WebHickok Tube Testers, 1965-1975 Later Hickok tube testers with a few exceptions marked the rise of the transistor. Testers became more and more decontented and aimed at a lower priced market. Some had more … WebHickok Tube Testers, 1965-1975 Later Hickok tube testers with a few exceptions marked the rise of the transistor. Testers became more and more decontented and aimed at a lower priced market. Some had more features but the Cardomatics had shown that simpler devices were desirable.
TRANSCONDUCTANCE TUBE TESTER MODEL 539C - Vintage …
WebThe following Tube Tester Manuals, Operating Instructions, and Tube Test Data are available for download. I have collected these over many years and they are available for you to download. ... Hickok 600 Series Tube Test Data Download. Hickok 750 User’s Manual Download. Hickok 750 Roll Chart Download. Hickok 752A User’s Manual … WebThe early Hickok tube testers, while advanced for their time, were also a far cry from their children - characterized by simple emissions circuits, the first units had only two knobs supplanted by a number of jumpers. Of course in 1928 there were not many tubes available and most of the time the unit under test would be an 01 or 01A. maria pollant
Stark Tube Testers – Tone Lizard
WebThis Hickok is the only model (other than the full laboratory units) that provided a range of plate/screen voltage supplies up to 300 volts DC! The TUT is operated with unfiltered and non- regulated voltages just as the other Hickok models and many other makes and models of service testers. http://performanceresearch.us/padgett/tester/laterh.htm WebAug 27, 2015 · The earliest Stark/Hickok tube tester was probably the Model 9-66, produced from approximately the late 1940’s and all through the 1950’s. An example is seen below. ... Next up, in numerical order, here are a pair of Stark tube testers that defy category. First we’ll visit the Model 9-99, which seems to deviate from the Hickok design … maria pollicino