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CED Electro Harmonix T 12AX7EH Vacuum Tube 12AX7 / ECC83 Electro Harmonix P13094024CED-T-12AX7-GOLD-EH https://cdnimages.opentip.com/full/CED/CED-T-12AX7EH.jpg Electro Harmonix T 12AX7EH Vacuum Tube 12AX7 / ECC83 Electro Harmonix Manufacturer Part Number: T-12AX7EHThis Russian tube is full bodied and bright with a more straightforward presentation. It packs a lot of bite with its higher-than-normal gain. In overdrive, it offers a lot of crunchy fizz. High gain preamplifier tube with ultra low noise and detailed, musical tone. Unique spiral filament eliminates filament to cathode induced hum common on amplifiers that use AC on the filaments.Superior high gain short plate format Twin Triode, with ultra-low noise and detailed, musical tone.Ultra-low noise thanks to unique spiral filament which eliminates cathode-to-filament induced hum on certain ampsECC83/7025 equivalentFor more information about our 12AX7 tubes, see our tech corner article on 12AX7s.Measurements and Specs Amplification Factor78 min, 92 nominal Capacitance, Cathode to Heater5.0 nF Capacitance, Grid to Cathode1.6 pF Capacitance, Grid to Heater1.6 pF Capacitance, Plate to Cathode0.44 pF / 0.36 pF Capacitance, Plate to Heater0.44 pF / 0.36 pF Capacitance, Plate to Plate520 pF Capacitance, grid to plate1.6 pF Grid Circuit Resistance (Rg), Fixed Bias1 MΩ Grid Circuit Resistance (Rg), Self Bias2.2 MΩ Grid Reverse Current0.2 μA Heater Voltage6.0 - 6.6 V / 12.0 - 13.2 V Heater to Cathode Voltage, Negative200 V Heater to Cathode Voltage, Positive100 V Plate Current (Ia)9 mA Plate Dissipation, per triode (Wa)1.0 W Plate Resistance (Ra)54.1 kΩ Plate Voltage (Ua)300 V Transconductance (S)≥ 1.4 mA/V, 1.7 mA/V nominal Packaging DimensionsGold versionT-12AX7-GOLD-EH2.75 in. × 1 in. × 1 in. Regular versionT-12AX7EH1.1 in. × 1.1 in. × 3.1 in. Weight (Packaging)Gold versionT-12AX7-GOLD-EH0.035 lbs. Regular versionT-12AX7EH0.038 lbs. Files Specification SheetAll Models 13094024 0841358101762 0.0400lbs 0.00 0.00 0.00
Electro-Harmonix
38.76 2025-04-19 Out of Stock
customer review - by , August 8, 2020
5/ 5stars
Bought for my orange mini dark terror amp. Stays clean and clear until the gain is at 1 o'clock; thenWarm crunch. Turn beyond that andIt makes the dark terror a terror with a boost
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Electro-Harmonix T-12AX7EH Vacuum Tube - 12AX7 / ECC83, Electro-Harmonix

stars Rating 5 | 1 reviews
Brand Electro-Harmonix
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UPC: 0841358101762
SKU: CED-T12AX7EH
Price: $38.76
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Product Description

Manufacturer Part Number: T-12AX7EH

This Russian tube is full bodied and bright with a more straightforward presentation. It packs a lot of bite with its higher-than-normal gain. In overdrive, it offers a lot of crunchy fizz. High gain preamplifier tube with ultra low noise and detailed, musical tone. Unique spiral filament eliminates filament to cathode induced hum common on amplifiers that use AC on the filaments.

Superior high gain short plate format Twin Triode, with ultra-low noise and detailed, musical tone.

  • Ultra-low noise thanks to unique spiral filament which eliminates cathode-to-filament induced hum on certain amps
  • ECC83/7025 equivalent


For more information about our 12AX7 tubes, see our tech corner article on 12AX7s.

Measurements and Specs




Files

warning tips WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to www.p65warnings.ca.gov.
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By christopher w bennett
Date: August 31, 2020
Bought for my orange mini dark terror amp. Stays clean and clear until the gain is at 1 o'clock; thenWarm crunch. Turn beyond that andIt makes the dark terror a terror with a boost
Rating: 5 stars [5 of 5 Stars!]
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