

B9A

Sections

2

Heater

6.3 V / 660 mA

Plate

S1: 300 V / 0.5 W · S2: 300 V / 9 W

Screen

S2: 300 V / 1.8 W

Ik max

S1: 4 mA · S2: 55 mA

rP

S1: 50,000 Ω · S2: 48,000 Ω

gm

S1: 1.6 mA/V · S2: 10 mA/V

μ

S1: 100 · S2: 21

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

Combination valve incorporating a power-output pentode with diode or triode sections for audio-frequency amplification, detection, or driver service.