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In Reply to: RE: POWER SUPPLY posted by morricab on April 25, 2016 at 07:57:12
I'm with you all the way on power and regulation. One of my standard tests for power supply adequacy -- for units that pass my grunt test when lifted -- is choral music with pipe organ and a choir with boy sopranos, singing in a language I understand but do not hear every day.
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My now departed friend Allen Wright called it downward dynamic range. The effect of being able to clearly hear soft sounds in the presence of loud ones. He was a strong believer in well regulated power supplies and even came up with his "super reg" board that could drastically improve DIY designs. He also told me that in a circuit everything that had to be tied down needed to be tied down tight and everything that had to swing needed to swing unimpeded. He said a lot of designs tended to get that backwards. I have heard many in that latter category unfortunately.
Right on Briggs.
Any amp can do girl with acoustic guitar, but for music that contains kettle drums, organ, and soprano voice, that's where a well regulated beefy power supply of a good amp will show a lesser amp a set of heels.
Meat; It's the right thing to do. Romans 14:2
Grigny , Saint Saens Couperin and Viern-Vidor masses and symphonies will get your amps attention, especially clear treble voices end. Not easy.
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