Fordmods Logo

i think a myth is wrong - prove me wrong 

 

Page 2 of 3 [ 31 posts ] Go to page Previous  1, 2, 3  Next

 
Posted: Fri Jan 14, 2005 2:03 pm 
Getting Side Ways
Offline
User avatar

Age: 34

Posts: 598

Joined: 12th Nov 2004

Gallery: 9 images

Ride: Modified EA-S Falcon

Power: 142 rwkw

Location: Southern Highlands
NSW, Australia

as i mentioned before 6x9s are a mid range bass producing cone. You can get 3 way designs hat add the trebble but are a pointless speaker for the work involved in installing them. a 6" setup looks more effective and sounds better. Also note puting a sub underneath the parcel tray will cause problems with a set off 6x9/7x10 due to a weaker design in the speaker chasis, the pressure and resonate frequency of a sub damages and distorts the cone over time, and can be noticed in the cabin. but if you where to seal a set of 6x9's in a solid enclosure well thats better, nice tight punchy mid range
Top
 Profile  
 
 
Posted: Fri Jan 14, 2005 4:29 pm 
Getting Side Ways
Offline
User avatar

Age: 43

Posts: 2705

Joined: 6th Nov 2004

Gallery: 11 images

Ride: 2009 FG XR6 Sedan

Location: Melbourne
VIC, Australia

cancelation through frequencies!!! ive never heard of that in all my years of a sound engineer! i think you mean phasing... some amps and active cross overs you may notice they have a 180deg phase switch, thats what its for to stop cancelation if there is any. nothing to do with frequencies. and when you tune the sub you're really only setting the frequency cutt off piont. if say set at 120Hz it will in actual fact taper off to around 160Hz. this is done so that there is an overlap and no frequency is completly lost.
Top
 Profile  
 
 
Posted: Fri Jan 14, 2005 7:14 pm 
Getting Side Ways
Offline

Age: 31

Posts: 1372

Joined: 7th Nov 2004

Ride: Lancer Coupe

Location: Southeastern suburbs, Melbourne
VIC, Australia

okay then guys talking about crossover then

i will ask a question about mine. i have a pair of sixes and they have a fixed crossover at 80htz. i used to have my sub at 120htz buti found that there would be a doubling up of sound. the sub would make 'boom' sound and in the background i could hear the 6's making there 'tap' sound. it was like and echo. my sub had the amp with the changeablke crossover so i had to put it to about 80htz. now that i did that the sound isn't there anymore but also i have lost some bass. is there any external crossover stuff that i could buy to put in the line between the amp and the 6's so they can be adjusted.
Top
 Profile  
 
 
Posted: Fri Jan 14, 2005 7:28 pm 
ACT Cruise Moderator
Offline
User avatar

Age: 36

Posts: 6275

Joined: 24th Nov 2004

Ride: '06 BF GT-P

Power: 293 rwkw

Location: Canberra
ACT, Australia

The 6"s will most liekly only have a capacitor between the terminals as the 'crossover' remove that, add a real crossover (adjustable, or a fixed one of the rigth value), and you're set.

 

_________________

1998 DL LTD in Sparkling Burgundy, daily, 302W, stereo, slow - 97.5rwkw
2006 BF GT-P in Ego, mods. 293rwkw - 12.427@109 - 0-1000m 24.838@221

Top
 Profile  
 
 
Posted: Sat Jan 15, 2005 7:46 am 
Getting Side Ways
Offline

Age: 31

Posts: 1372

Joined: 7th Nov 2004

Ride: Lancer Coupe

Location: Southeastern suburbs, Melbourne
VIC, Australia

the cross over on the 6's is from the amp. how much would the type you are talking about cost
Top
 Profile  
 
 
Posted: Sat Jan 15, 2005 11:30 am 
ACT Cruise Moderator
Offline
User avatar

Age: 36

Posts: 6275

Joined: 24th Nov 2004

Ride: '06 BF GT-P

Power: 293 rwkw

Location: Canberra
ACT, Australia

If the crossover is in the amp, and non-adjustable, there's nothign you can do, except get a new amp.

