Voltage - Radio Detector Converter Pentode-Triode Dissimilar Heater 10.5 V / 450 mA Plate S1: 330 V / 1 W S2: 330 V / 5 W Screen S2: 330 V / 1.1 W rP S1: 17,500 Ω S2: 75,000 Ω gm S1: 4 mA/V S2: 12.5 mA/V μ S1: 70 S2: 70
9 pins
Frame-grid triode-pentode used as combined oscillator and mixer stages in VHF color and black-and-white television receivers.
Voltage - Radio Detector Converter Pentode-Triode Dissimilar Heater 18.9 V / 150 mA Plate S1: 330 V / 3 W S2: 330 V / 3.1 W Screen S2: 330 V / 0.55 W Ik max S1: 25 mA S2: 25 mA rP S1: 5,000 Ω S2: 80,000 Ω gm S1: 8.5 mA/V S2: 6.4 mA/V μ S1: 40
9 pins - B9A - Small-button Noval 9-contact
Medium-mu triode and sharp-cutoff pentode used together as a television oscillator and mixer.
Voltage - Radio Detector Converter Pentode-Triode Dissimilar Heater 18.9 V / 150 mA Plate S1: 300 V / 2.5 W S2: 300 V / 2.5 W Screen S1: 300 V / 0.55 W rP S1: 200,000 Ω S2: 5,400 Ω gm S1: 7.5 mA/V S2: 8.5 mA/V μ S2: 46
9 pins - B9A - Small-button Noval 9-contact
Medium-mu triode and sharp-cutoff pentode used as an FM converter and RF amplifier in radio receivers.
Voltage - Radio Detector Converter Pentode-Triode Dissimilar Heater 18.9 V / 150 mA Plate S1: 300 V / 2.5 W S2: 300 V / 2.5 W Screen S1: 0.55 W rP S1: 200,000 Ω S2: 5,400 Ω gm S1: 7.5 mA/V S2: 8.5 mA/V μ S2: 46
9 pins - B9A - Small-button Noval 9-contact
Triode-pentode designed for combined oscillator and mixer service in receiving equipment.
Voltage - Radio Detector Converter Pentode-Triode Dissimilar Heater 18.9 V / 150 mA Plate S1: 250 V / 2.3 W S2: 250 V / 1.7 W Screen S1: 250 V / 0.45 W rP S1: 750,000 Ω S2: 6,900 Ω gm S1: 4.6 mA/V S2: 5.8 mA/V μ S2: 40
9 pins - B9A - Small-button Noval 9-contact
Medium-mu triode and sharp-cutoff pentode used as a combined oscillator and mixer in television and AM/FM receivers.
Voltage - Radio Detector Converter Pentode-Triode Dissimilar Heater 9 V / 300 mA Plate S1: 250 V / 1.7 W S2: 250 V / 1.5 W Screen S1: 175 V / 0.5 W Ik max S1: 14 mA S2: 14 mA gm S1: 6.2 mA/V S2: 5 mA/V μ S2: 20
9 pins - B9A - Small-button Noval 9-contact
VHF triode-pentode frequency changer for series-heater AC/DC television equipment.
Voltage - Radio Detector Converter Pentode-Triode Dissimilar Heater 9 V / 300 mA Plate S1: 250 V / 1.5 W S2: 250 V / 1.7 W Screen S2: 175 V / 0.5 W Ik max S1: 14 mA S2: 14 mA gm S1: 5 mA/V S2: 6.2 mA/V μ S1: 20
9 pins - B9A - Small-button Noval 9-contact
VHF triode-pentode frequency changer designed for series-heater television receivers.
Voltage - Radio Detector Converter Pentode-Triode Dissimilar Heater 9 V / 300 mA Plate S1: 250 V / 1.5 W S2: 250 V / 1.7 W Screen S2: 175 V / 0.5 W Ik max S1: 14 mA S2: 14 mA gm S1: 5 mA/V S2: 8.5 mA/V μ S1: 20 S2: 55
9 pins - B9A - Small-button Noval 9-contact
VHF triode-pentode frequency changer for AC/DC television receivers.
Voltage - Radio Detector Converter Pentode-Triode Dissimilar Heater 7.4 V / 300 mA Plate S1: 250 V / 2 W S2: 250 V / 2 W Screen S1: 230 V / 0.5 W Ik max S1: 18 mA S2: 15 mA gm S1: 11 mA/V S2: 5.5 mA/V μ S1: 50 S2: 17
9 pins - B9A - Small-button Noval 9-contact
Variable-mu frame-grid triode-pentode for VHF television tuner frequency changing and controlled IF amplification.
