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

$ 11.07

  • Amplifier Type: Unknown
  • Body Height: 49.2 mm
  • Brand: JJ Electronics
  • Cathode Current, system I (I<sub>k</sub>): ≤ 8 mA
  • Cathode Current, system II (I<sub>k</sub>): ≤ 20 mA
  • Compatible Brand: Any
  • Compatible Model: Any
  • Features: None
  • Filament Current (I<sub>f</sub>): 300 / 150 mA
  • Filament Voltage (U<sub>f</sub>): 6.3 / 12.6 V
  • Gain, System I (μ): 100
  • Gain, System Ii (μ): 17
  • Grid Resistance, system I (R<sub>g</sub>): 2.2 MΩ
  • Grid Resistance, system II (R<sub>g</sub>): 1 MΩ
  • Grid Voltage, system I (U<sub>g</sub>): ≥ -50 V, -2 V typical
  • Grid Voltage, system II (U<sub>g</sub>): ≥ -50 V, -8.5 V typical
  • Heater to cathode resistance, system I (R<sub>k/f</sub>): 150 kΩ
  • Heater to cathode resistance, system II (R<sub>k/f</sub>): 150 kΩ
  • Heater to cathode voltage, system I (U<sub>k/f</sub>): ≤ 180 V
  • Heater to cathode voltage, system II (U<sub>k/f</sub>): ≤ 180 V
  • Internal Resistance, system I (R<sub>i</sub>): 62.5 kΩ
  • Internal Resistance, system II (R<sub>i</sub>): 7.7 kΩ
  • Item Diameter: 22 mm
  • Item Height: 56.3 mm
  • MPN: T-ECC823-JJ
  • Plate Current, system I (I<sub>a</sub>): 1.2 mA
  • Plate Current, system II (I<sub>a</sub>): 10.5 mA
  • Plate Dissipation, system I (W<sub>a</sub>): ≤ 1 W
  • Plate Dissipation, system II (W<sub>a</sub>): ≤ 2.75 W
  • Plate Voltage (U<sub>a</sub>): ≤ 300 V, 250 V typical
  • Transconductance, system I (S): 1.6 mA/V
  • Transconductance, system II (S): 2.2 mA/V
  • Type: Vacuum Tube
  • UPC: 841358102363
  • gtin13: 841358102363

Description

Product Details Vacuum Tube, ECC823, JJ Electronics, Dual Triode, Preamp T-ECC823-JJ Sold 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 -> Preamplifier Vacuum Tubes -> Triode Click here to visit our ebay store's homepage. Measurements Product Measurements: Body Height 49.2 mm Cathode Current, system I (I k ) ≤ 8 mA Cathode Current, system II (I k ) ≤ 20 mA Filament Current (I f ) 300 / 150 mA Filament Voltage (U f ) 6.3 / 12.6 V Gain, System I (μ) 100 Gain, System Ii (μ) 17 Grid Resistance, system I (R g ) 2.2 MΩ Grid Resistance, system II (R g ) 1 MΩ Grid Voltage, system I (U g ) ≥ -50 V, -2 V typical Grid Voltage, system II (U g ) ≥ -50 V, -8.5 V typical Heater to cathode resistance, system I (R k/f ) 150 kΩ Heater to cathode resistance, system II (R k/f ) 150 kΩ Heater to cathode voltage, system I (U k/f ) ≤ 180 V Heater to cathode voltage, system II (U k/f ) ≤ 180 V Internal Resistance, system I (R i ) 62.5 kΩ Internal Resistance, system II (R i ) 7.7 kΩ Item Diameter 22 mm Item Height 56.3 mm Plate Current, system I (I a ) 1.2 mA Plate Current, system II (I a ) 10.5 mA Plate Dissipation, system I (W a ) ≤ 1 W Plate Dissipation, system II (W a ) ≤ 2.75 W Plate Voltage (U a ) ≤ 300 V, 250 V typical Transconductance, system I (S) 1.6 mA/V Transconductance, system II (S) 2.2 mA/V Packaging Information: Packaging Dimensions 0.875 in. x 0.875 in. x 1.25 in. Weight (Packaging) 0.0287 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.