In this Instructable I'll attempt to guide you through the steps of building a one tube radio for picking up AM broadcasts. This will include parts sourcing, prototyping and finishing steps. Step 1: Why Build a Radio When I Can Buy One? Unfortunately, it can be much cheaper and easier to buy a radio these days than build one.

Mar 31, 2025 · When a ballast in an old radio is replaced with a power resistor, a diode/resistor combination, or a capacitor, there's no longer any change in resistance with temperature except for that in the tube heaters themselves.

Build Your Own Tube Radio with adjustable feedback. The principle of operation is inspired by the Audion tube from the early days of radio technology. 80 years ago, such a radio receiver could be f

2 days ago · Information on the methods of making the vacuum inside of the radio tubes considered the heart of radio transmitting and receiving apparatus.

In this instructable I'm going to walk you through the basics of getting an old tube table top radio up and running. Finding a repair shop that can fix old radios can be real tough. If you do find one, the bill may be pretty daunting.

Jul 27, 2012 · Voltages inside a vacuum tube radio are dangerous to life. To prevent shock hazard when we must make service checks inside the set, we will always operate with power cord unplugged and waiting for capacitors inside to discharge.

Sep 9, 2014 · In this post we will show you how to restore any vacuum tube radio. You will learn basic repair/restoration procedures from a different era when it was actually worth repairing consumer...

I initially learnt about restoring tube radios by watching Youtube videos produced by some really knowledgeable creators, who selflessly shared their extensi...

Shop for-and learn about-Antique Tube Radios. All radios produced during the first half of the 20th century were tube radios, since transistors were not...

Sep 8, 2014 · Photos with parts diagrams of a vintage tube radio – the Crosley 10-139, from about the middle of the tube era. Click each photo for full size.