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Item Tag: 7.7 kΩ

  • 12AU7 / ECC82, JJ Electronics, Apex Matched & Performance Tested, Gold Pin

    JJ Electronic 12AU7 / ECC82. This tube is Apex® Matched and Performance Tested. Precision Matching: For even greater accuracy, select for the Matched option, where both sides of dual triodes are transconductance matched.

  • Vacuum Tube, 6SN7, JJ Electronics, Preamp

    Product Details Vacuum Tube, 6SN7, JJ Electronics, PreampT-6SN7-JJSold individually The JJ Electronic 6SN7 is the classic double triode with a rugged construction the offers the high reliability that JJ is known for. The JJ 6SN7 features the outstanding linearity and sound of the original tubes. This tube is an excellent replacement for Hi-Fi amplifiers and preamps and will replace any 6SN7, 6SN7GTA, 6SN7GTB, or 6SN7GT. 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 Height69 mmCathode Current (Ik)≤ 20 mAFilament Current (If)600 mAFilament Voltage (Uf)6.3 VGain (μ)20Grid Circuit Resistance (Rg), Cathode Bias1.0 MΩGrid Circuit Resistance (Rg), Fixed Bias1.0 MΩGrid Voltage (Ug)-8 V typicalHeater to Cathode Voltage (Uk/f)100 VInternal Resistance (Ri)7.7 kΩItem Diameter33.3 mmItem Height86 mmPlate Current (Ia)9 mAPlate Dissipation (Wa)≤ 5 WPlate Voltage (Ua)≤ 450 V, 250 V typicalTransconductance (S)2.6 mA/VPackaging Information:Packaging Dimensions4.6 in. x 1.604 in. x 1.604 in.Weight (Packaging)0.0992 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, 12DW7 / ECC832, JJ Electronics, Dual Triode, Standard Pins, Preamp

    Product Details Vacuum Tube, 12DW7 / ECC832, JJ Electronics, Dual Triode, Standard Pins, PreampT-12DW7-JJSold individually In the 12DW7/ECC832, Section 1 of the tube (pins 6, 7, and 8) is the high gain 12AX7/ECC83 spec (gain factor 100) and Section 2 (pins 1, 2, and 3) is the low gain 12AU7/ECC82 spec (gain factor 17). 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 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 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 Dimensions1 in. x 1 in. x 2.4 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.

  • 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.

  • 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.

  • 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.