My self i increase the spl level to experience more bas by lack of sub-bas. And how will that sound compared to a loud speaker with more sensitivity and no sub bas.
The point a want to make is that with not going to extreme with sensitivity rating it is easier to reach the goals. I can not say it with 100% accuracy but it will do 92-93dB 1Wmtr very flat response extreme low distortion of the high frequencies. So I dicided to build a speaker with good sensitivity down to 30Hz. It did down to 45Hz and I missed sub-bas and due the back-loaded horn principle the mid range was to restless to listen to. The cost to you is an afternoon of your time to listen and to experiment.Best regards Moray James.After my Horn almighty project I wanted to reproduce at 102dB 1wmtr down to 35 Hz based on Simulation.
#EV HP 9040 DRIVERS#
If you want to try something else and I think I have suggested this save a lot of money and time and experiment with some simple paper Karlson K-Tubes remove your DH1A extender cups and use them as a 1.4" exit drivers rather than the nominal 2" exit, this way you will pick up some useful top end extension that way. At home levels the issues your horns have at PA levels should not be a problem at all, they can spit and sound like frying bacon at top output levels as in over 120 db but since you won't be going there at home no worries. Not many horns that will equal what you have and very few will better them.
#EV HP 9040 DRIVER#
You have a very nice set of horns designed for the driver that you have by one of the best companies out there with possibly the finest design team there has been. Yes this gives a good idea, now to locate some foam. Look at this patent if you still are not sure. This is not hard or complicated and it will only takes a few minutes to do. Does that help? You only want to fill the space you don't want the foam compressed so you trim the foam plugs to fit with just enough friction to wedge them comfortably in place inside the horn. You cut plugs to fit into the throat and the section up to and including the diffraction point of the horn. Edited Septemby moray jamesĢ5 - 30 PPI (stands for pores per inch) is simply open cell foam you can probably buy at any serious foam shop it is the same type of foam used in water wheel drum type humidifiers.
#EV HP 9040 SERIES#
At the Klipsch end of the pool I like the CF3/4 series of three driver two way loudspeakers.ĭuder: sticking some 25 - 30 PPI open cell foam into the throat (all the way up to the diffraction point of your 9040 horns will help clean them up easy and very inexpensive to do and cheaper than a new horn) give it a try. Then we have theages old love affair with the Altec 604 coax based monitors (which ruled the studios of the world for over thirty years) and the Altec 19 still a big favorite also. I kind of think that says a lot about it. JBL still has the two way fifteen inch with compression driven horn based system as their reference monitor "M2" top of the reference monitor line up.
#EV HP 9040 PRO#
After so many decades of trying to better a quality pro two way I can't think of anything that I really prefer to listen to overall and I know that other systems can do some aspects of the sound but the two way seems to get more correct and less wrong for me. So then it becomes a wide band compression driver with horn(on in my case a Karlson K-Tube) with a helper woofer and a helper tweeter. I always kind of figure that a good two way has an edge as far as the network business goes and if you have the drivers (which Duder definitely does)it works out like a very wide band driver with a woofer helper and if you want/need a touch more top end then you can always slip in a simple six db/octave good super tweeter with just a single cap at a nice high crossover point (around 10 - 12KHz)keeping all the xover business well away from the compression driver. Personal preference will always be the final decision maker I understand that.
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