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3A74: Difference between revisions
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This allows each of the input signals to be traced on the screen, one after another. | This allows each of the input signals to be traced on the screen, one after another. | ||
The 3A74 uses Tek-made | The 3A74 uses Tek-made 185 Ω [[potentiometers]] in for the VAR GAIN controls. | ||
These can be a [[:Category:Repair_issues|maintenance issue]]. | These can be a [[:Category:Repair_issues|maintenance issue]]. | ||
The 3A74 contains a total of eight 7586 [[Nuvistor]]s. | The 3A74 contains a total of eight 7586 [[Nuvistor]]s. | ||
==Links== | ==Links== | ||
* [http://www.amplifier.cd/Test_Equipment/Tektronix/Tektronix_other/3A74.htm Tek 3A74 @ amplifier.cd] | * [http://www.amplifier.cd/Test_Equipment/Tektronix/Tektronix_other/3A74.htm Tek 3A74 @ amplifier.cd] | ||
* [http://www.barrytech.com/tektronix/vintage/tek3a74.html Tek 3A74@ barrytech.com] | * [http://www.barrytech.com/tektronix/vintage/tek3a74.html Tek 3A74 @ barrytech.com] | ||
* [https://www.radiomuseum.org/r/tektronix_3a74_plug_in_unit.html Tek 3A74 @ radiomuseum.org] | |||
==Pictures== | ==Pictures== | ||