If you ever wanted to build your own tube amplifier but you were intimidated by working with high voltages, [Marcel]’s low-voltage tube amp design might spark your interest. The design operates ...

EV charging is calculated by multiplying voltage and amperage, and an 800-volt system requires half the amperage of a 400-volt system for the same charging speed at a DC fast charger. Less heat ...

After finding the data sheet, she realized something strange: the amp didn’t call for negative voltage at all! A mystery was afoot. To fully understand the problem, she considered a mid-1980’s ...

OSHA’s latest arc-flash guidance highlights critical safety measures, including proper hazard identification, PPE requirements, and the importance of verifying de-energized work. Employers must take ...