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  • 7591, JJ Electronic, Matched Vacuum Tube, Apex Performance Tested Single, Power

    This tube is Apex® Performance Tested. Rigorous Testing: Each tube undergoes comprehensive testing for noise levels, gain consistency, and transconductance.

  • Vacuum Tube, 2A3, JJ Electronics, Matched Pair, Power

    Product Details Vacuum Tube, 2A3, JJ Electronics, Matched Pair, Power, Package of 2.0000T-2A3-40-JJ-MPPackage of 2.0000 The JJ Electronic 2A3 features a robust construction in a beautiful thick glass envelope. The JJ 2A3 offers 40 Watts of plate dissipation which far surpasses the headroom of other 2A3 tubes by 25 Watts. The single plate build and increased ratings give this tube the highest reliability. The JJ 2A3 has amazing detail and clarity with excellent separation. Not what you’re looking for? Check out our other products in this category:Vacuum Tubes -> PowerClick here to visit our ebay store’s homepage.MeasurementsProduct Measurements:Body Height150 mmFilament Current (If)2.5 AFilament Voltage (Uf)2.5 VGain (μ)4.2Grid capacitance (cg1)17 pFGrid to Plate Capacitance (ca/g)7.5 pFGrid Voltage (Ug)-45 V typicalInternal Resistance (Ri)800 ΩItem Diameter63 mmItem Height165 mmPlate Capacitance (ca)11 pFPlate Current (Ia)60 mAPlate Dissipation (Wa)≤ 40 WPlate Voltage (Ua)≤ 450 V, 250 V typicalTransconductance (S)5.25 mA/VPackaging Information:Packaging Dimensions7.4 in. x 6.9 in. x 3.5 in.Weight (Packaging)0.8466 lbs.About UsAbout 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.

  • 12DW7 / ECC832, JJ Electronics, Apex Performance Tested, Preamp

    JJ Electronic 12DW7 / ECC832. This tube is Apex® Performance Tested. Grid Resistance, system I (Rg) 2.2 MΩ. Grid Resistance, system II (Rg) 1 MΩ. Heater to cathode resistance, system I (Rk/f) 150 kΩ.

  • 6550, JJ Electronics Vacuum Tube, Apex Burned-In Matched Pair, Power

    The JJ Electronic 6550 is a robust tube built in the rugged fashion that JJ is famous for. At 35 Watts, these tubes have a warm round tone with a thick and defined low end. The JJ 6550 is an excellent choice for bass heads, tube organs, and Hi-Fi amplifiers.

  • Vacuum Tube, EL84, JJ Electronics, Power

    Product Details Vacuum Tube, EL84, JJ Electronics, PowerT-EL84-JJSold individually The JJ Electronic EL84 is a solidly built EL84 / 6BQ5 with excellent tonal qualities. JJ’s rugged construction of this tube offers high reliability without any compromise to the sound. This tube has solid lows with warm bright mids and shimmery highs. When saturated the harmonics are rich and dynamic. The JJ EL84 nails the classic sound of this tube. This tube can replace any EL84 or 6BQ5 tube. Not what you’re looking for? Check out our other products in this category:Vacuum Tubes -> PowerClick here to visit our ebay store’s homepage.MeasurementsProduct Measurements:Body Height71.4 mmCathode Current (Ik)≤ 65 mAFilament Current (If)0.76 AFilament Voltage (Uf)6.3 VGain (μ)19Grid 1 to filament capacitance (cg1f)0.15 pFGrid Circuit Resistance 1 (Rg1), Automatic Bias1 MΩGrid Circuit Resistance 1 (Rg1), Fixed Bias0.3 MΩGrid to Cathode Capacitance (cg/k)10 pFGrid to Plate Capacitance (ca/g)0.6 pFGrid Voltage 1 (Ug1)≥ -100 V, -7.3 V typicalGrid Voltage 2 (Ug2)≤ 300 V, 250 V typicalHeater to cathode voltage (Uk/f)≤ 100 VInternal Resistance (Ri)40 kΩItem Diameter22 mmItem Height77.8 mmPlate Capacitance (ca)5.1 pFPlate Current (Ia)48 mAPlate Dissipation (Wa)≤ 12 WPlate Voltage (Ua)≤ 300 V, 250 V typicalTransconductance (S)11.3 mA/VPackaging Information:Packaging Dimensions1 in. x 1 in. x 3.6 in.Weight (Packaging)0.0397 lbs.About UsAbout 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.

