Top 5 training resources for I.T

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6j1 Tube Preamp

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I was browsing online for a soldering project for my oldest son for Christmas, when I came across this 6J1 Tube Preamp kit. It is intended for RCA, but I was hoping to play with adding 1/4" jacks to run my guitar through it. What is a preamp?  A preamp is an electrical device that takes a weak signal and amplifies it, making a weak signal stronger for further processing. Tube amps have always been said to have a warmer sound over solid-state. The Build The kit comes with all the pieces tossed in a bag with no schematic, however; the board is clearly marked and all you really need to do is sort it all and organize your components. You can use a page like All About Circuit's resistor calculator  to determine the Ohms by colour code bands, or you can switch your multimeter to Ohms and test manually - which is typically quicker. https://www.allaboutcircuits.com/tools/resistor-color-code-calculator/   Note: The board lists the 2.2k and 4.7k as "2k2" and "4k7"  I
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