Ayesha Rascoe speaks with Randall Ball of Ball Amplification about the worldwide guitar tube shortage and the reason behind the warm sounds they produce. Guitar players are always searching for the ...

[Eric] has an Atwater Kent 55C AM radio from the early 1900’s. He’s been trying to restore the radio to proper working condition. His most recent pain has been with the rectifier tube. The tube is ...

MONTESANO — In Bob Carter’s private museum of phonographs and radios, shelves are crowded with the technology of the past. Glass vacuum tubes peek out from between wooden panels, burnished metal and ...

Nearly 25 years ago Sennheiser introduced its Orpheus headphones, which were widely considered at the time to be at the leading edge of headphone design and quality – they cost US$16,000. For the last ...

Bill Shockley brought the transistor to a pasture in Palo Alto, but he didn’t land there by chance. There was already a plot afoot which had nothing to do with silicon, and it had already been a ...

AT a meeting of the Philosophical Society of Glasgow on December 22, 1880, I gave a very brief preliminary account of some experiments that I have been making, along with Sir William Thomson, with ...

This characteristic allows it to form tight and stable gas-tight connections with sealing materials such as glass and ceramics during high-temperature sealing, effectively avoiding the problem of gas ...