Speedskater

A century ago there were some 2 phase AC power systems, with 90 degrees between phases. Now almost everything is single phase, single...

But NEC 210.4 is about: 210.4 Multiwire Branch Circuits not luminaries or cords.

Part of the solar panel problem is that some installers don't follow good engineering practices. People may not associate interference...

The typical problem with some US solar panels is RFI.

This brief article from Blue Jeans Cables discusses, in accessible language, how and why RCA cable geometry matters in hum rejection...

We called them: Go to me, go from me's.

David Rich would sometimes write about over-engineered products in his reviews.

No. Keith

Speaker cables can occasionally act as interference antennas. But then people do occasionally win big lotteries. What happens is the...

About 75 years ago, nominal US residential line voltage was 110 Volts (110/110) then it drifted to 115 Volts, later 117or 118 Volts. For...

Nothing wrong with mine. Just no space in the present listening room.

DSP is a very powerful tool and it's easy to misuse it to make a mess.

Units, aps or programs that use a high tech brief signal will give the transit frequency response. Sine wave tones will give the sustain...

A tape measure and someone at the other end may be easier. Keith

I have one of the last pairs manufactured. Maybe April 1994. (in storage) Now the problem is replacing the unusual woofers.