High Efficiency Speaker Asylum Need speakers that can rock with just one watt? You found da place.

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The Speaker's Horns

Posted by Inmate51 on March 1, 2010 at 13:21:47

In Reply to: High Efficiency Speakers and Large SS Amplifiers posted by Mister Pig on February 28, 2010 at 08:13:01:

Thanks for the very interesting and useful info about the various amp configs you used.

As someone else noted, high-power SS amps back in the day had horrible sound at low power outputs. Many also had horrible sound at high power outputs. Crossover notch distortion, slew rate, truckfuls of negative feedback, and weak current output took their toll! If I remember correctly, Ampzilla was the first, or among the first, of the commercial manufacturers to promote high slew rates. I remember John Curl, back in the early 70's, being disgusted at the state of commercial amp design, and doing what he could to move it forward. It's good to see that some of that then-innovative thinking is now accepted practice for high quality amps.

I have a question about the performance of the speakers. The horns clearly are a series of straight pipes of successively larger diameters, coupled together. What FR anomalies have you heard or measured due to this design?

Edits: 03/01/10

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