Electronic tube and vacuum tube catalog

Base

Refer to variations

Socket code

B9A

Sections

2

Heater

6.3 V / 550 mA

Plate

S1: 300 V / 6 W · S2: 300 V / 6 W

Screen

S1: 300 V / 1.25 W · S2: 300 V / 1.25 W

Ik max

S1: 40 mA · S2: 40 mA

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

Twin output pentode designed for stereo audio, push-pull output, and television oscillator/reactance service. Two pentode sections provide flexible dual-channel or paired output operation in one envelope.

Base

Refer to variations

Socket code

B9A

Sections

2

Heater

6.3 V / 550 mA

Plate

S1: 300 V / 12 W · S2: 300 V / 12 W

Screen

S1: 300 V / 1.25 W · S2: 300 V / 1.25 W

Ik max

S1: 40 mA · S2: 40 mA

rP

S1: 50,000 Ω · S2: 50,000 Ω

gm

S1: 6 mA/V · S2: 6 mA/V

B9A - Small-button Noval 9-contact

Twin audio power pentode containing two matched output sections for stereo, two-channel, or push-pull amplifier circuits. It integrates two independent power-output pentodes in one envelope.