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Vacuum Tube - EL84, Electro-Harmonix

Starting at: $12^.95

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Tube measurements are as follows:

Height: 2.75” (without pins)*
Diameter: 0.87” *

*Note: Due to the method of production in regards to the glass, measurements may vary slightly.

Matched versions of this tube use Apex Matching

RoHS Compliant

SKU:

T-EL84-EH

Item ID:

004854

Brand:

Electro-Harmonix, Apex Matched

Type:

Power

Part Numbers
Single or Matched	Our Part Number	UPC/EAN
Apex Matched Pair	T-EL84-EH-MP	609722127790
Apex Matched Quad	T-EL84-EH-MQ	609722127806
Single	T-EL84-EH	683274021744

Measurements by Type
Measurements by Item

Product Measurements by Type
Capacitance, Transfer		0.2 pF
Capacitance, input		11 pF
Capacitance, output		7.0 pF
Cathode to Heater Insulation Resistance		5.0 MΩ
Cathode to Heater Voltage		100 V
Grid 1 Reverse Current		1 μA
Grid 1 Voltage		-7.3 V
Grid 2 Current		10 mA
Grid 2 Voltage		250 V
Grid Circuit Resistance (R_g)		0.51 MΩ
Heater Current		700 mA - 820 mA
Heater Voltage		55.7 V - 6.3 V
Non-linear Distortion Ratio		17 %
Output Power (P_Out)		5.5 W
Plate Circuit Resistance		5.2 kΩ
Plate Current (I_a)		44 mA - 64 mA
Plate Voltage (U_a)		250 V
Transconductance (S)		9.0 mA/V - 11.3 mA/V

Packaging Information
Packaging Dimensions	Apex Matched Pair version	T-EL84-EH-MP	3.25 in. × 2 in. × 1 in.
	Apex Matched Quad version	T-EL84-EH-MQ	3.25 in. × 2 in. × 2 in.
	Single version	T-EL84-EH	1.1 in. × 1.1 in. × 3.4 in.
Weight (Packaging)	Apex Matched Pair version	T-EL84-EH-MP	0.1 lbs.
	Apex Matched Quad version	T-EL84-EH-MQ	0.2 lbs.
	Single version	T-EL84-EH	0.05 lbs.

Product Measurements by Item
T-EL84-EH-MP - Apex Matched Pair version	Capacitance, Transfer	0.2 pF
	Capacitance, input	11 pF
	Capacitance, output	7.0 pF
	Cathode to Heater Insulation Resistance	5.0 MΩ
	Cathode to Heater Voltage	100 V
	Grid 1 Reverse Current	1 μA
	Grid 1 Voltage	-7.3 V
	Grid 2 Current	10 mA
	Grid 2 Voltage	250 V
	Grid Circuit Resistance (R_g)	0.51 MΩ
	Heater Current	700 mA - 820 mA
	Heater Voltage	55.7 V - 6.3 V
	Non-linear Distortion Ratio	17 %
	Output Power (P_Out)	5.5 W
	Plate Circuit Resistance	5.2 kΩ
	Plate Current (I_a)	44 mA - 64 mA
	Plate Voltage (U_a)	250 V
	Transconductance (S)	9.0 mA/V - 11.3 mA/V
T-EL84-EH-MQ - Apex Matched Quad version	Capacitance, Transfer	0.2 pF
	Capacitance, input	11 pF
	Capacitance, output	7.0 pF
	Cathode to Heater Insulation Resistance	5.0 MΩ
	Cathode to Heater Voltage	100 V
	Grid 1 Reverse Current	1 μA
	Grid 1 Voltage	-7.3 V
	Grid 2 Current	10 mA
	Grid 2 Voltage	250 V
	Grid Circuit Resistance (R_g)	0.51 MΩ
	Heater Current	700 mA - 820 mA
	Heater Voltage	55.7 V - 6.3 V
	Non-linear Distortion Ratio	17 %
	Output Power (P_Out)	5.5 W
	Plate Circuit Resistance	5.2 kΩ
	Plate Current (I_a)	44 mA - 64 mA
	Plate Voltage (U_a)	250 V
	Transconductance (S)	9.0 mA/V - 11.3 mA/V
T-EL84-EH - Single version	Capacitance, Transfer	0.2 pF
	Capacitance, input	11 pF
	Capacitance, output	7.0 pF
	Cathode to Heater Insulation Resistance	5.0 MΩ
	Cathode to Heater Voltage	100 V
	Grid 1 Reverse Current	1 μA
	Grid 1 Voltage	-7.3 V
	Grid 2 Current	10 mA
	Grid 2 Voltage	250 V
	Grid Circuit Resistance (R_g)	0.51 MΩ
	Heater Current	700 mA - 820 mA
	Heater Voltage	55.7 V - 6.3 V
	Non-linear Distortion Ratio	17 %
	Output Power (P_Out)	5.5 W
	Plate Circuit Resistance	5.2 kΩ
	Plate Current (I_a)	44 mA - 64 mA
	Plate Voltage (U_a)	250 V
	Transconductance (S)	9.0 mA/V - 11.3 mA/V

Specification Sheet	All Models

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Specifications, Files, and Documents

Specification Sheet

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Questions and Answers

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1 answers Can i use this tube in a behringer vintage tube monster vt999 ???

Asked by Anonymous on October 25th, 2017.

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Matt H

October 25th, 2017

No this pedal uses a 12AX7 (ECC83) and the EL84 is not compatible.

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Product Reviews

5.00 out of 5 based on 1 reviews

Raydog - September 8th, 2018

5 out of 5

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Only a couple of hours play time. So far so good!!

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The following items can be substituted for this product. While not necessarily exactly the same, they will function as replacement items in your project.