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 Aftermarket Speakers???

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AA
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PostSubject: Re: Aftermarket Speakers???   Fri May 16, 2014 10:58 am

Whenever you replace the OEM midrange drivers with coaxial aftermarkets, the tweeter is included, and it is specifically designed and tuned to work with the mid. The OEM tweeter should therefore be disconnected. Leave it mounted in the door to seal the hole, but cut the leads.

The Infinity Reference sets are known for their efficiency, and with a 2-ohm rating they will pull a little more current from the factory head unit. However, keep in mind the OEM head unit's biggest fail is its power output, which is very low. These units might play a little louder, but the unit will still only put out what it is able. If you want to go any louder, add an outboard amplifier between the speaker output and your new speaker set. Even a small 30 watt x 2 amp will make a giant difference.

See this thread for more info on working with the stock head:

http://rivperformance.editboard.com/t602-faq-speaker-sub-amp-upgrades-with-factory-head-unit

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'98 SC Riviera • 268k miles • 298 HP/370 TQ • 0-60: 5.79s • ET: 13.97 @ 99.28 • 4087 lb • 20.1 avg MPG • Nelson Ledges Lap: 1:30
3.4" pulley • AL104 plugs • 180º t-stat • FWI w/K&N • 1.9:1 rockers • OR pushrods • LS6 valve springs • SLP headers • ZZP fuel rails
KYB GR2 struts • MaxAir shocks • Addco sway bars • UMI bushings • GM STB • Enkei 18" EV5s w/ Dunlop DZ101s • F-body calipers
EBC bluestuff/Hawk HP plus • SS lines • Brembo slotted discs • DHP tuned • Aeroforce • Hidden Hitch


'05 GTO • 49k miles • 0-60: 4.8s • 16.9 avg MPG • Nelson Ledges Lap: 1:26
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PostSubject: Re: Aftermarket Speakers???   Fri May 16, 2014 11:46 am

Understood on the Infinity's coaxial design. Will leave the OEM tweeter mounted, but disconnected.
Was still curious on the efficiency on the stock speakers? If they are in the mid 80 range it appears that I can attain 5-7db increase in volume. Not doubling at 10db, but for my tastes hoping this will be adequate. Will experiment with adjustable tweeter, and 3db switch. Looks like the price point is the same on Amazon and Ebay - will probably go with the first (better customer support). Many thanks for your time too Aaron !!!
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PostSubject: Re: Aftermarket Speakers???   Fri May 16, 2014 12:09 pm

It's hard to say what the OEM speakers' efficiency is. mid 80s is just a guess. The reason the Infinity drivers are more efficient is their 2-ohm impedance, which means they actually pull more current from the head. Question is, when you do this will the OEM head distort? Cut-out? Overheat? Or will it actually play significantly louder? Almost need to try them out to know the answer.

One thing I do expect is improved sound quality (freq range) from the Infinitys.

Looking forward to reading your results!

_________________
'98 SC Riviera • 268k miles • 298 HP/370 TQ • 0-60: 5.79s • ET: 13.97 @ 99.28 • 4087 lb • 20.1 avg MPG • Nelson Ledges Lap: 1:30
3.4" pulley • AL104 plugs • 180º t-stat • FWI w/K&N • 1.9:1 rockers • OR pushrods • LS6 valve springs • SLP headers • ZZP fuel rails
KYB GR2 struts • MaxAir shocks • Addco sway bars • UMI bushings • GM STB • Enkei 18" EV5s w/ Dunlop DZ101s • F-body calipers
EBC bluestuff/Hawk HP plus • SS lines • Brembo slotted discs • DHP tuned • Aeroforce • Hidden Hitch


'05 GTO • 49k miles • 0-60: 4.8s • 16.9 avg MPG • Nelson Ledges Lap: 1:26
Because fun
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PostSubject: Re: Aftermarket Speakers???   Sun May 18, 2014 5:16 pm

Well finally had free time to look further. Front covers were quite easy to remove, was gentle too.
Found that previous owner had already put in a set of Pioneer TS-A1357's. Not my first choice, but both seemed fine. Efficiency on these our 90db, so I will probably keep for now. The rear 6x9's are factory though so I will be replacing those. Not sure if it will be Infinity's or ??? I already have a decent small amp that  has speaker level inputs, will use that to drive the rears. Really do not want to tear apart the dash, and so far pleased with the OEM deck. Did put in cheap but effective alarm system, and a bright yellow club (great dual purpose item  hammer ). Waiting to receive the 1963 Riviera glove box emblem that I will repaint, and mount on the ashtray cover as well. "Alittle old with the new"  wink .................
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PostSubject: Re: Aftermarket Speakers???   Thu May 29, 2014 2:48 pm

I asked Crutchfield advisors for their recommendation for speaker upgrades. Criteria being:
1. use of existing receiver
2. no alteration of stock appearance
3. high end $ wise & sound wise.

