Vacuum Tube - PX300B, Genalex Gold Lion, Gold Pin

Vacuum Tube - PX300B, Genalex Gold Lion, Gold Pin

Genalex
Vacuum Tube - PX300B, Genalex Gold Lion, Gold Pin image 1
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Genalex Gold Lion PX300B power triode tube with gold pins. Made in Russia. In Europe during the 1930s the GEC (Genalex)/Marconi-Osram PX4 and PX25 power triodes were considered the finest audio triodes of their day. In keeping with the tradition of Genalex to provide the highest quality tubes, New Sensor has released the Genalex Gold Lion PX300B audio power triode. This tube is the highest quality 300B type available and is considered to be an upgrade in any 300B amplifier.

SKU:
T-PX300B-GOLD-GEN
Item ID:
039551
Brand:
Genalex
Part Numbers
Single or MatchedOur Part NumberUPC/EAN
SingleT-PX300B-GOLD-GEN841358102660
Matched PairT-PX300B-GOLD-GEN-MP841358102677
Matched QuadT-PX300B-GOLD-GEN-MQ841358102684
Amplification Factor3.85
Bulb Temperature250°C
Capacitance, Grid to Filament9 pF
Capacitance, Plate to Filament4.3 pF
Capacitance, grid to plate15 pF
Cathode Current (Ik)100 mA
Grid Circuit Resistance (Rg), Fixed Bias50 kΩ
Grid Circuit Resistance (Rg), Self Bias0.5 MΩ
Heater Current1.25 A
Heater Voltage5.0 V
Plate Dissipation (Wa)40 W
Plate Resistance (Ra)700 Ω
Plate Voltage (Ua)≤ 450 V
Transconductance (S)5.5 mA/V
Packaging Information
Packaging DimensionsMatched Pair versionT-PX300B-GOLD-GEN-MP7 in. × 5.28 in. × 2.67 in.
Matched Quad versionT-PX300B-GOLD-GEN-MQ7 in. × 5.38 in. × 5.28 in.
Single versionT-PX300B-GOLD-GEN7 in. × 2.75 in. × 2.75 in.
Weight (Packaging)Matched Pair versionT-PX300B-GOLD-GEN-MP0.6702 lbs.
Matched Quad versionT-PX300B-GOLD-GEN-MQ1.3404 lbs.
Single versionT-PX300B-GOLD-GEN0.3373 lbs.
T-PX300B-GOLD-GEN-MP - Matched Pair versionAmplification Factor3.85
Bulb Temperature250°C
Capacitance, Grid to Filament9 pF
Capacitance, Plate to Filament4.3 pF
Capacitance, grid to plate15 pF
Cathode Current (Ik)100 mA
Grid Circuit Resistance (Rg), Fixed Bias50 kΩ
Grid Circuit Resistance (Rg), Self Bias0.5 MΩ
Heater Current1.25 A
Heater Voltage5.0 V
Plate Dissipation (Wa)40 W
Plate Resistance (Ra)700 Ω
Plate Voltage (Ua)≤ 450 V
Transconductance (S)5.5 mA/V
T-PX300B-GOLD-GEN-MQ - Matched Quad versionAmplification Factor3.85
Bulb Temperature250°C
Capacitance, Grid to Filament9 pF
Capacitance, Plate to Filament4.3 pF
Capacitance, grid to plate15 pF
Cathode Current (Ik)100 mA
Grid Circuit Resistance (Rg), Fixed Bias50 kΩ
Grid Circuit Resistance (Rg), Self Bias0.5 MΩ
Heater Current1.25 A
Heater Voltage5.0 V
Plate Dissipation (Wa)40 W
Plate Resistance (Ra)700 Ω
Plate Voltage (Ua)≤ 450 V
Transconductance (S)5.5 mA/V
T-PX300B-GOLD-GEN - Single versionAmplification Factor3.85
Bulb Temperature250°C
Capacitance, Grid to Filament9 pF
Capacitance, Plate to Filament4.3 pF
Capacitance, grid to plate15 pF
Cathode Current (Ik)100 mA
Grid Circuit Resistance (Rg), Fixed Bias50 kΩ
Grid Circuit Resistance (Rg), Self Bias0.5 MΩ
Heater Current1.25 A
Heater Voltage5.0 V
Plate Dissipation (Wa)40 W
Plate Resistance (Ra)700 Ω
Plate Voltage (Ua)≤ 450 V
Transconductance (S)5.5 mA/V

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Specifications, Files, and Documents

PDF: Specification Sheet Specification Sheet525.63 KB
Questions? Contact us at [email protected], or give us a call at 480-755-4712