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Car Audio opinions continued from metallman?
agree...this is a copy and paste of a question I answered caraudio.com.Its just an example of opinions.The topic was L7 VS. Type R alpine.Which was better
"A great thing about Forums....they are a great place to express ones knowledge and OPINIONS. Being in car audio for 18-19 years now,I have always been asked which is better....this or that. Well Im gonna tell you right here and now. MOST car audio opinions of products are formulated
from experience and not facts/science. This is a FATAL FLAW in judging various products. The main reason is we as the asker do not know what the circumstances were in each person. This meaning....what kind of enlosure was used,how well was it built,what kind of amp used,what kind of deck,was there enough voltage supplied,was the right size wire used,was the system/speakers laid out for the proper sound enhancing,what kind of vehicle.....you get my point...TOO MANY factors. BUT...I will say that I have used BOTH with there proper enclosure specs..
both ported and sealed.It is also difficult to judge alot of times because various brands/products perform suprisingly close sometimes.
Sometimes you are comparing 2
great products. That is the case here. In MY opinion,both are exceptional subs and choosing the right one will determine what kind of sound you are looking for. If you are looking for SPL,I suggest using the L7 in a ported enclosure or a sealed enclosure at about 10% more than recommended air space. If you want sound quality,then go with the alpines at about the middle range of recommended air space. They will give you a range between .65 to 1.0 cuft airspace...go around .75 to .85 cuft. As with any great sub,you will get great perfomance so long as you supply them with ample power or with in RMS range and THE RIGHT TYPE OF ENCLOSURE. My rule of thumb is to supply the sub with at LEAST half of its RMS rating. Use a good amp(meaning not cheap)or one thats CEA compliant 2006 and they both will sound great.
I have used both at these subs with the aboved mentioned variables and that is my opinon of them. Good luck."
ALL WHAT I MENTIONED PLAYS A VERY IMPORTANT ROLE WHEN LISTENING TO SUBS
1 Answer
- 1 decade agoFavorite Answer
You know.. I would say that when it gets to that level, there are no real rules to follow for each system.
In my 30+ years of this, I have found that no new design is 'bad' until proven otherwise. I recently installed a single 7" home-style Bose Accoustimass enclosure (of all things) loaded into a neon's trunk that sounded like a pair of well loaded and powered 10's and as good as many-a-slammed dual 12" or 15" setup.
Without a doubt, the best small sub setup I have ever heard in any vehicle.
TBH, it was just a spare part that was otherwise useless because he did not have the control box to use it in his HT. Incredibly small and smooth sounding yet it hits like a pyle driver when told to.
As an accuracy buff (with SPL simply being a by-product of that accuracy and headroom), I prefer sealed over vented designs and was literally blown away by what the little vented Bose does in a car.
I guess the bottom line is that if you want 'Bose quality' in your car, use their home gear and skip the factory installed Bose bs :)
Testimony to trying new things.
As to which Sub?
It seems near a moot point because at that level, either speaker could outperform the other based on over a dozen factors, some of which were already mentioned.
It also seems that everytime you hear this kind of a question, it is some semi-novice that wants to have the bad boy system without learning all of what it takes to get it to that bad boy status.
It is pretty unlikely that anyone with the other knowledge needed to accomplish this would ever need to stop and ask such a question (but for the sake of being social and wanting to help, I have responded).
Cheers,
Jerry Mael