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Rear Speaker Recommendations


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thatvan 
Member - Posts: 7
Member spacespace
Joined: August 01, 2003
Posted: August 30, 2003 at 1:37 PM / IP Logged  
Installing a new system in my 98 Jetta and have a question about rear fill speakers. What I have is as follows,
Nakamichi CD-400
Infinity 255 5 channel amp
Infinity 6000 Reference 6.5" Comps (front)
1 Infinity 120.3 DVC Sub
Ifinity 6000 Reference 6.5" Comps (rear) OR
Infinity 652 6.5" coax's
I was thinking to use the woofer and crossover from the 6000's in the rear, leaving out the tweeter, but I have the 652's laying around and I might use those instead.
Which would sound better? Do you think there would be any noticable difference? Would the tweeters in the 652's cause any issues?
thanks,
   Ian
drvnbysound 
Silver - Posts: 289
Silver spacespace
Joined: May 06, 2002
Location: United States
Posted: August 31, 2003 at 12:33 AM / IP Logged  
I am not really a person who suggest rear fill speakers at all, but unless you have a component set lying around, dont spend extra money to get them. You dont really hear rear speakers all that much anyway, thus doing a coaxial setup would be fine. Personally, the only reason I would suggest doing rear speakers, is if you were doing a 5.1 setup. You would be better off to spend some extra money on getting a set of kickpanels for your vehicle, and moving your front speakers to them. This would give you a much better front stage, and allow the speakers to play to you, instead of to your leg. If you were to get the kickpanels and sit in the back seat, I think you would see that the rear speakers wouldnt be needed. They would be able to hear the front stage just fine.
Check into it.
wizzle 
Copper - Posts: 55
Copper spacespace
Joined: August 08, 2003
Location: Afghanistan
Posted: August 31, 2003 at 2:20 AM / IP Logged  

how is it that you stay in business by not recommending a rear fill stage??? only when recommending a 5.1 system?  rear fill is kind of required for that....

you usually don't hear the rear stage unless a dumba@# tunes it for you.  marvin, you seem to sound like you are into sound quality, so surely you must know the importance of haveing the ambiant sound from the rear stage.  rear fill is just that, fill.  so why would you downgrade to a co-ax when there is a good set of components there.  espicially with an amp to run them.  not having a pissing contest hear, but i have put together many SQ systems, and i can guarantee you that they wouldn't have sounded nearly as good if there was only a front stage and sub. 

my advice is to keep the tweeter hooked up in the rear. when the installs done, and you don't like the tweet in the rear, just disconnect it.  by keepng the tweeters hooked up in the rear, it keeps the integrity of the sound from the front.  this keeps everything balanced.  many SQ setups have a 60% front stage and 40% rear stage.  some are 70% front, 30% rear, depending on the customer.    so defintly keep a rear stage, just experiment a little bit with it and it will be very clean. 

Velocity Motors 
Moderator - Posts: 12,488
Moderator spaceThis member has made a donation to the12volt.com. Click here for more info.spaceThis member has been recognized as an authority in Electrical Theory. Click here for more info.spaceThis member has been recognized as an authority in Fabrication. Click here for more info.spaceThis member has been recognized as an authority in Mobile Audio and Video. Click here for more info.spaceThis member has been recognized as an authority in Mobile Security and Convenience. Click here for more info.spacespace
Joined: March 08, 2002
Location: Manitoba, Canada
Posted: August 31, 2003 at 11:09 AM / IP Logged  
Hey wizzle, I have to agree with drvnbysound in the " not recommending a rear fill stage " scenerio. If you look at his list of equipment........ a 5.1 processor is not in his set up as well as rear fill in an SQ is required but only minimally. I would even go as far as saying he should leave his factory rear speaker's in, but that's me. If he's not competing and just doing it for himself, I would HIGHLY recommend that he leave his factory speakers in the rear and spend the money on a processor/EQ to develop his sound quality. Seeing that there is no EQ in his setup ( at least not listed ), he is obviously not competing .
Jeff
Velocity Custom Home Theater
Mobile Audio/Video Specialist
Morden, Manitoba CANADA
thatvan 
Member - Posts: 7
Member spacespace
Joined: August 01, 2003
Posted: August 31, 2003 at 1:51 PM / IP Logged  
Please forgive my ignorance, this is the first time in my life that I have enough expendable cash to get a good system. Dosen't 5.1 refer to a multimedia setup. I'm not going for anything like that. Just good sound quality. The amp has a built in crossover, would I really see that much of an improvement with a seperate EQ?
Jeff, When you say to use the factory rear speakers would you also run them straight off the head unit or still go through the amp? Buy the way the factory speakers are reaaallly crappy. Either way I power the speakers, what level should I bring them to?
Thanks a bunch guys,
Ian
wizzle 
Copper - Posts: 55
Copper spacespace
Joined: August 08, 2003
Location: Afghanistan
Posted: August 31, 2003 at 10:02 PM / IP Logged  

