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> Sencore tc-130 mighty might iii tube tester**excellent*
Sencore tc-130 mighty might iii tube tester**excellent*
Mightly Might III Tube Tester with Book**Looks Unused**
No Reserve price set for this item
Sencore 'went after' the service technician by pointing out that their 'Mighty-Mite' testers were much more portable, and set up much faster than most other tube testers.
As well, the 'Mighty-Mite' models utilized a higher test voltage, which attempted to simulate actual voltages found in the typical radio and television sets of the day.
The biggest 'feature', the handy gas/grid emission test, is a very
* Lower test voltages are utilized for Nuvistors and frame-grid tubes. This prevents possible damage to the tube. Many 'older' tube testers used a single test voltage for all tubes, regardless of whether or not the test current exceeded the tube manufacturer's maximum ratings! This was evidenced by many tube tester warnings against testing the tube any longer than absolutely necessary to obtain a reading. This makes the Mighty-Mite line already 'better' than any other simple emission tester.
* The gas/grid emission tests have a 100 Megohm sensitivity, and are much better than most other tube testers.
* The 'Shorts' test will check for inter-element leakage at higher voltages, and check between each individual tube element. Many 'better' tube testers do this, while 'lesser' testers do not. Still, many of these 'better' tube testers utilize a simple neon bulb indicator, and cannot display a leakage higher than 1 Megohm. The real 'fancy' tube tester will convert itself to an ohm meter, and show inter-element leakage as a resistance value. When all is said and done, the Mighty-Mite line does have a very good 'Shorts' test, although certainly not 'the best'.
The end result is that the Mighty-Mite would make an excellent tube tester for many people.
Tested on a veriery of popular tubes and checked against my recently calibrated Hickock, this is a very accurate, compact tester.
All original, Supplied with the book as shown, in fact this tester looks unused.
PS please dont email me asking if it will test specific tubes, I do not have the time to check, there is a lot of info on the net including tube charts which will answer that question.
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