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

---

[ Follow Ups ] [ Post Followup ] Thread: [ Display  All  Email ] [ High Efficiency Speaker Asylum ]

---

[ Alert Moderator ]

---

RE: It's about LF fidelity

Posted by Cask05 (A) on October 17, 2015 at 00:44:27

In Reply to: RE: It's about LF fidelity posted by djk on October 16, 2015 at 23:48:34:

"You talk a good game, but why does a dual 15 PPSL go lower than a Klipschorn, have less distortion than a Klipschorn, and is more efficient than a Klipschorn?...(same amplifier, same room, the dual 15 PPSL has to be crossed out at 200hz~250hz)."

Dennis, I have a lot of respect for your opinions both here and on the K-forum, and in terms of your PPSL and your electronics knowledge.

However, the point is obfuscated in "have less distortion". What kind of distortion are you measuring? Dual-tone modulation distortion with the drivers used as direct radiators and the same drivers used in a FLH? Harmonic distortion is approximately the same whether using direct radiating drivers or FLH at equivalent cone displacement travel, but modulation distortion (non-harmonic) piles up at the highest frequencies as sidebands on the direct radiating configuration and just sounds opaque with that "DR sound". I also feel that you know this to be true, but you must assume that it doesn't matter. For me, it makes all the difference in the world.

Use those same two 15" woofers in a well-designed FLH, and do the dual tone tests at equivalent acoustic output power. The FLH configuration will have a great deal less cone travel for the same output power.

Let's compare apples-to-apples, and not some arbitrary design to another, and different, arbitrary design.

Chris
"As far as the ear can tell, consistently clean and spacious bass can be reproduced only by a driver unit coupled to a horn-type acoustic transformer..."; Jack Dinsdale, May 1974

This post is made possible by the generous support of people like you and our sponsors:

Signature Sound

[ Signature Sound Lounge ]

---

[ Top of Page ] [ Contact Us ] [ Support/Wish List ] [ Copyright © 2024, Audio Asylum, all rights reserved ]

---

[ General ] [ Speakers ] [ Tubes ] [ Vinyl ] [ Digital ] [ Hi-Rez ] [ Video Asylum ] [ Cables ] [ Tweaks/DIY ] [ Music ] [ Films ]

---