hey velocitymotors, i did happen to notice there is not a processor in the setup.  was only responding to drvnbysound comment on it.  So, if you say that rear fill IS a requirement, why would you recommend to keep it stock??? especiall with a 5 channel amp???  i also would recommend a sound processor, but why would you process it throught the factory rears, especially when he has a decent component/co-ax speaker?  ever heard a factory speaker sound better than an infinity???  especially given his comments on how good his stock speakers sound... highly recommending leaving the factory speakers in the rear also shows you may not have read his comments very closely.  He ALREADY has two different options for rear stage, so he's not saving any money to invest in a processor. 

thatvan, there will be a noticable improvement by adding an eq to this setup. turn the volume knob on the deck all the way up, then back a couple of clicks.  this allows the full voltage to travel down the rca wires for maximum amp. input.  (turning the knob back a few clicks makes sure the deck is not running wide open and sending out a clipped signal).by tuning the fronts alone (no rears or sub), then rears (no fronts or sub) then tuning the sub (no front or rears), then balancing everything out with everything playing is an ideal  way to tune your system.  it can take a little bit of time to tune a system well, but the end result is well worth it. 

Maxst 
Silver - Posts: 866
Silver spacespace
Joined: June 06, 2003
Location: United States
Posted: August 31, 2003 at 10:07 PM / IP Logged  
i put some 6.5 2 ways in the back of my ma's car...there is a difference in sound. This way the back seat ppl and hear it.
I need quality equipment, feel free to donate.
thatvan 
Member - Posts: 7
Member spacespace
Joined: August 01, 2003
Posted: September 01, 2003 at 7:15 PM / IP Logged  
Thanks for all your replys. This is helping a lot. You have me intrigued with the EQ/processor thing. What is the difference? On EQ's how many what type? Is there a place to get more info on these?
Back to the origanal question, comp's or coax's?
Again, thanks to all of you.
Ian
Velocity Motors 
Moderator - Posts: 12,488
Moderator spaceThis member has made a donation to the12volt.com. Click here for more info.spaceThis member has been recognized as an authority in Electrical Theory. Click here for more info.spaceThis member has been recognized as an authority in Fabrication. Click here for more info.spaceThis member has been recognized as an authority in Mobile Audio and Video. Click here for more info.spaceThis member has been recognized as an authority in Mobile Security and Convenience. Click here for more info.spacespace
Joined: March 08, 2002
Location: Manitoba, Canada
Posted: September 01, 2003 at 7:59 PM / IP Logged  

wizzle: HOLD THE PHONE !! Make sure that you read the posting date before you decide to knock me down on this forum ! I did not realize Ian's current condition of his rear speakers until he posted it after my reponse to his first email.

" So, if you say that rear fill IS a requirement, why would you recommend to keep it stock"

  • Stock is still a form of rear fill. That is why I suggesting keeping the OEM speakers. If the OEM speakers are not accpetable( as per Ian's comment ) then I would suggest spending some money on coaxials, but not components for the reason that components are for improving imaging and sound stage where rear fill does not require this.

"ever heard a factory speaker sound better than an infinity??? "

  • Yah I have..... Bose systems are very comparable in most Nissans & Chevy's. Again I did not know before I made the post that his rear speakers were not very good.

Ian: For most vehicles that I tune, I usually bring up the volume to normal listening levels and then slowly fade out or lowere the gains on the amplifier for the rears until you can hear them only if you turn your head to the back and listen for them. If you can hear the rears with your head facing forward, then it is still too loud.

Jeff
Velocity Custom Home Theater
Mobile Audio/Video Specialist
Morden, Manitoba CANADA
wizzle 
Copper - Posts: 55
Copper spacespace
Joined: August 08, 2003
Location: Afghanistan
Posted: September 03, 2003 at 4:01 AM / IP Logged  

ok.  there are good points there, and there is no disrespect meant.  if any was taken, i apologize. 

however, posting data doesn't always mean someone is right.   we both know that year Jetta didn't come with a bose system.  just curious here.  i am quite the blunt person, so don't take me wrong here.  why wouldn't a rear stage, which agreed, doesn't require imaging, need to have a good sound stage.  given the choice of speaker (which i sell both) for rears (i feel as well as many customers) the component set has much better range of sound and accuracy.  this would seem to be quite important for the rear fill.  the more dynamic and accurate the speaker, the better the fill will be.  whether its imaged from the front or its just for rear fill, the better the sound the better the sound stage, however subtle it may be.

as for setting the rears, everyone on this sight could piss all over this post about the best way to tune a system.  tune the rears to how you like.  for some people, only hearing the sound with head facing forward is acceptable. for others it's not.  again, experiment with the system till it sound the way you like.


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