help on sub setup - The 1947 - Present Chevrolet & GMC Truck Message Board Network

oldblue72c10 · 11-26-2011, 09:55 PM

I just ordered my starter system, Its the kicker comp 10" in the kicker truck box, my temporary amp is a old jensen 100wx2, im gonna bridge it, the sub is a 4ohm so will the amp work?

Chevy1TonFun · 11-27-2011, 01:55 PM

Does the sub have a single or dual voice coil?
Posted via Mobile Device

oldblue72c10 · 11-27-2011, 10:04 PM

Kicker - 10" Single-Voice-Coil 4-Ohm Subwoofer with Enclosure

Chevy1TonFun · 11-27-2011, 10:33 PM

What is the amp model? What are the specs at bridged: 200watts at 2ohms, 100 at 4 ohms?

oldblue72c10 · 11-28-2011, 02:02 AM

jensen alx2000, Jensen ALX2000 Stereo amp 100w x2 Mosfet power Low pass crossover

Chad215 · 11-28-2011, 05:29 PM

Yes, by bridging the amp, you're just using the signal from both channels. The amp is still seeing the 4 ohms from the speaker.

I can't find much info on the amp, but if it is listed as 100x2 , that is probably the max rating at 14.4 volts. Assuming a typical setup, and just from the info given, you're looking at getting ~100 watts to the sub. That will be more than enough to hear some bass.

Hook it up, see what happens. Start out with low gain, check for overheating from the amp and distortion from the sub.

oldblue72c10 · 11-28-2011, 08:11 PM

Thanks, yeah the amp is a classic lol, i traded some speakers to my friends dad haha, ive had it hooked up to a alpine 12" and it did pretty decent, i just wanted to ask around before throwing it on a new sub, thanks

Pillow · 12-02-2011, 05:04 PM

The effective Ohms load to the amp will be 2 Ohms when bridging the output channels.

I think you will be fine, just make sure the amp does not overheat and is properly grounded and fused.

FWIW Class D mono amps have gone down in price so much over the last few years that loads of WRMS is cheap these days for dedicated subwoofer duty.

11-26-2011, 09:55 PM	#1
oldblue72c10 LIGHT' EM UP!!!!!!!!!! Join Date: Nov 2009 Location: Collinsville Oklahoma Posts: 243	help on sub setup I just ordered my starter system, Its the kicker comp 10" in the kicker truck box, my temporary amp is a old jensen 100wx2, im gonna bridge it, the sub is a 4ohm so will the amp work? __________________ BONDO IS YOUR FRIEND WOULD YOU EVER USE YOUR FRIEND 1972 custom 10 longbed current 360 building a racing 355

11-27-2011, 01:55 PM	#2
Chevy1TonFun Grease Monkey Join Date: Oct 2007 Location: Fresno CA Posts: 750	Re: help on sub setup Does the sub have a single or dual voice coil? Posted via Mobile Device __________________ Tow Rig: 2012 Chevy 2500HD CCSB LTZ Z71 4x4 Duramax Ultimate Offroad Build: 1978 Chevy Silverado K30 Crewcab Build Link http://67-72chevytrucks.com/vboard/s...d.php?t=654053 Mud Truck: 1972 Chevy Cheyenne K30 4x4, 468/400/205, D60/D70HD, 18" Custom Lift, 17x39" IROKs FOR SALE http://67-72chevytrucks.com/vboard/c...ton-4x4&cat=12

11-27-2011, 10:04 PM	#3
oldblue72c10 LIGHT' EM UP!!!!!!!!!! Join Date: Nov 2009 Location: Collinsville Oklahoma Posts: 243	Re: help on sub setup Kicker - 10" Single-Voice-Coil 4-Ohm Subwoofer with Enclosure __________________ BONDO IS YOUR FRIEND WOULD YOU EVER USE YOUR FRIEND 1972 custom 10 longbed current 360 building a racing 355

11-27-2011, 10:33 PM	#4
Chevy1TonFun Grease Monkey Join Date: Oct 2007 Location: Fresno CA Posts: 750	Re: help on sub setup What is the amp model? What are the specs at bridged: 200watts at 2ohms, 100 at 4 ohms? __________________ Tow Rig: 2012 Chevy 2500HD CCSB LTZ Z71 4x4 Duramax Ultimate Offroad Build: 1978 Chevy Silverado K30 Crewcab Build Link http://67-72chevytrucks.com/vboard/s...d.php?t=654053 Mud Truck: 1972 Chevy Cheyenne K30 4x4, 468/400/205, D60/D70HD, 18" Custom Lift, 17x39" IROKs FOR SALE http://67-72chevytrucks.com/vboard/c...ton-4x4&cat=12

11-28-2011, 02:02 AM	#5
oldblue72c10 LIGHT' EM UP!!!!!!!!!! Join Date: Nov 2009 Location: Collinsville Oklahoma Posts: 243	Re: help on sub setup jensen alx2000, Jensen ALX2000 Stereo amp 100w x2 Mosfet power Low pass crossover __________________ BONDO IS YOUR FRIEND WOULD YOU EVER USE YOUR FRIEND 1972 custom 10 longbed current 360 building a racing 355

11-28-2011, 05:29 PM	#6
Chad215 Registered User Join Date: Sep 2011 Location: Cypress, TX Posts: 148	Re: help on sub setup Yes, by bridging the amp, you're just using the signal from both channels. The amp is still seeing the 4 ohms from the speaker. I can't find much info on the amp, but if it is listed as 100x2 , that is probably the max rating at 14.4 volts. Assuming a typical setup, and just from the info given, you're looking at getting ~100 watts to the sub. That will be more than enough to hear some bass. Hook it up, see what happens. Start out with low gain, check for overheating from the amp and distortion from the sub. __________________ '64 GMC in progress http://67-72chevytrucks.com/vboard/s...d.php?t=484861

11-28-2011, 08:11 PM	#7
oldblue72c10 LIGHT' EM UP!!!!!!!!!! Join Date: Nov 2009 Location: Collinsville Oklahoma Posts: 243	Re: help on sub setup Thanks, yeah the amp is a classic lol, i traded some speakers to my friends dad haha, ive had it hooked up to a alpine 12" and it did pretty decent, i just wanted to ask around before throwing it on a new sub, thanks __________________ BONDO IS YOUR FRIEND WOULD YOU EVER USE YOUR FRIEND 1972 custom 10 longbed current 360 building a racing 355

12-02-2011, 05:04 PM	#8
Pillow Registered User Join Date: Apr 2006 Location: Warrenton VA Posts: 144	Re: help on sub setup The effective Ohms load to the amp will be 2 Ohms when bridging the output channels. I think you will be fine, just make sure the amp does not overheat and is properly grounded and fused. FWIW Class D mono amps have gone down in price so much over the last few years that loads of WRMS is cheap these days for dedicated subwoofer duty. __________________ '71 C-10 with 5.3 LS2 cam & NWC T5 - Patina King! '83 Jeep Cherokee w 5.3 LS9 cam & SM465 NP208 swap in progress '92 Volvo 960 wagon w 5.3 LS7 cam & WC T5 swap in progress '79 Porsche 911 SC '48 Spartan Mansion 30' travel trailer '10 Porsche Cayenne S - Daily



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