Vacuum Tube - 300B, Electro-Harmonix, Gold Pin

Electro-Harmonix
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Vacuum Tube - 300B, Electro-Harmonix, Gold Pin

Starting at: $106.95
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Electro-Harmonix 300B power triode tube with gold pins. Made in Russia. Premium version of the 300B EH with gold grid wire for increased bias stability as well as top of the line sonics and performance.

SKU:
T-300B-GOLD-EH
Item ID:
039542
Brand:
Electro-Harmonix
Part Numbers
Single or MatchedOur Part NumberUPC/EAN
SingleT-300B-GOLD-EH841358101892
Matched PairT-300B-GOLD-EH-MP841358101908
Matched QuadT-300B-GOLD-EH-MQ841358101915
Product Measurements by Type
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 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-300B-GOLD-EH-MP7 in. × 5.6 in. × 2.74 in.
Matched Quad versionT-300B-GOLD-EH-MQ7 in. × 5.6 in. × 5.46 in.
Single versionT-300B-GOLD-EH7 in. × 2.75 in. × 2.75 in.
Weight (Packaging)Matched Pair versionT-300B-GOLD-EH-MP2.514 lbs.
Matched Quad versionT-300B-GOLD-EH-MQ5.028 lbs.
Single versionT-300B-GOLD-EH0.296 lbs.
Product Measurements by Item
T-300B-GOLD-EH-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 V
Plate Dissipation (Wa)40 W
Plate Resistance (Ra)700 Ω
Plate Voltage (Ua)450 V
Transconductance (S)5.5 mA/V
T-300B-GOLD-EH-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 V
Plate Dissipation (Wa)40 W
Plate Resistance (Ra)700 Ω
Plate Voltage (Ua)450 V
Transconductance (S)5.5 mA/V
T-300B-GOLD-EH - 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 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 Sheet1.01 MB

Questions and Answers

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Asked by Anonymous on January 12th, 2017.
Matt H
January 12th, 2017
Yes, this listing is for one matched pair of 300B's as well as singles and quads. Simply select your preference in the drop-down menu below the price.

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