active crossovers : off the shelf & DSP views/experiences

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I have a dbx driverack. I purchased it as a development tool. DSP crossovers are fantastic for trying out ideas. I can try a set of filters in a matter of seconds. I can even have different settings for different moods or music styles.

I can't say how it compares to the Behringer, but the sound quality of the driverack is really excellent. It seems transparent. The reason I chose it over the Behringer is the subsonic synthesiser. Not really HiFi, but it's a cool effect on certain material.

The only problem I've had is that at the -10dBu input setting the HF rolls off by a few dB by 20kHz! I've emailed dbx and have so far been completely ignored. Their customer service sucks. At the moment I lose one EQ channel just to correct this.

That said, I highly recommend DSP based crossover/EQ's. Once you have your settings sorted out, and if you're really not happy with the sound quality, you can roll your own analogue crossover with the same filter settings.

One other thing that may be important to you with a DSP crossover is latency. The driverack adds about 1.5ms delay irrespective of it's settings. In a recording situation, that amount though small, may be too much.

Cheers,
Ralph.
 
"Virtually any HT receiver or pre-pro offers 6-channel input."

"PS, the sixth channel is line-level only, to feed an active sub."

Not sure what you mean by "only"; aren't all the outputs line level?

What's needed is six inputs which go through the volume control, which the sub channel would, correct?

Back to the Panasonic, the 5.1 inputs are analog, right? Which would mean yet another A/D/A conversion.

Thanks
 
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