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I want to find the best-sounding (or close to-) digital crossover.
I already tried the dbx Driverack PA and 260: the bass are good, but the mid-highs are not, lack clarity, grainy. The 260, despite being way better built than the PA (more discrete components, larger transfo, etc.) sounds very similar.
I am now using a BSS FDS-336: very good, but slightly thin bass and adds a little bit of aggressivity in the mid-highs. Better than dbx overall, though.
The expensive, 96kHz FDS-366 sounds exactly like the FDS-336.
Does someone tried the Ashly, dbx 480 & 4800, Behringer DCX2496 or others, and compared the sound between:
- A direct path Preamp-Amp-Passive speakers, and
- Preamp-Crossover-Amp_Passive speakers, with every command of the crossover on neutral or disabled?
Thanks to help,
Yves
Follow Ups:
z
The best one I found is computer based and use RME sound card and Linux OS and BruteFIR software.
of the DBX drive rack, I found that all I had to do was to equalize for the equalizer; that is, I had to do two half db adjustments on the dbx to compensate for the dbx's intrinsic "flavor" or change from neutral. Neutral being defined in this case as the sound of the Dac1 going into the amps directly. I have actually found the dbx unit to be more transparent in regard to the source signal than most high-end preamps I have had in my house (where I could actually test them).
I my case, with my gear, I had to take the dbx down .5db at 4khz and .5db at 8khz for it to sound exactly like the source. (This is with everything else set "flat" so I could adjust for the intrinsic flavor of the dbx itself). It often takes a great deal more to adjust for the different flavors of high-end preamps. Obviously, there are preamps that are damned close to perfectly neutral, but many audiophile favs are..well...flavored. Nothing wrong with that...
In my experience, with three seperate units, the DeqX was not very good at all..it was as if the adc and the dac were not on the same page at all. It always had a signature you simply could not get out. (Sounded like a weird sort of aliasing to me.) I understand that there have been improvements since the ones I tested.
Also I have to ask...did you allow sufficient break in time for the various digital devices? They respond to burn in as much, or more, than any other device.
Give Me Ambiguity or Give Me Something Else!
Klark Teknik DN9848 Digital Crossover System
Accuphase
xta
As far as I can gather founded by ex-KT engineers who were unhappy with KTs digital side.
Uses proper 24/96 convertors (unlike KT) and better implemented DSP software.
Or BSS Blu processors.
The Kt/Midas stuff that is out now is top notch.
XTA and BSS both have suffered from a slow combersome interface in live situations.
dbx drive rack stuff has issues. I have only sold and installed it in budget systems where the client could not afford anything else. Believe it or not, Peavey has some comparable if not better solutions that include all pass filters. The dbx has course x-over settings. Even if you are using the Harman family speakers with their factory presets, they are not close enough in many cases. The other thing that may be causing you some harm is process latency. Never use EQ or anything else on the outputs, because the added processor latency can not be automatically compensated for. You will need to use SMAART or similar software to adjust delay on the highs/mids/lows respectively to keep everything time-aligned.
Ashly analog might be ok. All digital stuff is too noisy for critical applications IME.
What is the budget?
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