High Fidelity Tubes

Triplett 2413 – A Serviceman’s tube tester.

Complete construction details and schematic.
(Radio News – October, 1947).
Triplett-2413.pdf

Model 533DM, Dealers who are using this tube tester enthusiastically report that it is the best salesman they ever used. Customer convincing, the 533-DM contains a huge, illuminated nine-inch meter that clearly and accurately shows condition of the tube under test. Dual-scale provides micromho readings for the technician and a multi-color “Good”, “Replace” scale for easy customer interpretation across the counter.

“Attractive Display Model and Most Effective Tube Salesman”

Contains the Hickok Tube Gas Test, and a circuit for accurate forcast of future tube life. Detects more weak tubes. Tests all the latest tubes including television. 9″ chrome meter case, satin finish aluminum panel. Strong , attractive, enameled steel case. 110-130 V.A.C. Price: $199.20 (1953).

Model 700, most accurate tube tester available for precise development laboratory measurement of Mutual Conductance. Provides 4 seperate signal voltages with micromho ranges from 1500 to 60,000. Duplicates results in tube manuals. Places separate voltage on each element of the tube. Voltages can be varied and measured separately in each circuit. Provides means for complete curve study of any particular tube. Designed to never become obsolete. Complete with all leads. Price: $750 (1953).

“Laboratory Model”

Model 7001, Additional Null Reading Device, for use with the Model 700 for obtaining bridge type null readings with accuracy of ½ of 1%. Case matched to the set Price: $162.30 (1953).

Model 7002, Short and Leakage Test Accessory for use with the Model 700 to check for shorts between all elements. Matched to the set. Price: $145.00 (1953).