What's the attraction? - Page 37 - diyAudio
Go Back   Home > Forums > Loudspeakers > Full Range

Please consider donating to help us continue to serve you.

Ads on/off / Custom Title / More PMs / More album space / Advanced printing & mass image saving
Reply
 
Thread Tools Search this Thread
Old 24th August 2012, 04:01 PM   #361
tsiros is offline tsiros  Greece
diyAudio Member
 
tsiros's Avatar
 
Join Date: Jun 2012
Location: Patra, Greece
Send a message via MSN to tsiros Send a message via Skype™ to tsiros
perhaps i didn't explain it sufficiently, but while you're close, it's not what i am after.
  Reply With Quote
Old 24th August 2012, 11:03 PM   #362
tvrgeek is offline tvrgeek  United States
diyAudio Member
 
Join Date: Dec 2009
Location: Md
What you are after is only available as a parlor trick. You are talking about hetrodyne. Beat a modulated signal against a fixed frequency and the result is the difference. You could do it if you never moved your head more than a fraction of the carrier wavelength. ( I can combine two electrical signals at one point, but I can't combine two acoustic ones so the interference will vary with position. ) You still have the problem of having to put sufficient energy into the system. No free ride. This was demonstrated that realistic levels could be obtained using ultrasonics. Problem is, pumping several hundred watts of ultrasonics into the room is not healthy. You will run from the room puking with a bad headache.

While it is well demonstrated how your brain can fill in a few missing blanks, even entire notes not hit, there is no psychoachoustic substitute for real bass. Real bass means moving lots of real air. Big drivers. Let us not forget that little thing called distortion. Three inch woofers are called headphones. We may wish for magic, but I am an engineer.
  Reply With Quote
Old 25th August 2012, 11:59 AM   #363
tsiros is offline tsiros  Greece
diyAudio Member
 
tsiros's Avatar
 
Join Date: Jun 2012
Location: Patra, Greece
Send a message via MSN to tsiros Send a message via Skype™ to tsiros
Meh, it was just an idea that came to my head... it's not like i laid down equations.

thanks for the counterargument though. clears things up.
  Reply With Quote

Reply


Hide this!Advertise here!
Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


Similar Threads
Thread Thread Starter Forum Replies Last Post
Altmann Attraction Dac w/ Jisco and BYOB Amp rodge827 Swap Meet 1 31st March 2011 03:38 PM
Altmann Attraction DAC jeff mai Digital Source 18 20th October 2006 11:24 AM
Altman Attraction DAC. Ulas, Poobah, rfblw, Guido, anyone? MGH Digital Source 10 26th August 2006 10:17 AM
The attraction of vacuum tubes / valves. Circlotron Tubes / Valves 135 17th March 2003 02:37 AM


New To Site? Need Help?

All times are GMT. The time now is 02:46 PM.


vBulletin Optimisation provided by vB Optimise (Pro) - vBulletin Mods & Addons Copyright © 2014 DragonByte Technologies Ltd.
Copyright 1999-2014 diyAudio

Content Relevant URLs by vBSEO 3.3.2