6X4

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6X4 Tube

The 6X4  (European: EZ90) (P/N 154-035, 154-0035-00) is a dual rectifier vacuum tube with a miniature B7G 7-pin base.

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Used in

Some instruments using part 6X4

Instrument Manufacturer Class Model Description Introduced
128 Tektronix Power supply 128 Probe power supply 1958
130 Tektronix Multimeter 130 L/C Meter 1959
181 Tektronix Pulse generator 181 Time-mark generator 1955
511A Tektronix Oscilloscope 511A 10 MHz Tube scope 1948
512 Tektronix Oscilloscope 512 Early 2 MHz scope 1948
517 Tektronix Oscilloscope 517 50 MHz scope 1951
570 Tektronix Curve Tracer 570 Curve tracer for tubes 1955

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