 

_________________

1998 DL LTD in Sparkling Burgundy, daily, 302W, stereo, slow - 97.5rwkw
2006 BF GT-P in Ego, mods. 293rwkw - 12.427@109 - 0-1000m 24.838@221

Top
 Profile  
 
 
Posted: Sat Jan 15, 2005 3:55 pm 
Getting Side Ways
Offline

Age: 31

Posts: 1372

Joined: 7th Nov 2004

Ride: Lancer Coupe

Location: Southeastern suburbs, Melbourne
VIC, Australia

i went out today and bought a newe head unit. its an alpine cda9831. it has crossover features built in it. i also bought it because the system was sounding s**t have 6 channels running off only one pair of rcas. it is much better now and it blows the old cda 9821.
Top
 Profile  
 
 
Posted: Sun Jan 16, 2005 5:34 am 
Getting Side Ways
Offline
User avatar

Age: 43

Posts: 2705

Joined: 6th Nov 2004

Gallery: 11 images

Ride: 2009 FG XR6 Sedan

Location: Melbourne
VIC, Australia

There are 2 types of x overs, active and passive. An active x over is fitted pre amplifier and passive is fitted post amplifier.
Majority of good home speaker systems use a passive x over, the main components beingof capacitors and chokes. The capacitors cut out the low frequencies and the chokes cut the high frequencies. Cheaper systems only use 1 bi polar capacitor meaning the woofer delivers low to mid high frequencies.
An active x over is superior as its easily tuned and supplies the amp only the frequencies required for the driver being used ( not like passive=distorted mid because of bass frequency clipping)
Instead of buying a new amp as suggested earlier, a far better option would be to install an active x over if the amps have been factory set at Flat. This means the sub amp can be delivered only low frequencies and the other amp for the 6x9's mid and high frequencies.
Top
 Profile  
 
 
Posted: Mon Jan 17, 2005 1:58 pm 
Getting Side Ways
Offline
User avatar

Age: 33

Posts: 657

Joined: 8th Nov 2004

Gallery: 1 images

Ride: BA XR6 Turbo

Location: Eastern Suburbs
VIC, Australia

i think the myth was a little twisted from the beginning. most people would say "don't bother mixing 6X9's with subs" and with chinese whispers it ended up becoming "you can't mix 6X9's with subs"

there's nothing wrong with it, its just that there's no real point.

6X9's and 7X10's are cheap-man subs :P if you cant afford subs, u get the biggest speaker you afford to run of ur HU.

 

_________________

2003 BA XR6T 5spd Manual PHANTOM
Custom Leather, 20" Kaotiks, Lowered, Exhaust, DVD System, BOV
Plenty more to come!

Member: Team Can't Stop The Doof Doof

Top
 Profile  
 
 
Posted: Mon Jan 17, 2005 3:15 pm 
ACT Cruise Moderator
Offline
User avatar

Age: 36

Posts: 6275

Joined: 24th Nov 2004

Ride: '06 BF GT-P

Power: 293 rwkw

Location: Canberra
ACT, Australia

aphexer wrote:
if you cant afford subs, u get the biggest speaker you afford to run of ur HU.


What you saying you can't run a pair of 15"'s of my 4x25W HU ??? :wink:

(not even if I add a 5F capacitor)

 

_________________

1998 DL LTD in Sparkling Burgundy, daily, 302W, stereo, slow - 97.5rwkw
2006 BF GT-P in Ego, mods. 293rwkw - 12.427@109 - 0-1000m 24.838@221

Top
 Profile  
 
 
Posted: Mon Jan 17, 2005 3:35 pm 
Stock as a Rock
Offline

Age: 34

Posts: 157

Joined: 10th Nov 2004

Ride: Falcon EL

Location: sydney
NSW, Australia

what?

Im running 4x12's off my deck....

