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Seller Store dmytrostrelb
(2427) 99.3%,
Location:
Ships to: US,
Item: 176497398692
Condition:Open boxOpen box
Seller Notes:“4 pcs vintage tubes in lot”
REFLEKTOR:REFLEKTOR
Type:Vacuum Tube
6p18p:6p18p
Country/Region of Manufacture:Russian Federation
eBay 4 pcs. in lot. NEW VINTAGE TUBES from 1960-80`s Great valve for the Hi Fi output stage of a tube amplifier. 6p18p indicated a Low second harmonic and high stability of the anode current with a large gain. The sound is significantly superior to EL84 and analogues. PINOUT similar EL84 (6p14p) but 6p18p requires another bias 6P18P~EL82, 6DY5, N329 Miniature output pentode. Designed for amplification of low frequency power. Weight is not more than 20 g. Technical data 6P18P tube: Filament voltage 6.3 ± 0.6 V Filament current 0.76 ± 0.06 A Anode voltage rated (constant) 180 V Anode voltage limit (constant) 250 V Cathode current limit 75 mA Voltage of the second grid rated (constant) 180 V The voltage of the second grid limit (constant) 250 V Second grid current no more than 10.5 mA Power dissipated by the anode, maximum 12 W Power dissipated by the second grid, maximum 2.5 W Voltage between cathode and heater limit (constant) 100 V Steepness characteristics of at least 8.8 mA / V Ri 22 kOhm Gain in triode switching 13 Output power not less than 2.2 W Total Harmonic Distortion less 8% Resistance in the cathode circuit for automatic bias 110 Ohm Input Capacitance 11.5 pF Output capacitance 6 pF Feed Through Capacity 0.2 pF The Tubes are never used. The valves can be of different production years. I don’t match valves by parameters. In the price of the lot valves are taken from the box and testing, but not matched in pairs or quartets. IMPORTANT INFORMATION! BE SURE TO READ BEFORE ORDERING! In the title of the lot is the name of the vintage Soviet tube and after the symbol ~ the name of the Western analog. Be careful! Soviet tubes are only approximate analogs of Western tubes and match pinout, but are not exact copies of Western tubes. Testing Soviet tubes with Western-made tube testers can sometimes show unreliable results. Programs (Cards) designed for testing Western tubes can sometimes show unreliable results and erroneously show that the tube is not good enough. But these are unreliable results and should be disregarded. The volt-ampere characteristics of Soviet tubes are different from their Western analogs! Use for testing exclusively testers with programs for testing Soviet tubes. If you would like to get the datasheet for the Soviet tubes in this lot, please send me a message before you place your order and I will send you a JPG datasheet for the Soviet tube. Also, do not test vintage tubes with modern digital pulse powered tube testers. Use only testers with a classic power supply. For reliable measurement results, warm up each tube for at least 5 minutes prior to measurement. I do not accept any claims on the quality of tubes if you test purchased Soviet tubes of this lot on testers with programs (modes) of testing Western tubes or test tubes on digital testers with pulse power supply. Dear customer, you can combine shipping buying more than one lot. If You need more than one lot, or another quantity – please contact. Also please check other available items. Thanks in advance!
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