Sold20152J25OR Tube.Glass electron tube. Vacuum Rectifier used in high voltage power supply 1964. Deaccessioned from the EcoTarium museum, Worcester, MA. For more information visit www.ecotarium.org/science-nature-exhibiSee Sold Price
Sold202127 Vacuum Tubes incl. RCAAlso includes Westinghouse WL-802, JoLida 3-500G, US Army Signal Corps tube 826, Eimac 4-1000A, Mullard 833A, and many more. All untested. IMPORTANT: Before bidding, please read the terms and conditioSee Sold Price
Sold2022(22) VINTAGE VACUUM TUBES FOR AUDIO AMPLIFIERS(lot of 22) Vintage vacuum tubes for audio amplifiers, brands include: Chatham Electronics, RCA Radiotron Electron Tube, Tung-Sol, General Electric, Philips; all untested, 2.5lbs total (for shipping pSee Sold Price
Sold20187PC Antique Vacuum Tube 215A 216A VT2 GroupUnited States,Early 20th Century Group includes two Western Electric 216A tubes, one VT2, one 215A, two deForest Audion tubes, and one with illegible markings on stem. Largest 4 1/4" x 2 1/8",Glass, mSee Sold Price
Sold2023Early 20th C. Glass Vacuum X-ray Radiography Tubes, 2United States, Connecticut & Western Europe, Germany, ca. early 20th century CE. An early pair of blown glass X-ray tubes with different types of metal pieces inside and attached to the exterior- theSee Sold Price
Sold20176 Western Electric Accessories incl OscillatorsDESCRIPTION: Six Western Electric accessories including 1944 2K22 Klystron local oscillator, 1940's 26A Klystron local oscillator, 100L tube base, 404A electron tube in original box, two 717A vacuum tSee Sold Price
Sold2015Eimac 250-R TubeGlass electron tube in original packaging, includes original manual. Original box 16" x 7 1/2" x 7 1/2". Vacuum Rectifier used in high voltage power supply 1964. Deaccessioned from the EcoTarium museuSee Sold Price
Sold2023Audio Research Phono2 Vacuum Tube Phonograph PreamplifierAudio Research Phono2 Vacuum Tube Phonograph PreamplifierSerial #29304811 A two source phono preamp. With two sets of RCA input connectors on the inputs, and one set of BAL and one set of RCA outputSee Sold Price
Sold2021Collection of Electron TubesCollection of Electron Tubes Siemens A, triode, with seal and warranty label - AEG K1, triode - 2 x Telefunken RL12P35, transmitting pentode, German Wehrmacht - Post tube, no. 79055, function unknownSee Sold Price
Sold2022Moscode 600 Vacuum Tube AmplifierMoscode 600 Vacuum Tube Amplifier. Powers on. Approx. dimensions: 7 in. H x 16 in. W x 14 in. D. Weight: 44.4 lbs.See Sold Price
Sold2022Moscode 150 Vacuum Tube AmplifierMoscode 150 Vacuum Tube Amplifier. Powers on. Approx. dimensions: 5.5 in. H x 17 in. W x 12 in. D. Weight: 26 lbs.See Sold Price
Sold2017Rogue Ninety Nine Vacuum Tube PreamplifierRogue Ninety Nine Vacuum Tube Preamplifier with owner's manual and external power supply. Also with remote control.See Sold Price
Sold2023WESTERN ELECTRIC 274A VACUUM TUBEEngraved base. Filament tested - draws current but does not glow; no further testing done. See photos for codes. Dimensions: H 5" x Dia. 2"See Sold Price
Sold2021Eastern Electric Mini Max DAC Vacuum Tube DAEastern Electric Mini Max DAC Vacuum Tube DA Converter, Untested.See Sold Price
Sold2023WESTERN ELECTRIC 216A VACUUM TUBEFilament tested at 6V; filament glows. No further testing done. Dimensions: H 4" x Dia. 2"See Sold Price
Sold2023WESTERN ELECTRIC 216A VACUUM TUBEFilament tested at 6V; filament glows. No further testing done. See photos for codes. Dimensions: H 4" x Dia. 2"See Sold Price
Sold2023WESTERN ELECTRIC 205-F VACUUM TUBEFilament tested at 4.5V; glows fairly dimly. No further testing done. See photos for codes. Dimensions: H 4" x Dia. 1.75"See Sold Price
Sold2023WESTERN ELECTRIC 216A VACUUM TUBEFilament tested at 6V; filament glows. No further testing done. See photos for codes. Dimensions: H 4" x Dia. 2"See Sold Price
Sold2023GENERAL ELECTRIC JAN 211 VACUUM TUBEFilament tests good; no further testing done. See photos for codes. Dimensions: H 7.5" x Dia. 2.5"See Sold Price
Sold2023WESTERN ELECTRIC 262B VACUUM TUBEFilament tested good at 10V; glows and and draws the correct .32 amps; no further testing done. See photos for codes. Dimensions: H 4" x Dia. 1.5"See Sold Price
Sold2023GENERAL ELECTRIC JAN 211 VACUUM TUBEFilament tested at 10V and works. No further testing done. See photos for codes. Dimensions: H 7.5" x Dia. 2.25"See Sold Price
Sold2023WESTERN ELECTRIC 205-F VACUUM TUBEFilament tested at 4.5V; filament works. No further testing done. There is a slight rattle in the tube. See photos for codes. Dimensions: H 4" x Dia. 1.75"See Sold Price
23 hrs LeftActivity Auctions1 oz Silver Round - Secondary Market - Lot of 100 Rounds (Five Tubes) - Generic$3,000