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4 Tail
Normally the function of most tubes is to amplify a signal. But when tubes are required to deliver power, such as the 6F6, the amplification may test up and yet the tube may distort badly. Reason . . . weak emission . . . particularly at low frequencies. Such tubes demand both amplification and emission test, now available on
P.O.E. Tube Tester . . . tests all types tubes. Tube values are indicated on GOODBAD Scale.
Has shadow-graph line voltage indicator. Neon inter element short test made while tube is hot. When new tubes are released, up-to-date tube charts are provided. Complete in quartered oak case with all necessary accessories.
DEALER PRICE $36.67
See Your Jobber— Write for Catalogue
TkeP.O.£.~feitet
• Tubes in radios have three different functions: to amplify, to deliver power, to rectify. For amplifiers (75% or more of all tubes) the power output test is absolutely the final word in determining the worth of the tube. The Power Output Test in Triplett P.O.E. Tester simulates actual operating conditions in the radio set.
For Power Tubes, the Power Output Test determines the amplification factor. The emission test determines the power handling ability. Both tests are necessary to properly analyze these tubes. The function of the diode tube is to rectify. Here the emission test only is required to determine the condition of the tube. P.O.E. tests these under both voltage and current load. High voltage will detect any flash overs.
Model 1503 combines
1. P.O.E. Test for All Tubes
2. Neon Short Test
3. Separate Diode Test
4. Condenser Test for Shorts
5. Electrolytic Condenser Leakage Test.
nine instruments in one
6. D.C Voltmeter and Milliammeter.
7. Ohmmeter
8. A.C Voltmeter
9. Decibel Meter
Complete in quartered oak case with all necessary accessories.
DEALER PRICE $46.67
THE TRIPLETT ELECTRICAL INSTRUMENT CO., 1910 Harmon Dr., Bluffton, Ohio.
■ Without obligation please send me
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46 Radio Today