Voltage - Radio Detector Converter Pentode-Triode Dissimilar Heater 4.6 V / 600 mA Plate S1: 250 V / 1.7 W S2: 250 V / 1.7 W Screen S1: 200 V / 0.75 W Ik max S1: 14 mA S2: 14 mA rP S1: 400,000 Ω S2: 12,500 Ω gm S1: 5 mA/V S2: 5 mA/V μ S2: 20
9 pins - B9A - Small-button Noval 9-contact
Medium-mu triode plus sharp-cutoff pentode used as a television frequency changer.
Voltage - Radio Detector Converter Pentode-Triode Dissimilar Heater 4.6 V Plate S1: 125 V / 1.5 W S2: 250 V / 2 W Screen S2: 150 V / 0.5 W Ik max S1: 15 mA S2: 18 mA rP S2: 350,000 Ω gm S2: 12 mA/V μ S2: 70
9 pins - B9A - Small-button Noval 9-contact
Triode plus sharp-cutoff frame-grid RF pentode for frequency-changing service to approximately 220 MHz.
Voltage - Radio Detector Converter Pentode-Triode Dissimilar Heater 4.3 V / 600 mA Plate S1: 140 V / 1.8 W S2: 275 V / 2.4 W Screen S2: 275 V / 0.55 W Ik max S1: 22 mA S2: 20 mA rP S2: 350,000 Ω gm S1: 9 mA/V S2: 11 mA/V μ S1: 20
9 pins - B9A - Small-button Noval 9-contact
Medium-mu triode plus sharp-cutoff pentode used as a combined oscillator and mixer in television receivers.
Voltage - Radio Detector Converter Pentode-Triode Dissimilar Heater 4.2 V / 600 mA Plate S1: 275 V / 1.5 W S2: 275 V / 2.2 W Screen S2: 275 V / 0.45 W Ik max S1: 20 mA S2: 20 mA rP S1: 4,700 Ω S2: 200,000 Ω gm S1: 8.5 mA/V S2: 11 mA/V μ S1: 40
9 pins - B9A - Small-button Noval 9-contact
Triode plus frame-grid pentode designed for television frequency-converter service.
Voltage - Radio Detector Converter Pentode-Triode Dissimilar Heater 4.5 V / 600 mA Plate S1: 300 V / 1.5 W S2: 300 V / 2 W Screen S2: 300 V / 1.1 W Ik max S2: 20 mA rP S1: 5,000 Ω S2: 125,000 Ω gm S1: 8 mA/V S2: 12 mA/V μ S1: 40
9 pins - B9A - Small-button Noval 9-contact
Medium-mu triode plus frame-grid sharp-cutoff pentode used as a combined television oscillator and mixer.
Voltage - Radio Detector Converter Pentode-Triode Dissimilar Heater 4.3 V / 600 mA Plate S1: 280 V / 2 W S2: 280 V / 2 W Screen S2: 280 V Ik max S1: 20 mA S2: 20 mA rP S1: 5,000 Ω S2: 125,000 Ω gm S1: 8 mA/V S2: 13 mA/V μ S1: 40
9 pins - B9A - Small-button Noval 9-contact
Medium-mu triode plus sharp-cutoff pentode used as a combined oscillator and mixer in VHF television receivers.
Voltage - Radio Detector Converter Pentode-Triode Dissimilar Common cathode Heater 4.7 V / 600 mA Plate S1: 300 V / 2.7 W S2: 300 V / 2.3 W Screen S2: 300 V / 0.45 W rP S1: 6,000 Ω S2: 300,000 Ω gm S1: 6.5 mA/V S2: 5.5 mA/V μ S1: 40
9 pins - B9A - Small-button Noval 9-contact
Medium-mu triode plus sharp-cutoff pentode used as a combined oscillator and mixer in television receivers.
Voltage - Radio Detector Converter Pentode-Triode Dissimilar Heater 4.7 V / 600 mA Plate S1: 300 V / 2.6 W S2: 300 V / 2 W Screen S2: 300 V / 0.5 W rP S1: 5,750 Ω S2: 300,000 Ω gm S1: 3.3 mA/V S2: 6.2 mA/V μ S1: 19
9 pins - B9A - Small-button Noval 9-contact
Medium-mu triode and sharp-cutoff pentode for VHF oscillator and mixer service.
