Resistor Substitution Box

This is a great, inexpensive kit from Elenco that I purchased from Amazon. It is very handy for tuning JT circuits. I made only two modifications. I added banana plugs to the front where they just had the wires exiting a single hole-this way, I can remove the wires and clips for easier storage. I also added a linear tapper 1 K VR to the rear of the box with its own plugs. A very good thing to have around and the price was very reasonable., free shipping too.

Thanks for watching.

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