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Opti 4001D .5 ohm Dyno?


ShadeTreeMechanic

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Posted

Amp set to full and crossed 100hz hpf on HU

c-pillar flat wall 157.11db on music

2 crossfire 8k

4 NSV3 18s

4 crescendo 10s

4 Rockford pro 6.5s

Quad excessive amperage 350alts

4 juicebox 3100s

Posted

Thanks Guys! Unfortunately I don't know anyone in my area that is into this stuff (there are people i just don't know them) and I have been learning a lot on this forum!

91 C350 Centurion conversion ( Four Door One Ton Bronco)

250A Alternator (Second Alternator Coming Soon)

G65 AGM Up Front  / Two G31 AGM in Back

Pioneer 80PRS

CT Sounds AT125.2 / CT Sounds 6.5 Strato Pro component Front Stage

CT Sounds AT125.2 / Lanzar Pro 8" coax w/compression horn tweeter Rear Fill

FSD 5000D 1/2 ohm (SoundQubed 7k Coming Soon)

Two HDS315 Four Qubes Each 34hz (Two HDC3.118 and New Box Coming Soon)

Posted

I have to tell you, that there are certain brands of pro audio drivers that sound warmer than others, the crescendos sound warm, the mids atleast.

i bought some carbon fiber audio pipe pro drivers and they sounded unreal, I am sad they are not made anymore.

 

DB DRAG PSYCHLONE PRO 156.3 30 SECOND AVERAGE FO MAX AT 26HZ

LEGAL DASH DRIVER DOOR OPEN 158.0@30 HZ

MY BEST SO FAR, HOPEFULLY A 160 COME FEBUARY.

156.9@26hz  158.0@30hz

Posted

I have to tell you, that there are certain brands of pro audio drivers that sound warmer than others, the crescendos sound warm, the mids atleast.

i bought some carbon fiber audio pipe pro drivers and they sounded unreal, I am sad they are not made anymore.

I saw somewhere that the Opti pro mids with yellow cones were good. Someone was replacing their 8 or 10 something crescendo mids with them.

I was thinking of the Polk MM6.5 set because i have had Polk separates back in the day. How do you think the crescendos would compare to these sound wise?

91 C350 Centurion conversion ( Four Door One Ton Bronco)

250A Alternator (Second Alternator Coming Soon)

G65 AGM Up Front  / Two G31 AGM in Back

Pioneer 80PRS

CT Sounds AT125.2 / CT Sounds 6.5 Strato Pro component Front Stage

CT Sounds AT125.2 / Lanzar Pro 8" coax w/compression horn tweeter Rear Fill

FSD 5000D 1/2 ohm (SoundQubed 7k Coming Soon)

Two HDS315 Four Qubes Each 34hz (Two HDC3.118 and New Box Coming Soon)

Posted

its impossible to compare and I will tell you why, the polk had passive crossovers that utilized 3rd order filters on the high and low pass that perfectly divided the frequencies,

pro audio speakers usually dont use filters, you can do it electronically but you will need atleast a 31 band eq to play with all the peaks and dips. Pro audio drivers usually are louder but rarely sound better than good components. I would use pro mids but I would not use pro tweetersif I really cared about listening to my music.

 

DB DRAG PSYCHLONE PRO 156.3 30 SECOND AVERAGE FO MAX AT 26HZ

LEGAL DASH DRIVER DOOR OPEN 158.0@30 HZ

MY BEST SO FAR, HOPEFULLY A 160 COME FEBUARY.

156.9@26hz  158.0@30hz

Posted

are you sure the other cars didnt have tweeters that were the culprits?

 

DB DRAG PSYCHLONE PRO 156.3 30 SECOND AVERAGE FO MAX AT 26HZ

LEGAL DASH DRIVER DOOR OPEN 158.0@30 HZ

MY BEST SO FAR, HOPEFULLY A 160 COME FEBUARY.

156.9@26hz  158.0@30hz

Posted

are you sure the other cars didnt have tweeters that were the culprits?

welp... i, im assuming it was the nendo's in the doors that sounded like complete shit. But......

not a fan of super tweets either .but....... preeeetty sure the nendo's sounded like ass......

Never sat in a rig with nendo's in the doors that i didnt go "wow man, they are loud...." Get out and go, "jesus"

Your "warm" sound ? Ya, i dont feel that at all. Cant they "get the job done" sure... but, warm? lol, never ever heard anyone say that before from any pa, let alone a 28$ nendo anything.

Posted

the nendo's I have heard have had coils put on the mid ranges to prevent from trying to play to high where they have no business. So I am bit jaded. there are very few if any pa speaker that can sound good without a choke on the high freqs.

 

DB DRAG PSYCHLONE PRO 156.3 30 SECOND AVERAGE FO MAX AT 26HZ

LEGAL DASH DRIVER DOOR OPEN 158.0@30 HZ

MY BEST SO FAR, HOPEFULLY A 160 COME FEBUARY.

156.9@26hz  158.0@30hz

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