Voltage - Radio Detector Converter Pentode-Triode Dissimilar Heater 4.7 V / 600 mA Plate S1: 300 V / 2.7 W S2: 300 V / 2.8 W Screen S2: 300 V / 0.5 W rP S1: 5,000 Ω S2: 400,000 Ω gm S1: 8.5 mA/V S2: 5.2 mA/V μ S1: 40
9 pins - B9A - Small-button Noval 9-contact
Medium-mu triode plus sharp-cutoff pentode used as a combined oscillator and mixer in VHF television tuners.
Voltage - Radio Detector Converter Pentode-Triode Dissimilar Heater 4.7 V / 600 mA Plate S1: 275 V / 1.7 W S2: 275 V / 2.3 W Screen S2: 275 V / 0.45 W rP S1: 5,000 Ω S2: 300,000 Ω gm S1: 6.5 mA/V S2: 5.5 mA/V μ S1: 40
9 pins - B9A - Small-button Noval 9-contact
Medium-mu triode and sharp-cutoff pentode used as a combined oscillator and mixer in television and AM/FM receivers.
Voltage - Radio Detector Converter Pentode-Triode Dissimilar Heater 4.7 V / 600 mA Plate S1: 330 V / 2.5 W S2: 330 V / 3.1 W Screen S2: 330 V / 0.55 W rP S1: 5,000 Ω S2: 200,000 Ω gm S1: 8 mA/V S2: 6.4 mA/V μ S1: 40
9 pins - B9A - Small-button Noval 9-contact
Medium-mu triode and sharp-cutoff pentode used as a combined television oscillator and mixer.
Voltage - Radio Detector Converter Pentode-Triode Dissimilar Heater 4.7 V / 600 mA Plate S1: 300 V / 2 W S2: 300 V / 2.2 W Screen S2: 300 V / 0.55 W rP S1: 5,000 Ω S2: 170,000 Ω gm S1: 7.5 mA/V S2: 7.5 mA/V μ S1: 40
9 pins - B9A - Small-button Noval 9-contact
Medium-mu triode and sharp-cutoff pentode for VHF oscillator and mixer service.
Voltage - Radio Detector Converter Pentode-Triode Dissimilar Heater 4.7 V / 600 mA Plate S1: 330 V / 3 W S2: 330 V / 3.1 W Screen S2: 330 V / 0.55 W rP S1: 6,500 Ω S2: 600,000 Ω gm S1: 6 mA/V S2: 5.2 mA/V μ S1: 40
9 pins - B9A - Small-button Noval 9-contact
Triode-pentode designed for television oscillator and mixer service.
Voltage - Radio Detector Converter Pentode-Triode Dissimilar Heater 4.7 V / 600 mA Plate S1: 330 V / 2.5 W S2: 330 V / 2.5 W Screen S2: 330 V / 0.55 W rP S1: 5,700 Ω S2: 180,000 Ω gm S1: 7.5 mA/V S2: 6 mA/V μ S1: 43
9 pins - B9A - Small-button Noval 9-contact
Medium-mu triode plus sharp-cutoff pentode used as a combined oscillator and mixer in VHF television receivers.
Voltage - Radio Detector Converter Pentode-Triode Dissimilar Heater 4.7 V / 600 mA Plate S1: 330 V / 2 W S2: 330 V / 2.3 W Screen S2: 330 V / 0.55 W Ik max S1: 20 mA rP S1: 5,000 Ω S2: 200,000 Ω gm S1: 8 mA/V S2: 6.5 mA/V μ S1: 40
9 pins - B9A - Small-button Noval 9-contact
Medium-mu triode and sharp-cutoff pentode used together as oscillator and mixer in VHF television tuners.
Voltage - Radio Detector Converter Pentode-Triode Dissimilar Heater 5.6 V / 450 mA Plate S1: 140 V / 1.8 W S2: 275 V / 2.4 W Screen S2: 275 V / 0.55 W Ik max S1: 22 mA S2: 20 mA rP S1: 5,400 Ω S2: 350,000 Ω gm S1: 11 mA/V S2: 11 mA/V μ S1: 78
9 pins - B9A - Small-button Noval 9-contact
Combined triode-pentode used as an oscillator and mixer or frequency converter in television or VHF communications receivers.
