Vacuum Tube - EL84, Electro-Harmonix

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Vacuum Tube - EL84, Electro-Harmonix

Starting at: $11.70
In stock

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.

Apex Tube Matching
Matched versions of this tube use Apex Matching
RoHS Compliant
Item ID:
Electro-Harmonix, Apex Matched
Part Numbers
Single or MatchedOur Part NumberUPC/EAN
Apex Matched PairT-EL84-EH-MP609722127790
Apex Matched QuadT-EL84-EH-MQ609722127806
Product Measurements
Capacitance, Transfer0.2 pF
Capacitance, input11 pF
Capacitance, output7.0 pF
Cathode to Heater Insulation Resistance5.0 MΩ
Cathode to Heater Voltage100 V
Grid 1 Reverse Current1 μA
Grid 1 Voltage-7.3 V
Grid 2 Current10 mA
Grid 2 Voltage250 V
Grid Circuit Resistance (Rg)0.51 MΩ
Heater Current700 mA - 820 mA
Heater Voltage55.7 V - 6.3 V
Non-linear Distortion Ratio17 %
Output Power (POut)5.5 W
Plate Circuit Resistance5.2 kΩ
Plate Current (Ia)44 mA - 64 mA
Plate Voltage (Ua)250 V
Transconductance (S)9.0 mA/V - 11.3 mA/V
Packaging Information
Packaging DimensionsApex Matched Pair version3.25 in. × 2 in. × 1 in.
Apex Matched Quad version3.25 in. × 2 in. × 2 in.
Single version1.1 in. × 1.1 in. × 3.4 in.
Weight (Packaging)Apex Matched Pair version0.1 lbs.
Apex Matched Quad version0.2 lbs.
Single version0.05 lbs.

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Specifications, Files, and Documents

PDF: Specification Sheet Specification Sheet229.1 KB

Questions and Answers

Click each question to see its answers.
Asked by Anonymous on October 25th, 2017.
Matt H
October 25th, 2017
No this pedal uses a 12AX7 (ECC83) and the EL84 is not compatible.

Product Reviews

5.00 out of 5 based on 1 reviews
- September 8th, 2018
5 out of 5

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

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