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Multi-Way Conventional loudspeakers with crossovers

Money no object (ish) monitors...
Money no object (ish) monitors...
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Old 27th May 2009, 02:14 PM   #1
ben_scammell is offline ben_scammell  United Kingdom
diyAudio Member
Join Date: Sep 2005
Default Money no object (ish) monitors...

I am intending to build some high end monitors around the new Hypex AS2.100 DSP Active Loudspeaker Controller.

This is a two channel (100w per channel / 4 ohms) Class-D plate amp with a user programmable DSP (Digital Signal Processor) built in.

I will use one unit per monitor, so am aiming for a 2 way design, although I could be talked into a D'Appolito design if it looked really good. Size is important also, the smaller the better, but I also like strong extended bass so this is going to be an area of tradeoffs! (that said with the DSP I can do some very aggressive lf cut offs to stop over excursion).

I have some pretty much un-used Dynaudio drivers:-

6 17W75's
2 15W75's
5 Esotec D-260's

Now these are all 10 years old, so I am sure technology has moved on - but that said they weren't cheap! So perhaps should be considered...

I would welcome any thoughts and ideas!

Thanks in advance,

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Old 28th May 2009, 12:16 AM   #2
PeteMcK is offline PeteMcK
diyAudio Member
Join Date: Feb 2002
Location: Western Sydney
specs available here: http://www.gattiweb.com/dynaudio.html

a 2.5 way using the 17W75's & D-260's looks good...should give you plenty of bass in a reasonable sized cab

Edit: I retract, a quick sim in Unibox shows the 17W75's are Hi Q drivers, OB may be the way to go... or use them a mids in a 3-way???

OTOH, the 15W75s look good in a 25L cab tuned to the mid 40s...
Impedance varies with frequency, use impedance plots of your drivers and make crossover calculations using the actual impedance of the driver at the crossover frequency
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