Voltage - Radio Detector Converter Pentode-Triode Dissimilar Common cathode Heater 5.4 V / 450 mA Plate S1: 125 V / 1.5 W S2: 250 V / 2 W Screen S2: 150 V / 0.5 W Ik max S1: 15 mA S2: 18 mA rP S2: 350,000 Ω gm S1: 5.5 mA/V S2: 12 mA/V μ S1: 17
9 pins - B9A - Small-button Noval 9-contact
Combined triode-pentode used as an oscillator and mixer or frequency converter in television or VHF communications receivers.
Voltage - Radio Detector Converter Pentode-Triode Dissimilar Heater 5.6 V / 450 mA Plate S1: 275 V / 1.5 W S2: 275 V / 2.2 W Screen S2: 275 V / 0.45 W Ik max S1: 20 mA S2: 20 mA gm S1: 13 mA/V S2: 11 mA/V
9 pins - B9A - Small-button Noval 9-contact
Medium-mu triode and frame-grid sharp-cutoff pentode frequency converter for VHF television tuners.
Voltage - Radio Detector Converter Pentode-Triode Dissimilar Heater 4.7 V / 600 mA Plate S1: 330 V / 2.5 W S2: 330 V / 3.1 W Screen S2: 330 V / 0.55 W rP S1: 5,000 Ω S2: 200,000 Ω gm S1: 8.5 mA/V S2: 6.4 mA/V μ S1: 40
9 pins - B9A - Small-button Noval 9-contact
Combined triode-pentode used as an oscillator and mixer or frequency converter in television or VHF communications receivers.
Voltage - Radio Detector Converter Pentode-Triode Dissimilar Common cathode Heater 5.3 V / 450 mA Plate S1: 125 V / 1.5 W S2: 250 V / 2 W Screen S2: 160 V / 0.5 W Ik max S1: 16 mA S2: 18 mA rP S2: 150,000 Ω gm S1: 5.5 mA/V S2: 10 mA/V μ S1: 17
9 pins - B9A - Small-button Noval 9-contact
Combined triode-pentode used as an oscillator and mixer or frequency converter in television or VHF communications receivers.
Voltage - Radio Detector Converter Pentode-Triode Dissimilar Heater 5.6 V / 450 mA Plate S1: 330 V / 2.5 W S2: 330 V / 3 W Screen S2: 165 V / 0.55 W rP S1: 5,000 Ω S2: 200,000 Ω gm S1: 7.5 mA/V S2: 5 mA/V μ S1: 40 S2: 40
9 pins - B9A - Small-button Noval 9-contact
Combined triode-pentode used as an oscillator and mixer or frequency converter in television or VHF communications receivers.
Voltage - Radio Detector Converter Pentode-Triode Dissimilar Heater 5.6 V / 450 mA Plate S1: 280 V / 2 W S2: 280 V / 2 W Screen S2: 280 V Ik max S1: 20 mA S2: 20 mA rP S1: 5,000 Ω S2: 125,000 Ω gm S1: 8 mA/V S2: 12 mA/V μ S1: 40 S2: 40
9 pins - B9A - Small-button Noval 9-contact
Combined triode-pentode used as an oscillator and mixer or frequency converter in television or VHF communications receivers.
Voltage - Radio Detector Converter Pentode-Triode Dissimilar Heater 5.6 V / 450 mA Plate S1: 280 V / 2 W S2: 280 V / 2 W Screen S2: 280 V Ik max S1: 20 mA S2: 20 mA rP S1: 5,000 Ω S2: 125,000 Ω gm S1: 8 mA/V S2: 13 mA/V μ S1: 40 S2: 40
9 pins - B9A - Small-button Noval 9-contact
Combined triode-pentode used as an oscillator and mixer or frequency converter in television or VHF communications receivers.
Voltage - Radio Detector Converter Pentode-Triode Dissimilar Heater 5 V / 600 mA Plate S1: 250 V / 2.5 W S2: 250 V / 2.5 W Screen S2: 150 V / 0.5 W rP S1: 8,000 Ω S2: 200,000 Ω gm S1: 7.5 mA/V S2: 5 mA/V μ S1: 60 S2: 40
9 pins - B9A - Small-button Noval 9-contact
Combined triode-pentode used as an oscillator and mixer or frequency converter in television or VHF communications receivers.
