You find electrolytic capacitors in the power supply and decoupling of valves in Hifi and guitar amps. They are like a battery because they have a positive and negative terminal….
This a longer than usual article talking about the different type of resistors. Resistor technology has changed over the decades . What is common is that many types change their…
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The valve/tube world looks like it will see some interesting times ahead in 2020. Here is one thing that may impact Valve Tube Supplies in 2020.One of the big…
Many amps have a valve rectifier valve. Typical types are EZ81, 5Y3, GZ34/5AR4 and 5U4. There are variations on the letters at the end of the part number but the…