|Originally posted by Shane Martin:
If You have a good subwoofer You wouldn't be saying I love my 5.0 system.
Please define 'a good subwoofer'.
I have owned the Sunfire Sub - didn't like it.
I have owned the NHT SUB TWO - didn't like that one either.
Actually, none of the subwoofers I have tried came even close to matching my very phase linear front speakers, thus only blurring the already existing bass and also interfering with the mid range stereo perspective. Yes, that's right - the sub always interfered with the stereo perspective. Actors voices were no longer that precise in location between the front speakers for as long as the sub was integrated into the system.
|(the movie produces 5hz bass that ZERO speakers and only a few choice subwoofers will play at) and then play this track thru your speakers with the subwoofer of choice (make it a good one) and tell me you like 5.0 compared to 5.1.
I agree to that there is important information below 43Hz, especially in the movies. But what I don't accept and/or like is that all the subwoofers I have tested interfere with my front speakers.
My front speakers start roll off (not very steep though) at 45Hz (-1db).
When measured with my decibel instrument my NHT SUB TWO went all the way down to lovely 27Hz -3db. BUT when used together with my front system the NHT sub only seemed to blur/hide small details in the deepest bass played by the fronts - thus not only extending the frequency range!!
Me and my audio friends, we tried and tried and tried calibrating the SUB TWOs phase, volume and cut off frequency without finding any satisfying setting.
|Most all speakers will be strained to play the bass along with the other notes at reference level.
I agree - but again, I don't think it applies to my speakers. http://www.avsforum.com/ubb/smile.gif
(Hey, I'm not trying to tease you - promise - I'm just really interested!)
Actually I don't really know what the actual reference level we are talking about here. Correct me if I'm wrong but ...
My speakers are rated to play a maximum SPL of 118db.
a) if the distance to the listening position is about 2.5 meters that should cost about 4.5db of sound pressure level
+ (= 4.5db)
b) add the LFE channel, playing up to 10db louder than other channels
+ (4.5db + 10db = 14.5db)
c) add the main channels playing up to 27db louder than the dialogue norm.
+ (4.5db + 10db + 27db = 41.5db)
d) add the (reference?) volume of the dialogue norm, in this case let's say 72db
+ (4.5db + 10db + 27db + 72db = 113db)
(Hihi, it was probably more fun creating this math and research than it is reading it! http://www.avsforum.com/ubb/wink.gif
I guess it'll be alright playing the LFE through my front speakers.
BUT I see where you are getting. http://www.avsforum.com/ubb/wink.gif
There is not much margin for turning up that volume. (But 113db is already very loud!! Don't you think?)
|Rerouting the LFE to the subwoofer takes the pressure off both your mains and amp that powers the mains and allows the subwoofer to do its ONLY duty.
But is there a sonic difference?
Please recommend me a good subwoofer and I'll go listen to it right away.
Thanks for the many fine answers!
Marcel, Stockholm, Sweden