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Vacuum Tube, 6550, Electro-Harmonix, Matched Quad, Power

Vacuum Tube, 6550, Electro-Harmonix, Matched Quad, Power

$ 145.63

  • Amplifier Type: Unknown
  • Brand: Electro-Harmonix
  • Bulb Temperature: 250°C
  • Capacitance, Grid to Others: 18 pF
  • Capacitance, Plate to Others: 12.5 pF
  • Capacitance, grid to plate: 0.88 pF
  • Cathode Current, Tetrode: 230 mA
  • Cathode Current, Triode: 190 mA
  • Compatible Brand: Any
  • Compatible Model: Any
  • Grid Circuit Resistance (R<sub>g</sub>), Fixed Bias: 50 kΩ
  • Grid Circuit Resistance (R<sub>g</sub>), Self Bias: 0.24 MΩ
  • Heater Current: 1.6 A
  • Heater Voltage: 6.0 V - 6.5 V
  • Heater to Cathode Voltage: 300 V, -200 V
  • MPN: T-6550-EH-MQ
  • Plate Dissipation, per tetrode (W<sub>a</sub>): 42 W
  • Plate Dissipation, per triode (W<sub>a</sub>): 44 W
  • Plate Resistance (R<sub>a</sub>): 14.8 kΩ
  • Plate Voltage, tetrode (U<sub>a</sub>): 800 V
  • Plate Voltage, triode (U<sub>a</sub>): 440 V
  • Screen Dissipation: 6.6 W
  • Screen Voltage: 440 V
  • Transconductance (S): 11.2 mA/V
  • Type: Vacuum Tube
  • UPC: 609722128346
  • gtin13: 609722128346

Description

Product Details Vacuum Tube, 6550, Electro-Harmonix, Matched Quad, Power, Package of 4.0000 T-6550-EH-MQ Package of 4.0000 Superior high-power Octal Beam Tetrode, suitable for any amp using 6550 or KT88. Designed to hold up in even the most punishing environment of high powered bass amps, such as Ampeg SVT. With 42 watts of plate dissipation in tetrode operation and 44 watts in triode, power is improved even over desirable vintage types. Thanks to extra headroom, bass players can realize the full dynamic and tonal range of the instrument Nickel steel side rod mica supports sweet tone regardless of setup, even in combos where the tube is only inches from the speaker Also suitable for hifi use KT88 equivalent Not what you're looking for? Check out our other products in this category: Vacuum Tubes -> Power Click here to visit our ebay store's homepage. Measurements Product Measurements: Bulb Temperature 250°C Capacitance, Grid to Others 18 pF Capacitance, grid to plate 0.88 pF Capacitance, Plate to Others 12.5 pF Cathode Current, Tetrode 230 mA Cathode Current, Triode 190 mA Grid Circuit Resistance (R g ), Fixed Bias 50 kΩ Grid Circuit Resistance (R g ), Self Bias 0.24 MΩ Heater Current 1.6 A Heater to Cathode Voltage 300 V, -200 V Heater Voltage 6.0 V - 6.5 V Plate Dissipation, per tetrode (W a ) 42 W Plate Dissipation, per triode (W a ) 44 W Plate Resistance (R a ) 14.8 kΩ Plate Voltage, tetrode (U a ) 800 V Plate Voltage, triode (U a ) 440 V Screen Dissipation 6.6 W Screen Voltage 440 V Transconductance (S) 11.2 mA/V Packaging Information: Packaging Dimensions 5.8 in. x 4.3 in. x 4.3 in. Weight (Packaging) 0.96 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.