Crossing Over
When I was a kid, my Dad had a big’ol vacuum-tube audio amplifier. It was massive, heated the room, and took several minutes to “warm up” before it was ready for duty. Sometimes the transformers would hum along with the music, which was OK if the tune was in a key that was a multiple of 60Hz. To me, the thing seemed a bit clunky compared with the transistor-based mainstays of the day. When I asked Dad about the amp, he’d always reply “Well, son, they used to make them all that … Read More → "Crossing Over"