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SPE Expert Fully Automatic Amplifiers In Stock at MTC Main Trading Company
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Ad Detail with Enlarged Photo for Listing #1740181

TEST - Micronta Dynamic Transistor Checker

I recently acquired a Micronta Dynamic Transistor Checker (as well as Transistor Code Oscillator).
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The transistor checker works well, and components inside are well within spec. Contact spray applied and I can not find any issues with the unit.
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The code oscillator needs some minor restoration works. A new battery holder (to hold 2 C cell batteries) needs to be added (the orignal corroded. The screw in light bulb holder also needs to be replaced (the original corroded). The 4 wires are marked inside. Im essentially tossing in this code oscillator for free, and primarily selling the transistor checker.
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I'm asking $25 plus shipping to any location in US (48 states).
More pictures available upon request.


Listing #1740181 by K3VFO
Submitted on 08/18/25
Submitted from c-69-140-63-217.hsd1.md.comcast.net
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