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heptode 1A1P - (NOS)
Electron tube 1A1P (1A1П) is a miniature heptode with directly heated cathode primarily designed for conversion of frequency. 1A1P is direct replacement for the DK71, 1R5 and X17 tubes. It is very similar to the 1H33 Tesla too, but the 1H33 is drawing considerably less heater current, only around 0,025 A compared to the 0,06 A in case of the 1A1P tube. Service life: not less than 1500 hours under prescribed conditions. New old stock tubes made in the 60's and early 70's.
(we reserve the right to change the description and specifications without prior notice)