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Sq help!

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Ricer
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Sq help!

Postby Premier Marketing » August 7th, 2023, 12:13 am

I'm looking to do a simple sq build but I'm very limited on alternator power and amplifier channels.

Amplifier is a 5 channel audison and I have a helix dsp.3s, and we'll so far a jbl shallow sub.
Having 2 way components I've found myself leaning towards having a 3 way component for quite some time now but on doing reviews and reading I see myself facing some challenges especially with speaker distance and the limited channels I have. Adding a next amplifier is a definite no due to space and other equipment in the car.

Having 2 way comps I've always felt like I've been missing the vocal range of things if I have to guess I would say from around 300hz or so up 4khz give or take so I'll always see myself trying to eq something to get it to sound ok ish but never had much luck hense why I would like to have a 3 way set up front or something that would help!

So the question I would like to ask is that would it be advisable to use a pair of 3 way components up front and use the supplied passive crossover or would it be better to use a midbass driver and a wideband driver let's say 2.5-3 inch in size actively? Or use midrange/wideband driver with a tweeter and have a passive on them while keep the midbass active?

For further info midbass speakers cannot fit in the kick panel due to wiring so will be keeping them in the doors

Distance measured to driver headrest for speakers are
Sails 44inches on driver, 55inches on passenger
A pillar is the same
Doors are the same as well
Kick panel 56 inches in driver side and 63 inches on passenger side.

I would like to get some advice before I buy anything. Thanks

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Rovin
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Re: Sq help!

Postby Rovin » August 8th, 2023, 11:48 am

long time on d good ol days of tuner u would have gotten at least 10 replies by now

ideally 6 chans on 6 speakers but obviously cant get 6 speakers from 4 chans to properly run active thru a dsp so u either use d passives it came with or get a small size low wattage 2 chan to power d tweets & use d 4 chans from d audison ... or deck power on tweets with some condensers\resisters & use 4 channel on 3" mids & 6.5"

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SR
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Re: Sq help!

Postby SR » August 9th, 2023, 12:38 pm

With a 5 channel amp you can go 2 way active on the front and a sub using the processing from the dsp.

Gladiator
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Re: Sq help!

Postby Gladiator » August 9th, 2023, 9:05 pm

If the tweeter and the midrange (wideband) are mounted close to each other you can use a passive crossover on those and save the other channel for the dedicated midbass. I think that would be your best option.

So get a good 2 way component set (3" and tweeter) with a well built passive crossover, mount them close to each other and get a dedicated mid bass and you good to go.

In my past experience the 3 way component sets with passives don't cut it due to the restrictions in mounting positions.

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Ricer
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Joined: April 16th, 2017, 8:23 pm

Re: Sq help!

Postby Premier Marketing » August 9th, 2023, 10:43 pm

So today i had the opportunity to listen to a pair or morel virtus 603 comps powered by a 2 dls cc2 2 channels ( 1 amp per side bridged and passives were used. sub was a mb quart premium 12 from 12 years ago powered by another dls mono. headunit was a 880prs.All i had to say to be honest was dam! tweet and midrange was close to each other angle up abit while midbass was in the kickpanel . Im not a expert or anything but EVERYTHING sounded like it was coming from the center or the dashboard. thinking my ear would have picked up the music to a point where i could located the speaker but nothing. From trance to 80s it sounded beyond what ive ever heard ever since i started going to IASCA sq events back in 2008. Only cds was played too.

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altec
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Re: Sq help!

Postby altec » August 28th, 2023, 9:20 pm

If tweeter and mid range are close you can use a passive, and use the distance to the mids for time alignment. Was actually planning to try this to free up a pair of channels on the Helix dsp but then my score went up :D .

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