Simplifying Sound

Feb 08, 1036 |

�All the left-channel stuff is on that shelf,� said the pony-tailed audiophile. �Separate power supply, pre-amp, equalizer,left amp. All tube, of course. The right channel's thisshelf�.

Wow, I said politely. That was 25 years ago. I was dabblingwith designing and making audio systems. But I didn't quitefit into the high-end audiophile community that reveled in thesnobbery of components: separately bought turntable andarm and head and needle, separate monoblock left and rightchannel amps, all, of course, vacuum tube-based...

Integrated systems were already pretty good, and gettingbetter. Clever little power-amp chips like the TDA2020 madeour job really easy, and gave us almost the specs of componentsystems (including clean stereo separated by well over 90 dB)on a one-chip circuit-board.

But life would get more complicated. First we added sub-woofers to stereo speakers, and got 2.1 sound. Things gotworse, and in a couple of decades life had moved on to 5.1channel surround sound. It didn't stop there, and went on toso-called 7.1 channel sound,and other nonsense.

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