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The 6CW4  (P/N 154-0323-00) is a Nuvistor triode vacuum tube introduced in the late 1950s, originally designed for RF amplifier applications in TV and FM tuners.

Aged/Checked/Matched Pair Details
Used in Tek Part# S/N Range
6R1 157-0081-00 All


Tube aging procedure / Selection and checking procedure


Used in

Some instruments using part 6CW4

Instrument Manufacturer Class Model Description Introduced
1A7 Tektronix Plug-in 1A7 Differential amplifier 1965
3A8 Tektronix Plug-in 3A8 Operational amplifier plug-in 1965
3B2 Tektronix Plug-in 3B2 Delaying timebase plug-in 1963
3S76 Tektronix Plug-in 3S76 Dual Channel Sampling plug-in 1962
565 Tektronix Oscilloscope 565 10 MHz dual-beam scope 1962
6R1 Tektronix Plug-in 6R1 Digital readout plug-in 1962
S-311 Tektronix Plug-in S-311 Programmable dual-trace sampling plug-in 1965