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In Reply to: RE: "an engineer would be content..." posted by Jim Dowdy on June 29, 2008 at 13:24:26
Build it right-- according to good engineering practice. This IS NOT available in total--from audio and Ham engineering texts. It IS available at your local Public Utility-- their engineers, and texts.G.E. and Siemens especially, produced a wealth of great info. on power factor engineering-- power-transmission efficiency-- THE most important audio parameter of all, that audio folks don't even discuss. Then, there's dynamic(in motion) Energy Transfer Factors. There are many of those.
Of course, there's a whole lot more-- Caterpillar, for instance, made a whole lot of Diesel-Electric sets. The object was to get the cleanest, most perfect sine wave and the most kilowatts from a gallon of Diesel Fuel.
Alas! I do understand! We REALLY NEED those CAT Electric Sets to run the Hotel room power at our Hi-Fi shows....... Maybe someday rent one?
These industrial guys don't fool very easily! The U.S. Coast Guard has an Electrical Engineering school that is VERY different from University courses and published texts. They are concerned with Power Factors, transfer efficiency and how to get the most kilowatts from a gallon of Diesel (or Nuclear heat-cycle) also.
The Silent Service (Submarines) knows about dynamic (under changing load conditions) power transfer efficiency. How do you get the most speed and run-time underwater on the least fuel?
Perhaps these things don't apply to audio? OH! But they do! And how.
Challenge: Make a one watt amplifier out-drive, outperform, and outlast all the larger ones. Have No adjustments in it-- for any reason.
When you arrive there, then the tweaking can be FULLY engaged. (It was all along-- involved in every design decision)-- but NOW-- you can get even more!
Drag out all those $$$$$$ capacitors, Silver Wire, Mills Resistors and other things some guys told you didn't matter! NOW THEY DO matter-- A LOT! WHY?
Well, now we have an amplifier that's well-engineered enough to show-off what those parts can really do!
---Dennis---
Edits: 06/29/08 06/29/08 06/29/08 06/29/08Follow Ups:
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