Webbsharp-cutoff pentode 6as8: 151kb / 3p: single diode sharp cutoff pentode 6ba8a: 557kb / 8p: miniature, medium mu triode 17jz8: 95kb / 3p: medium-mu triodeand beam pentode 6c5g: 67kb / 1p: general purpose triode, r.f. pentode, vari-mu r.f. pentode 12al8: 217kb / 3p: medium mu triode and spacechargfe grid tetrode 6662: WebbSharp Cutoff Pentode Construction Miniature T-6ys Base Button 9 Pin, E9-1 Basing 9FA Outline 6.2 Maximum Diameter Maximum Seated Height Maximum Overall Height ELECTRICAL DATA HEATER OPERATION 0 875 In. 1 938 In. 2 185 In. 9FA SMB8 Heater Voltage 4.5 Heater Current 450 Heater Warm-up Time 11 Maximum Heater-Cathode …

6AU6-A Datasheet PDF - Datasheet4U.com

Webb10 apr. 2024 · Pentode of 6AC7 Vf 6.3 Volts / If 0.45 Ampere / Indirect / Parallel, ... Sylvania 6AC7/VT-112/1852 Sharp Cut-off Metal Pentode Valv BangyBang T US $40.00 Approximately £33.00 Ordinary pentodes are referred to as sharp-cutoff or high-slope pentodes and have uniform aperture size in the control grid. The uniform construction of the control grid results in the amplification factor (mu or μ} and transconductance changing very little with increasingly negative grid voltage, resulting in fairly abrupt … Visa mer A pentode is an electronic device having five electrodes. The term most commonly applies to a three-grid amplifying vacuum tube or thermionic valve that was invented by Gilles Holst and Bernhard D.H. Tellegen in 1926. The pentode … Visa mer The simple tetrode or screen-grid tube offered a larger amplification factor, more power and a higher frequency capability than the earlier triode. However, in the tetrode secondary … Visa mer Pentode tubes were first used in consumer-type radio receivers. A well-known pentode type, the EF50, was designed before the start of World War II, and was extensively used in radar sets and other military electronic equipment. The pentode contributed … Visa mer • Beam tetrode • Pentode transistor • Valve audio amplifier technical specification Visa mer • Pentodes (and tetrodes) tend to have a much lower feedback capacitance, due to the screening effect of the second grid. • Pentodes tend to have higher noise (partition noise) … Visa mer A pentode can have its screen grid (grid 2) connected to the anode (plate), in which case it reverts to an ordinary triode with commensurate characteristics (lower anode resistance, lower mu, lower noise, more drive voltage required). The device is then said to be … Visa mer only one stone

Tube cross-reference and selection guide. - Armed Forces Cross …

WebbThe two most visible of these innovations were the compactron and the family of tubes that would operate from a plate supply voltage of 12 volts. Many car radios were made using these tubes for everything except the audio output where a transistor was used. Given time the tube engineers. would have found a way to get 2 or 3 watts from a tube ... Webb23 juli 2010 · 6HM6 Sharp-Cutoff Pentode Tube larger image Item # 405 VT-6HM6 0.12kgs 2 units in stock $23.66 6HM6 pentode tube, new old stock, boxed. Tested working and guaranteed 30 days. Substitutes: 6HT6, 6JC6, 6KT6 EIA Base: 9PM Filament Voltage: 6.3V Filament Current: 300mA Pentode Plate Voltage: 250V Pentode Plate Dissipation: 2.5W WebbMatched Pair Channel Masters 6AU6/6Ж4П/ CV2524 Sharp Cutoff Amplifier Valve - Ba $58.10 Buy It Now or Best Offer , Click to see shipping cost , 30-Day Returns, eBay Money Back Guarantee Seller: bangybangtubes ️ (5,369) 100% , Location: Miami, Florida, US , Ships to: WORLDWIDE, Item: 275607684787 only one tcp server allowed