  • Vacuum Tube, 12AU7 / ECC82, JJ Electronics, Standard Pins, Preamp

    Product Details Vacuum Tube, 12AU7 / ECC82, JJ Electronics, Standard Pins, PreampT-12AU7-JJSold individually The JJ Electronic 12AU7 / ECC82 is a medium gain dual triode built with the quality and reliability that we’ve come to expect from a JJ tube. This 12AU7 offers smooth tones and clear definition which is why it’s no surprise that this tube is often found in hifi equipment as well as guitar amplifiers. Not what you’re looking for? Check out our other products in this category:Vacuum Tubes -> PreamplifierClick here to visit our ebay store’s homepage.MeasurementsProduct Measurements:Body Height49.2 mmCathode Current (Ik)≤ 20 mAFilament Current (If)300 / 150 mAFilament Voltage (Uf)6.3 / 12.6 VGain (μ)17Grid Voltage (Ug)≥ -50 V, -8.5 V typicalHeater to cathode resistance (Rk/f)150 kΩHeater to cathode voltage (Uk/f)≤ 180 VInternal Resistance (Ri)7.7 kΩItem Diameter22.2 mmItem Height56.3 mmPlate Current (Ia)10.5 mAPlate Dissipation (Wa)≤ 2.75 WPlate Voltage (Ua)≤ 300 V, 250 V typicalTransconductance (S)2.2 mA/VPackaging Information:Packaging Dimensions1 in. x 1 in. x 2.5 in.Weight (Packaging)0.0287 lbs.About UsAbout 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.

  • 6CA7, JJ Electronic, Matched Vacuum Tube, Apex Burned-In Single, Power

    Wielding even more power than a KT77, this tube is a great choice for people looking for a change in their EL34 amp’s tone or want to push their levels that much further. Vacuum Tubes ->Burned In. Not what you’re looking for?.

  • 12AY7, JJ Electronics, Apex Performance Tested, Preamp

    JJ Electronic 12AY7. This tube is Apex® Performance Tested. Internal Resistance (Ri) 22.8 kΩ. Transconductance (S) 1.75 mA/V. Plate Dissipation (Wa) ≤ 1.5 W. Plate Current (Ia) 3.0 mA. Gain (μ) 40.

  • Vacuum Tube, ECC823, JJ Electronics, Dual Triode, Preamp

    Product Details Vacuum Tube, ECC823, JJ Electronics, Dual Triode, PreampT-ECC823-JJSold individually In the ECC823, Section 1 of the tube (pins 6, 7, and 8) is the low gain 12AU7/ECC82 spec (gain factor 17) and Section 2 (pins 1, 2, and 3) is the high gain 12AX7/ECC83 spec (gain factor 100). ECC823 (T-ECC823-JJ) Section 1 Section 2 Pins 6, 7, 8 1, 2, 3 Gain Factor of 17 Factor of 100 Spec 12AU7/ECC82 12AX7/ECC83 ECC832 (T-12DW7-JJ-X) Section 1 Section 2 Pins 6, 7, 8 1, 2, 3 Gain Factor of 100 Factor of 17 Spec 12AX7/ECC83 12AU7/ECC82 Not what you’re looking for? Check out our other products in this category:Vacuum Tubes -> PreamplifierVacuum Tubes -> TriodeClick here to visit our ebay store’s homepage.MeasurementsProduct Measurements:Body Height49.2 mmCathode Current, system I (Ik)≤ 8 mACathode Current, system II (Ik)≤ 20 mAFilament Current (If)300 / 150 mAFilament Voltage (Uf)6.3 / 12.6 VGain, System I (μ)100Gain, System Ii (μ)17Grid Resistance, system I (Rg)2.2 MΩGrid Resistance, system II (Rg)1 MΩGrid Voltage, system I (Ug)≥ -50 V, -2 V typicalGrid Voltage, system II (Ug)≥ -50 V, -8.5 V typicalHeater to cathode resistance, system I (Rk/f)150 kΩHeater to cathode resistance, system II (Rk/f)150 kΩHeater to cathode voltage, system I (Uk/f)≤ 180 VHeater to cathode voltage, system II (Uk/f)≤ 180 VInternal Resistance, system I (Ri)62.5 kΩInternal Resistance, system II (Ri)7.7 kΩItem Diameter22 mmItem Height56.3 mmPlate Current, system I (Ia)1.2 mAPlate Current, system II (Ia)10.5 mAPlate Dissipation, system I (Wa)≤ 1 WPlate Dissipation, system II (Wa)≤ 2.75 WPlate Voltage (Ua)≤ 300 V, 250 V typicalTransconductance, system I (S)1.6 mA/VTransconductance, system II (S)2.2 mA/VPackaging Information:Packaging Dimensions0.875 in. x 0.875 in. x 1.25 in.Weight (Packaging)0.0287 lbs.About UsAbout 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.

  • Vacuum Tube, 5Y3 S, JJ Electronics, Rectifier

    Product Details Vacuum Tube, 5Y3 S, JJ Electronics, RectifierT-5Y3-S-JJSold individually The JJ Electronic 5Y3S is a ruggedly built octal rectifier tube with a directly heated cathode. This tube’s solid construction and thick glass envelope offer high reliability. The JJ 5Y3S will work in any 5Y3 position. Not what you’re looking for? Check out our other products in this category:Vacuum Tubes -> RectifierClick here to visit our ebay store’s homepage.MeasurementsProduct Measurements:Body Height79 mmFilament Current (If)2 AFilament Voltage (Uf)5 VItem Diameter33.3 mmItem Height93 mmPackaging Information:Packaging Dimensions1.6 in. x 1.6 in. x 4.5 in.Weight (Packaging)0.1146 lbs.About UsAbout 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.