High Efficiency Speaker Asylum

Need speakers that can rock with just one watt? You found da place.

Use this form to submit comments directly to the Asylum moderators for this forum. We're particularly interested in truly outstanding posts that might be added to our FAQs.
You may also use this form to provide feedback or to call attention to messages that may be in violation of our content rules.

You must login to use this feature.

Inmate Login

By default, logging in will set a session cookie that disappears when you close your browser. Clicking on the 'Remember my Moniker & Password' below will cause a permanent 'Login Cookie' to be set.

Moniker/Username: The Name that you picked or by default, your email. Forgot Moniker?	Examples "Rapper", "Bob W", "joe@aol.com".
Password:	Forgot Password?
	Remember my Moniker & Password ( What's this?)

If you don't have an Asylum Account, you can create one by clicking Here.

Our privacy policy can be reviewed by clicking Here.

Inmate Comments

From:
Your Email:
Subject:

Message Comments

Original Message

no but..............

Posted by Norman Bates on July 15, 2012 at 04:40:47:
I played with it for a while.

Using a 10 band eq on a stock driver, I had a squeek of boost at 8khz and a little at 16khz. I also had cotton batten between whizzer and cone down by the voice coil.

I trimmed maybe 1/8 off the whizzer (a little) and I needed a bit more boost at 8khz and more at 16khz, but the honkyness improved a little also. It was better overall.

I then cut off all the whizzer, and the honky ness was gone !!!! But I couldn't eq in the high end. 8khz and 16khz sliders made no difference in the high end.

If I measured it after cutting the whizzer off, I'm sure that I'd have seen more of a climb from 1khz to 5khz then it roll off very steeply past that. Whizzers usually put out the really high stuff (like 5khz plus) and they also act out of phase for an octave, maybe 2 under it. By acting out of phase, it lowers the freq response of the driver there compared to the same driver without a whizzer.

This guy cut the whizzer off his coral flat 8 and made measurements. Removing his whizzer also narrowed his dispersion from 2khz to 4khz also.
http://www.diyaudio.com/forums/full-range/185012-whizzer-intelligibility.html

Interesting read.

Norman