The 6AU5  (P/N 154-021,154-0021-00) is a 10 W beam power pentode vacuum tube with an octal base.

6AU5-GT Tube

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Used in

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Some instruments using part 6AU5

Instrument Manufacturer Class Model Description Introduced
507 Tektronix Oscilloscope 507 Power Industry scope 1959
513 Tektronix Oscilloscope 513 18 MHz scope 1950
516 Tektronix Oscilloscope 516 15 MHz dual-trace scope 1960
517 Tektronix Oscilloscope 517 50 MHz scope 1951
531 Tektronix Oscilloscope 531 10 MHz oscilloscope 1954
535 Tektronix Oscilloscope 535 10 (15) MHz dual-timebase scope 1954
535 Tektronix Oscilloscope 535 10 (15) MHz dual-timebase scope 1954
541 Tektronix Oscilloscope 541 30 MHz oscilloscope 1955
545 Tektronix Oscilloscope 545 30 (33) MHz oscilloscope 1955
547 Tektronix Oscilloscope 547 50 MHz oscilloscope 1964
581 Tektronix Oscilloscope 581 100 (95) MHz oscilloscope 1959
581A Tektronix Oscilloscope 581A 85 MHz oscilloscope 1963
585 Tektronix Oscilloscope 585 100 (95) MHz oscilloscope 1959
585A Tektronix Oscilloscope 585 85 MHz oscilloscope 1963