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colossusfan colossusfan is offline

diyAudio Member

About Me

  • About colossusfan
    music, railways, eco
    retired electronics designer
    United Kingdom
    Real Name


Total Posts
  • Wiki Contributions: 0
  • Wiki Comments: 0
  • Recent Wiki Activity: colossusfan has no recent wiki activity
General Information
  • Last Activity: 19th May 2017 07:28 AM
  • Join Date: 3rd November 2014


Latest Blog Entry

Posted 17th August 2015 at 07:55 PM by colossusfan Comments 1
Posted in Uncategorized
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...
Recent Comments
I wondered if comments...
Posted 9th September 2015 at 07:28 PM by colossusfan colossusfan is offline
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