Voltage - Radio Detector Converter Pentode-Triode Dissimilar Heater 4.7 V / 600 mA Plate S1: 250 V / 2 W S2: 250 V / 1.5 W Screen S1: 250 V / 0.4 W rP S1: 750,000 Ω S2: 6,900 Ω gm S1: 4.6 mA/V S2: 5.8 mA/V μ S1: 40 S2: 40
9 pins - B9A - Small-button Noval 9-contact
Combined triode-pentode used as an oscillator and mixer or frequency converter in television or VHF communications receivers.
Voltage - Radio Detector Converter Pentode-Triode Dissimilar Heater 6.3 V / 450 mA Plate S1: 330 V / 2.5 W S2: 330 V / 3 W Screen S2: 330 V / 0.55 W Ik max S1: 20 mA S2: 20 mA rP S1: 5,000 Ω S2: 400,000 Ω gm S1: 8.5 mA/V S2: 5.2 mA/V μ S1: 40
8 pins - IO - International Octal
Combined triode-pentode used as an oscillator and mixer or frequency converter in television or VHF communications receivers.
Voltage - Radio Detector Converter Pentode-Triode Dissimilar Heater 6.3 V / 450 mA Plate S1: 250 V / 2 W S2: 250 V / 2.4 W Screen S2: 250 V / 0.65 W rP S1: 6,900 Ω S2: 750,000 Ω gm S1: 5.8 mA/V S2: 4.6 mA/V μ S1: 40
9 pins - B9A - Small-button Noval 9-contact
Combined triode-pentode used as an oscillator and mixer or frequency converter in television or VHF communications receivers.
Voltage - Radio Detector Converter Pentode-Triode Dissimilar Common cathode Heater 6.3 V / 450 mA Plate S1: 275 V / 2.3 W S2: 275 V / 1.7 W Screen S1: 300 V / 0.65 W rP S1: 300,000 Ω S2: 6,000 Ω gm S1: 5.5 mA/V S2: 6.5 mA/V μ S2: 40
9 pins - B9A - Small-button Noval 9-contact
Medium-mu triode plus sharp-cutoff pentode used as a combined oscillator and mixer in television receivers with approximately 40 MHz IF.
Voltage - Radio Detector Converter Pentode-Triode Dissimilar Heater 6.3 V / 600 mA Plate S1: 300 V / 3 W S2: 300 V / 2.5 W Screen S1: 300 V / 1 W rP S1: 150,000 Ω S2: 5,150 Ω gm S1: 7 mA/V S2: 3.3 mA/V μ S2: 17
9 pins - B9A - Small-button Noval 9-contact
Sharp-cutoff pentode and medium-mu triode designed for television frequency-changing and amplifier service.
Voltage - Radio Detector Converter Pentode-Triode Dissimilar Heater 6.3 V / 450 mA Plate S1: 250 V / 1.5 W S2: 250 V / 1.7 W Screen S2: 175 V / 0.5 W Ik max S1: 14 mA S2: 14 mA rP S1: 20,000 Ω S2: 400,000 Ω gm S1: 5 mA/V S2: 6.2 mA/V μ S1: 47
9 pins - B9A - Small-button Noval 9-contact
Medium-mu triode plus sharp-cutoff pentode used primarily for television frequency-changer service.
Voltage - Radio Detector Converter Pentode-Triode Dissimilar Heater 6.3 V / 450 mA Plate S1: 300 V / 2.8 W S2: 300 V / 2.7 W Screen S1: 300 V / 0.5 W rP S1: 400,000 Ω S2: 5,000 Ω gm S1: 5.2 mA/V S2: 8.5 mA/V μ S2: 40
9 pins - B9A - Small-button Noval 9-contact
Triode-pentode designed for VHF television converter service, combining oscillator and mixer functions in one envelope.
Voltage - Radio Detector Converter Pentode-Triode Dissimilar Heater 6.3 V / 450 mA Plate S1: 330 V / 3 W S2: 330 V / 3 W Screen S2: 330 V rP S2: 400,000 Ω gm S1: 7.5 mA/V S2: 5 mA/V μ S1: 40
9 pins - B9A - Small-button Noval 9-contact
Medium-mu triode plus sharp-cutoff pentode used as a combined oscillator and mixer in VHF television tuners.
