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In Reply to: RE: Blu-ray player analog outputs vs. Pre/pro or Receiver analog outputs. posted by oscar on December 17, 2009 at 16:42:15
as long as you can set up effective bass management (if needed), level and distance settings for your installation. Analog preamps generally cannot and most player are somewhat limited in those tools.
Kal
Follow Ups:
The Oppo BDP 83 has speaker distance adjustments.
No speaker can be set to be farther from the listener than the main L/Rs. Both my center and my sub are farther away.
Kal
Is distance relative to full-range speakers really that important for a subwoofer(s) ?
any use of a sub EQ (such as the ones in the jl and new Paradigm subs or a standalone one such as the SVS) will add significantly to the effective distance because of the latency of the DSP.
Kal
both at different distances in different parts of the room. There is an alleged one time "auto-calibration" ritual using a microphone to help the subs figure out automatically what each is supposed to do as the subs self-generate test tones. How does a preamp/processor know how to handle this ?
Problem should get even more intesting when(/if?) the recommended four (4) subs are implemented.
This is a complicated issue. There are a few interesting approaches.
One is the SVS-EQ1/Audyssey SubEQ approach in which the subEQ takes care of the differential in delays of a pair and the bass management in the processor deals with the net performance of the pair.
There is another from JBL which handles up to 4 subs and EQs them.
Kal
Especially important. You notice the delay (=distance) much more easily with LF signals.
I forgot about this issue with the Oppo (say) BM...and it isn't going to be changed soon either since it originates with a (non-custom) chip maker. I don't use the mch analog outputs anyway.
but I guess most folks don't have this luxury. Level matching can be accomplished with preamp (e.g. boost/cut back sub output as needed).
... but I don't have a good way to get to 7.1 without spending a whole lot more money (another preamp and more speakers... amps... etc)
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