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Old 27th May 2009, 02:14 PM   #1
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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,

Ben
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Old 28th May 2009, 12:16 AM   #2
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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...
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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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