diyAudio - colossusfan
Go Back   Home > Forums > Blogs
Home Forums Rules Articles diyAudio Store Gallery Wiki Blogs Register Donations FAQ Calendar Search Today's Posts Mark Forums Read

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
Old

an economic diy sub to compliment EV ZLX12P

Posted 17th August 2015 at 07:55 PM by colossusfan
Updated 9th September 2015 at 07:32 PM by colossusfan (Add mute function)

My first attempt at a blog so i hope i dont bore the pants off you all!!
I bought a 2 way so called 1Kw integrated speaker some time ago about which I have written various posts in the forums, management overview better value for money than DIY but vastly inflated specification as all similar units, actual measured output around 110dB max and LF rolloff starts at 80hZ!!
Soo it needs a sub!!
well if like me you like your low end forget the EV sub (ELX118p) and most of its compatriots for two reasons, one is rolloff starts at 40hZ or above, and 2nd is cost!!

Looks like i just use edit to add to the blog!

So to continue I used the UNIBOX spreadsheet (free) to model various drivers and box combinations, true to my namesake I started off with large Fane drivers but was scared of the price!! However I also discovered various nasties with ported or tuned enclosures most notably you tradeoff an extension in the 40-60hZ range for a much sharper cutoff...
Attached Thumbnails
Click image for larger version

Name:	P1140188.JPG
Views:	148
Size:	400.5 KB
ID:	1684   Click image for larger version

Name:	P1140189.JPG
Views:	119
Size:	389.7 KB
ID:	1685   Click image for larger version

Name:	P1140191.JPG
Views:	129
Size:	363.2 KB
ID:	1686   Click image for larger version

Name:	P1140192.JPG
Views:	208
Size:	400.3 KB
ID:	1687   Click image for larger version

Name:	P1140196.JPG
Views:	175
Size:	283.1 KB
ID:	1689  

Click image for larger version

Name:	P1140197.JPG
Views:	142
Size:	399.6 KB
ID:	1690   Click image for larger version

Name:	P1140201.JPG
Views:	341
Size:	321.9 KB
ID:	1691   Click image for larger version

Name:	90hz.jpg
Views:	108
Size:	71.8 KB
ID:	1711   Click image for larger version

Name:	P1140212.JPG
Views:	177
Size:	407.5 KB
ID:	1712  
Attached Files
File Type: pdf JBL DSP V1 280815.pdf (5.5 KB, 144 views)
colossusfan's Avatar
diyAudio Member
Posted in Uncategorized
Views 1449 Comments 1 colossusfan is offline
Hide this!Advertise here!

New To Site? Need Help?

All times are GMT. The time now is 09:15 AM.


vBulletin Optimisation provided by vB Optimise (Pro) - vBulletin Mods & Addons Copyright © 2017 DragonByte Technologies Ltd.
Copyright 1999-2017 diyAudio

Content Relevant URLs by vBSEO 3.3.2
Wiki