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After a number of years with electrostats and direct radiators I now have a two-way horn system based on the Oris 150 with Fostex drivers. I am loving the dynamics and separation but hearing some definite horn coloration. Is EQ necessary to overcome this?
I am using an analog Marchand XM66 crossover and Crossing between 30o and 350 Hz
Follow Ups:
I can't comment on your horns and drivers but I have found with my system that the choice of crossover frequency, and the position in space of the high-pass horn relative to the bass speaker play a big part in the presence or absence of "cupped hand coloration", not just the horn itself. Every little thing matters, including half an inch more up or more backwards...
Hi guys. I did two things:
- lowered xover from 350 to 200 ha
- replaced fostex 206en with AER BD1B
All colorations gone. Sound is reference-class now.
Hey Paul! You were using a Fostex FE206en? I'll bet you wished you switched to that AER BD1B in the Oris a lot sooner, huh? Out of curiosity how much better sounding is the AER driver vs Lowther? Or are they just different?
Thetubeguy1954 (Tom)
Central Florida Audio Society -- SETriodes Group -- Space Coast Audio Society
Full-range/Wide-range Drivers --- Front & Back-Loaded Horns --- High Sensitivity Speakers
I haven't heard Lowthers in Oris horns.
This should give a hint as to what a Lowther in one of these would sound like.
https://www.azurahorn.com/lowther_on_160.pdf
That broad 10-15dB hole around 1kHz might sound fine after eq.
I use AER BD3s in Oris 150 horns. I can't say how the Oris horns would sound unequalized since I have used a DEQX DSP with them from the beginning. With the DEQX speaker correction, room correction, time and phase correction etc. they sound truly excellent, immediate, fast, detailed, very dynamic, very realistic and free of colorations. I originally used Lowther PM4As in the Oris 150s. The AER BD3s are much much better.
I dream of an America where a chicken can cross the road without having it's motives questioned.
Edits: 06/27/20
Don,
Thanks for answering my question. But I now have a second question. This week I replaced a pair of Beauhorn Virtuoso's speakers I've been enjoying for the past few years. The Beauhorns which are loaded with Lowther PM5A drivers with ticonal magnets and I still have in my audio catch-all room, were replaced with a pair of Reference 3A Taksim speakers.
The Reference 3A Taksim speakers use an 8" hyperexponential, "full-range' driver with a beryllium dome tweeter that has a single cap attached and which, so far, I've found to blend wonderfully with the "full-range' driver!
My second question, which is posed with all due respect, is this; don't you believe any, good, high-quality speaker, would sound truly excellent once DEQX speaker correction, room correction, time and phase correction etc. is applied? I ask this because you now have me curious what doing that would do for my Taksim and Virtuoso speakers...
Thetubeguy1954 (Tom)
Central Florida Audio Society -- SETriodes Group -- Space Coast Audio Society
Full-range/Wide-range Drivers --- Front & Back-Loaded Horns --- High Sensitivity Speakers
I think the speaker would probably sound as good as it can... Speakers are Musical Instruments.
So, how exactly did you decide to do this?
Had AER drivers in Lamborns eons ago. They good.
If you can hear it you can measure it. What does your response look like?
I have never seen an Oris measured. The closest I have seen is this, and it is not pretty:
https://www.azurahorn.com/lowther_on_160.pdf
Smooth that to 1/6 octave, which is as much resolution a you can hear, and it's not bad at all. If that was measured in room it's pretty good.
I have the Oris Orpheans and have zero problems. Why don't you post your concern over at the BD Design Forum. Bert D. is there daily and he can address your problem. You may have to register to post. But will get a specific answer.
http://forum.bd-design.nl/
Will do.
What are you running yours with?
I have the Orphean System with the Orphean M5 Crossovers. And Concentric Drivers.
Hypex Amps on the Bass Crossed over at 270 hz. Bridged at 500 watts per channel. Klipschorn Bass Bins.
Details are here - http://www.bd-design.nl/contents/en-us/d71.html
I agree with Cut-Throat.
Excellent support on Bert's forum.
He has tremendous experience with implementation of this horn.
Mats
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