Voltage - Radio Detector Converter Pentode-Triode Dissimilar Heater 6.3 V / 350 mA Plate S1: 250 V / 2 W S2: 250 V / 2 W Screen S1: 0.5 W Ik max S1: 18 mA S2: 15 mA gm S1: 11 mA/V S2: 5.5 mA/V μ S1: 50 S2: 17
9 pins - B9A - Small-button Noval 9-contact
VHF triode plus variable-mu frame-grid pentode designed for television tuner frequency-changing and intermediate-frequency amplifier service.
Voltage - Radio Detector Converter Pentode-Triode Dissimilar Heater 6.3 V / 450 mA Plate S1: 250 V / 1.5 W S2: 250 V / 2 W Screen S2: 150 V rP S1: 6,900 Ω S2: 750,000 Ω gm S1: 5.8 mA/V S2: 4.6 mA/V μ S1: 40
9 pins - B9A - Small-button Noval 9-contact
Triode oscillator plus sharp-cutoff pentode mixer designed for television tuner frequency-converter service.
Voltage - Radio Detector Converter Pentode-Triode Dissimilar Heater 6.3 V / 450 mA Plate S1: 275 V / 2.3 W S2: 275 V / 1.7 W Screen S1: 275 V / 0.45 W rP S1: 300,000 Ω S2: 6,000 Ω gm S1: 5.7 mA/V S2: 6.5 mA/V μ S2: 40
9 pins - B9A - Small-button Noval 9-contact
Triode-pentode television converter family combining oscillator and mixer functions for VHF tuner frequency-changing service.
Voltage - Radio Detector Converter Pentode-Triode Dissimilar Heater 6.3 V / 450 mA Plate S1: 330 V / 3.1 W S2: 330 V / 3 W Screen S1: 350 V / 0.55 W Ik max S1: 25 mA S2: 25 mA rP S1: 80,000 Ω S2: 5,000 Ω gm S1: 6.4 mA/V S2: 8.5 mA/V μ S2: 40
9 pins - B9A - Small-button Noval 9-contact
Medium-mu triode and sharp-cutoff pentode used as a combined television oscillator and mixer around a 40 MHz intermediate frequency.
Voltage - Radio Detector Converter Pentode-Triode Dissimilar Heater 6.3 V / 450 mA Plate S1: 300 V / 2.8 W S2: 300 V / 2.5 W Screen S1: 300 V / 0.5 W rP S1: 170,000 Ω S2: 7,000 Ω gm S1: 6.5 mA/V S2: 7.5 mA/V μ S2: 40
9 pins - B9A - Small-button Noval 9-contact
Miniature sharp-cutoff pentode plus triode designed primarily for combined television oscillator and mixer frequency-converter service.
Voltage - Radio Detector Converter Pentode-Triode Dissimilar Heater 6.3 V / 450 mA Plate S1: 330 V / 3.1 W S2: 330 V / 3 W Screen S1: 330 V / 0.55 W rP S1: 80,000 Ω S2: 5,000 Ω gm S1: 6.4 mA/V S2: 8.5 mA/V μ S2: 40
9 pins - B9A - Small-button Noval 9-contact
Triode oscillator plus sharp-cutoff pentode mixer for television frequency-converter service, with controlled heater-cathode warm-up.
Voltage - Radio Detector Converter Pentode-Triode Dissimilar Common cathode Heater 6.3 V / 300 mA Plate S1: 250 V / 1 W S2: 250 V / 1 W Screen S2: 100 V / 0.25 W rP S1: 16,000 Ω S2: 850,000 Ω gm S1: 0.5 mA/V S2: 1.1 mA/V μ S1: 8
7 pins - UX7 - Small 7-contact (0.75-inch pin circle)
Combined triode and pentode for receiver amplifier plus detector/converter applications, integrating multiple radio signal-processing functions in one envelope.
Voltage - Radio Detector Converter Pentode-Triode Dissimilar Heater 6.3 V / 300 mA Plate S2: 250 V Screen S2: 100 V μ S1: 8.5
8 pins - IO - International Octal
Combined triode-pentode designed for detector, oscillator, and amplifier service in radio receiving equipment.
Voltage - Radio Detector Converter Pentode-Triode Dissimilar Heater 6.3 V / 300 mA Plate S2: 250 V Screen S2: 100 V μ S1: 8.5
8 pins - IO - International Octal
Combined triode-pentode designed for detector, oscillator, and amplifier service in radio receiving equipment.
