Description
Product Details Vacuum Tube, 6550C, Svetlana, Matched Quad, Power, Package of 4.0000 T-6550C-SV-MQ Package of 4.0000 The Svetlana 6550C is an excellent choice for users looking to upgrade their current 6550 tubes. This Russian tube features a robust plate design offering a high level of performance. The 6550C offers the classic big and open sounds that made the 6550 famous. The Svetlana 6550C works in any 6550 position. “Svetlana tubes are quite simply the absolute best. We design and manufacture our tubes, engineered for demanding high fidelity, reliability and overall warmth. Be sure to insist on genuine Svetlana vacuum tubes the next time you retube -- you'll be getting the absolute best possible tubes for any demanding application.” -Svetlana 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: Cathode to Heater Max. -300 V / +200 V Class A Typical Grid 1 Voltage -22 V Class A Typical Grid 2 Voltage 225 V Class A Typical Idle Grid 2 Current 4 mA Class A Typical Idle Plate Current 87 mA Class A Typical Load Resistance 3000 Ω Class A Typical Max. Signal Grid 2 Current 18 mA Class A Typical Max. Signal Plate Current 105 mA Class A Typical Peak AF Grid 1 Voltage 22 V Class A Typical Plate Voltage 400 V Class A Typical Signal Output at 5% Distortion 12 W Class A Typical Transconductance 9500 µS Cooling Convection Diameter 46 mm Envelope Temp. Max. 250 °C Grid 1 to Cathode and Grid 3, Grid 2, Base, and Heater 18.5 pF Grid 1 to Plate Max. 1.1 pF Heater Current Nom. 1.6 A Heater Voltage Max. 6.9 V Heater Voltage Min. 5.7 V Heater Voltage Nom. 6.3 V Height 116 mm Max. DC Cathode Current 175 mA Max. Grid 1 Voltage -300 V Max. Grid 2 Voltage:400 V Max. Grid 2 Dissipation 6 W Max. Plate Dissipation 35 W Max. Plate Voltage 680 V Plate to Cathode and Grid 3, Grid 2, Base, and Heater 12.5 pF Seated Height 106 mm Weight Approx. 100 g Packaging Information: Packaging Dimensions 5.5 in. x 8 in. x 2.2 in. Weight (Packaging) 1 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.