They came back with:
                                "Helix Blue B69X rear @ 169.99 pr

                               
                                 "Polk Audio DXi521 fronts @ 74.99 pr



Along with speaker baffles @ 8.99 & 6.99.
Rear speakers if ordered include Metra 71-014c harness adaptor.

Haven't hit the order button yet, but thought I'd post Crutchfields recommendations according to my query stipulations


Last edited by Rivit on Fri Sep 01, 2017 10:19 pm; edited 1 time in total
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PostSubject: Re: Aftermarket Speakers???   Thu May 29, 2014 10:16 pm

they should be able to make very good recommendations.
That is the business they are in, I guess I always wonder if I got the "right guy" on the line when asking for info like that.
Hope if you get them you are pleased & it shows Crutchfield is worth consulting.
I bought some Polk Audio 6x9's in the late 80's that were awesome!

Good luck,
Jbird
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PostSubject: Re: Aftermarket Speakers???   Thu May 29, 2014 11:13 pm

Standing by to see results. In the market for speakers myself.
 popcorn 
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PostSubject: Re: Aftermarket Speakers???   Fri May 30, 2014 7:00 pm

Changed my mind about the Pioneers I had in front. Will reuse them in my 95 Roadmaster SW. Anyway UPS just delivered the Infinity 5032's. Just finished installing, and much more than pleased !!! Very crisp with surprising low end off factory receiver. More than enough volume for my elder tastes. Could even feel air movement on my legs from the drivers. Should be getting the rears tomorrow.
Total cost :
Infinity 5032CF 5.25 Amazon Warehouse $45.00
Infinity 9632CF 6x9     Ebay                    $50.00
Scosche wire adapter   Ebay                    $ 4.99
Total including all shipping                       $99.99   happy 

Will try and post some pics if I figure out how  shocked  .................
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PostSubject: Re: Aftermarket Speakers???   Fri May 30, 2014 7:18 pm



Still on a very slow learning curve ............

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PostSubject: Re: Aftermarket Speakers???   Fri May 30, 2014 7:58 pm

nice.
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PostSubject: Re: Aftermarket Speakers???   Sun Jun 01, 2014 9:33 am

Just put in the rear 6x9's Infinity 9632. Much more than pleased !!! Very satisfying volume at less than halfway with the factory deck. Even with my elder, large body  shocked   lots of room to move around in trunk. Plenty of room for the protruding tweeters, quick easy install with the adapters too. As always, many thanks to this forum and members  happy  ..............
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PostSubject: Re: Aftermarket Speakers???   Wed Jul 09, 2014 12:45 pm

On a factory deck, the amp output is set up to limit high frequency to rear speakers and limit low frequency to front . The only way to open up and use a new speaker system range is change the head unit itself .
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PostSubject: Re: Aftermarket Speakers???   Wed Jul 09, 2014 4:44 pm

To tell u the truth guys I'm happy with the stock sound hahaha....
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PostSubject: Re: Aftermarket Speakers???   Wed Jul 09, 2014 7:25 pm

dbriviera wrote:
On a factory deck, the amp output is set up to limit high frequency to rear speakers and limit low frequency to front . The only way to open up and use a new speaker system range is change the head unit itself.

It is one way, but not the only way. Quite a few of us have successfully driven power amps from the OEM head. There is more bass extension sent to the front channels than my separates can handle. There is no need to send extreme high frequencies to the rear of the car.

_________________
'98 SC Riviera • 268k miles • 298 HP/370 TQ • 0-60: 5.79s • ET: 13.97 @ 99.28 • 4087 lb • 20.1 avg MPG • Nelson Ledges Lap: 1:30
3.4" pulley • AL104 plugs • 180º t-stat • FWI w/K&N • 1.9:1 rockers • OR pushrods • LS6 valve springs • SLP headers • ZZP fuel rails
KYB GR2 struts • MaxAir shocks • Addco sway bars • UMI bushings • GM STB • Enkei 18" EV5s w/ Dunlop DZ101s • F-body calipers
EBC bluestuff/Hawk HP plus • SS lines • Brembo slotted discs • DHP tuned • Aeroforce • Hidden Hitch


'05 GTO • 49k miles • 0-60: 4.8s • 16.9 avg MPG • Nelson Ledges Lap: 1:26
Because fun
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http://www.cardomain.com/ride/657082/4
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PostSubject: Re: Aftermarket Speakers???   Wed Jul 09, 2014 9:42 pm

stan wrote:
To tell u the truth guys I'm happy with the stock sound hahaha....
Stan, you are stock everything  rolleyes 
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PostSubject: Re: Aftermarket Speakers???   Wed Jul 09, 2014 10:05 pm

No Charlie.......really.....I like the stock sound ....haha.The bass is deep enough for me ,of course it's not perfect but I'm cool with it.
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