Eclipse HU and Subwoofer SPL Woes

[vipervin 10+ year member]

Is it possible that the HU could be the cause for a lack of subwoofer output?

Story is... I am disappointed with the SPL factor of my sub-stage. I am running 600wrms on (2) 10" woofers (in sig) off Eclipse CD5423 HU. I could barely feel the bass hits and felt something had to be wrong.

I went on a shopping spree, and today installed (2) 10" Type-Rs and hooked it up to a JBL 1200.1 (1200 WRMS) amp. I set the gains for about 1000 wrms just so I don't kill my electrical.

Sadly, my setup was barely louder. I played a ton of music and they all sounded same as the old setup.

When I was setting the gains, my multimeter did read the correct voltage (45V for 1000wrms at 2ohms). I thought these numbers would not lie, but the SPL sounds same.

I am thinking now somehow my CD5423 is defective. Fooling my multimeter and bottlenecking my sub-stage. Is this even possible for HU or am I overlooking something?

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[ThatChevyGuy 5,000+ posts]

idk, but to make it a little louder, use a female to 2 male y splitters on your rca's and plug in all 4 rca jacks on your jbl. it almost doubles output //content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif

 

[vipervin 10+ year member]

idk, but to make it a little louder, use a female to 2 male y splitters on your rca's and plug in all 4 rca jacks on your jbl. it almost doubles output //content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif

i am going to give that a try.. i wish they mentioned this in the manual