My Next Project
Posted 15 April 2010 - 02:36 PM
So thought it was time to get my hands dirty and get a little hands on experience.
Originally my design was to build a 2-way pair of monitors... In this design, I was happy to sacrifice directivity control for low end extension, hence why I went with 12" woofers.
If I did not already have these drivers I would be looking at using a higher efficiency 8" midrange, which would better maintain directivity control.
The drivers in use:
Highs: BMS 4550 1" exit compression driver in QSC 10" round waveguide
Mids: JBL 2206H 12" midrange/midbass
Lows: JBL W15GTI
Top cab is approx ~1cu.ft, while the bass cab is approx 3cu.ft.
Crossover/EQ/TA will be handled via a Behringer DCX2496.
Amplification as follows:
Highs: Marantz MA6100 monoblock
Mids: Marantz MA6100 monoblock
Lows: Cambridge Audio 840W
- skappascrap likes this
Posted 15 April 2010 - 02:56 PM
so.. those floorstanders was just a taste and "learning" project danny....
looking good... should be nice and loud....
Posted 15 April 2010 - 03:40 PM
Posted 15 April 2010 - 04:06 PM
Posted 15 April 2010 - 04:13 PM
I will leave the profile of the waveguide as is for the mean time, and listen/measure first.
The goal is to create a "large" sweet spot if possible, but also to try and remove the room from the equation as much as possible (dipole would definately be an option here).
arent you still building those mordyns
Those have been completed for over a year now, infact probably close to 2... Don't you keep up with the times?
I've completed them and moved on... new design ideals, which hopefully mean better sound
The Mordyns do have a very sweet top end though.
Posted 15 April 2010 - 04:26 PM
IMO the crossover may let down those fantastic amps a little though.
Edited by Big_Valven, 15 April 2010 - 04:26 PM.
Posted 15 April 2010 - 04:34 PM
Posted 15 April 2010 - 04:40 PM
Fair enough on the IB, you would need about 4, maybe even 8 to keep up with the horns.Will you be doing any room treatments? carpet, rugs? ceiling hangings, curtains etc? Maybe even some wall panels?Ant
Won't be until after these are completed/measured in room... And then i'll decide what's necessary.
And when I get a bigger room to put them in (Currently the Mordyns are in my bedroom - these will hardly fit).
Posted 15 April 2010 - 05:46 PM
Posted 05 May 2010 - 01:41 PM
what he said ^^^
edit: whats the difference?
edit edit: wait nevermind i know...
Edited by bobo333, 05 May 2010 - 01:42 PM.
Posted 05 May 2010 - 09:59 PM
Posted 07 May 2010 - 11:06 AM
Posted 07 May 2010 - 11:44 AM
PM me the specifics.... template, etc...
i can ask my dad for ya if you want??
Posted 07 May 2010 - 12:23 PM
Plans are in first post.
All exterior cuts 45 degree mitred, made from 50mm marine ply if possible, otherwise 50mm mdf (laminate if need be)...
Going to be big and heavy, not an easy job.
Going to finish them in a matt black at this stage, so perfect finish is very important!
Should be fun
Posted 14 May 2010 - 03:51 PM
Should load the compression driver lower, as well as control directivity down lower as well... hoping for a crossover around 1-1.2khz which would be much prefered over the 1.6-2khz crossover with the current 10" waveguide.
Posted 17 May 2010 - 09:13 PM
BTW: INSANELY CRAZY packaging!
Took me half an hour to get the thing out of the milk crate
Definately no chance of it getting damaged!
Posted 18 May 2010 - 09:56 AM
but then, you know him too
Posted 18 May 2010 - 10:44 AM
Will measure them and adjust the plans to suit, then contact him
Posted 18 May 2010 - 11:05 AM
as nice as those GTI's will sound im sure they will have no trouble waking up the neighbours either