 

_________________

Founder of Team "Snazz Factor High"

Proud member of "Team Can't Stop the Doof Doof"

'2nd Place at Summernats 2004' SQL 901+ Street Class

Top
 Profile  
 
 
Posted: Mon Jan 17, 2005 7:35 pm 
Getting Side Ways
Offline
User avatar

Age: 33

Posts: 657

Joined: 8th Nov 2004

Gallery: 1 images

Ride: BA XR6 Turbo

Location: Eastern Suburbs
VIC, Australia

yeh, 4 X 15" subs will work, just not very well :) unless you have a xplod headunit then they'll definately pump full sik

 

_________________

2003 BA XR6T 5spd Manual PHANTOM
Custom Leather, 20" Kaotiks, Lowered, Exhaust, DVD System, BOV
Plenty more to come!

Member: Team Can't Stop The Doof Doof

Top
 Profile  
 
 
Posted: Thu Jan 20, 2005 10:52 pm 
Stock as a Rock
Offline
User avatar

Age: 31

Posts: 107

Joined: 1st Dec 2004

Gallery: 1 images

Ride: ED futura

Location: Perth
WA, Australia

totally off the subject but.. my parcel shelf has been cut to fit my 6x9's... if and when i get a sticker for my cracked windscreen :( what do i hav to do to get it road worthey again?? im thinkn about putn a bit of carpeted mdf under neath them to cover the whole shamozzle up!

 

_________________

It puts the lotion on its skin.. or else it gets the hose again!

Top
 Profile  
 
 
Posted: Fri Jan 21, 2005 1:00 am 
ACT Cruise Moderator
Offline
User avatar

Age: 36

Posts: 6275

Joined: 24th Nov 2004

Ride: '06 BF GT-P

Power: 293 rwkw

Location: Canberra
ACT, Australia

NOCLAF wrote:
totally off the subject but.. my parcel shelf has been cut to fit my 6x9's... if and when i get a sticker for my cracked windscreen :( what do i hav to do to get it road worthey again?? im thinkn about putn a bit of carpeted mdf under neath them to cover the whole shamozzle up!


Hurry and get your windscreen fixed, then you won't get a ticket.

 

_________________

1998 DL LTD in Sparkling Burgundy, daily, 302W, stereo, slow - 97.5rwkw
2006 BF GT-P in Ego, mods. 293rwkw - 12.427@109 - 0-1000m 24.838@221

Top
 Profile  
 
 
Posted: Fri Jan 21, 2005 12:16 pm 
Fordmods Audio and Turbo Expert
Offline
User avatar

Age: 37

Posts: 2121

Joined: 14th Dec 2004

Ride: FG Turbo Territoty Ghia

Location: Traralgon
VIC, Australia

aphexer wrote:
..............there's nothing wrong with it, its just that there's no real point.
6X9's and 7X10's are cheap-man subs :P if you cant afford subs, u get the biggest speaker you afford to run of ur HU.


And there you have it.

I agree entirley. 6x9's aren't the best sounding speaker but they are a good compromise if you are not going to be running a sub.

If you will be running a sub and highpassing your rear fill at 80htz then there is not point in getting 6x9's however as rear fill you shouldn't notice any difference between them and 6"s because they should be quite anyway.

Ideally you would have rear fill banpassed between 500 - 3k in mono, so it does not draw the soudstage backwads.

In that case a good quality 4inch or 51/4 midrange driver would be ideal.

 

_________________


Pro Class
1st Super Tech - Summernats 2007
Australian SQ Champion - Am Show 2004
Australian SQ Champion – Pro Show 2006 & Best of Show
Ford Champion - Melbourne 2004 & 2006
451.5wkw - now SOLD

Top
 Profile  
 
Display posts from previous:
Sort by  
 Page 2 of 3  [ 31 posts ]  Go to page Previous  1, 2, 3  Next

Who is online

Users browsing this forum: No registered users and 5 guests


You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot post attachments in this forum

 

 

It is currently Tue Dec 12, 2017 6:45 am All times are UTC + 11 hours

 

 

(c)2014 Total Web Solutions Australia - Australian Web Hosting and Domain Names