Description

Product Details Vacuum Tube, 12AX7 / ECC83, Electro-Harmonix, Preamp T-12AX7EH Sold individually 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. Not what you're looking for? Check out our other products in this category: Vacuum Tubes -> Preamplifier Click here to visit our ebay store's homepage. Measurements Product Measurements: Amplification Factor 78 min, 92 nominal Capacitance, Cathode to Heater 5.0 nF Capacitance, Grid to Cathode 1.6 pF Capacitance, Grid to Heater 1.6 pF Capacitance, grid to plate 1.6 pF Capacitance, Plate to Cathode 0.44 pF / 0.36 pF Capacitance, Plate to Heater 0.44 pF / 0.36 pF Capacitance, Plate to Plate 520 pF Grid Circuit Resistance (R g ), Fixed Bias 1 MΩ Grid Circuit Resistance (R g ), Self Bias 2.2 MΩ Grid Reverse Current 0.2 μA Heater to Cathode Voltage, Negative 200 V Heater to Cathode Voltage, Positive 100 V Heater Voltage 6.0 - 6.6 V / 12.0 - 13.2 V Plate Current (I a ) 9 mA Plate Dissipation, per triode (W a ) 1.0 W Plate Resistance (R a ) 54.1 kΩ Plate Voltage (U a ) 300 V Transconductance (S) ≥ 1.4 mA/V, 1.7 mA/V nominal Packaging Information: Packaging Dimensions 1.1 in. x 1.1 in. x 3.1 in. Weight (Packaging) 0.0353 lbs. About Us About Amplified Parts: Backed by over 30 years of experience serving the electronic hobbyist market, Amplified Parts® provides the parts you need to modify, repair, or build your own audio and musical instrument equipment, from transistor radios to vacuum tube amplifiers, guitar pedals, and modular synthesizers. Our mission is to provide our customers with high quality products from an inventory of over 12,000 unique items, and to share our expertise via our large library of tech articles and equipment build guides. Whether you are building cutting-edge equipment or restoring classic gear with historical accuracy, Amplified Parts® has what you need. We typically ship the same day if your order is placed before 12:00pm Arizona Time Monday through Friday excluding holidays. All packages are insured and we assume responsibility for the shipment until the carrier shows delivery. Click here to visit our ebay storefront.