Help me find a DVC 2+2Ohm Sub

Hello,

I am looking for a DVC sub that need will work well with my 2 channel RF 800a2.  Also, it needs to meet these criteria: 1) DVC 2+2 oms so I can bridge the amp to momo and run 4 ohms.  2) is a 10 inch sub, 3) will work well in a small enclosure...sealed and .76 cubic inches gross internal volume. 

So far..the only thing I found that will do all that is an Alpine type S. 

However...there has to be something thats a bit better than a type S. 

Thanks,

-a

DYohn] wrote:

---

o you want testicle-crushing SPL, or high sound quality? 

---

This one goes into my list of memorable quotes  :)

I like it too. If only I could be the Don Cherry of the car audio world......

I'm selling an Orin H2 12.2 sub, But its 12" sub, I only requires .5 cu ft for max output plus what the sub displacement so about between .80 and 1.0 total cu ft would work.

DYohn] wrote:

---

oofer choice depends entirely on what you want out of it.  Do you want testicle-crushing SPL, or high sound quality?  What kind of music do you listen to?  What are your main speakers and where are they crossed over?  Think about the system you want to build and don't fixate on the subs.  Too many people do that and then they wonder why they only hear bass or they blow out their mains trying to keep up with the "killer" subs they bought...

---

I got Boston Acoustic's up front and Kappas in the back - running of a seperate 4 channel amp. 

I got the RF 800a2 for the sub...but need to find the best woofer for it.  Also...I got a woman to do the testicle crushing...so I'm looking for SQ. 

You posted this question in another thread on May 2, and DYohn suggested "If what you are looking for is better SQ than you have now, forget about JL altogether and listen to a JBL W10GTi, a Nakamichi SP-W1000D, an Eclipse Titanium SW9102, or a Planet V10D."  

Then forbidden "I would choose a dvc 4 ohm sub and wire it up in series. This will make it an 8 ohm sub and knock the amps power back to something reasonable so that you can actually listen to the music. The JL is a good sub, personally I would head in the direction of one Eclipse Aluminum SW8102dvc and build the proper 1.25 cu.ft sealed enclosure for it and play away to your hearts content."

Have you listened to these yet and if so are they eliminated?  And, as asked before me, why the dual 2 ohm option, when it will only give you 4 ohms anyway?

stevdart wrote:

---

You posted this question in another thread on May 2, and DYohn suggested "If what you are looking for is better SQ than you have now, forget about JL altogether and listen to a JBL W10GTi, a Nakamichi SP-W1000D, an Eclipse Titanium SW9102, or a Planet V10D."  

Then forbidden "I would choose a dvc 4 ohm sub and wire it up in series. This will make it an 8 ohm sub and knock the amps power back to something reasonable so that you can actually listen to the music. The JL is a good sub, personally I would head in the direction of one Eclipse Aluminum SW8102dvc and build the proper 1.25 cu.ft sealed enclosure for it and play away to your hearts content."

Have you listened to these yet and if so are they eliminated?  And, as asked before me, why the dual 2 ohm option, when it will only give you 4 ohms anyway?

---

Well.  This is what my efforts for the past 10 days have reveald:  That my amp (an older RF 800a2) being a two channel amp is "happiest" at 4 Ohm's bridged.  This information I obtained from RF's online knowledgebases.  The only way I can think of getting good power to a single 10" sub at 4 ohms is to do it with a 2+2 ohm DVC.  The next problem that I am encountering is the enclosure limitation.  The Eclipse needs more breathing room than I have to give (1.25???)  I need a sub that will be happy in a smaller enclosure = .76 cubic feet.   I suppose a 4+4 ohm sub can be wired to 8 Ohms...but I have no clue how that will sound.  I dont think my RF amp can be bridged to 2 ohms as I have heard (and it says so on the RF knowledge base) that the amp will overheat. 

To respond to the comment about listening to the other subs...well that is just an impossibility for me considering where I live.  Here is CT, there are only a handfull of local shops, and most of them dont carry JBL or Nakamichi.  Only one shop carries Eclipse, and he only has 12's on the shelf. 

I guess I just dont understand wiring and bridging well enough...which is why I'm here asking questions. 

hey the aluminum sub will work in that .76 box i have the specs here if you want ill email it to you.........

email me at luissegovia@earthlink.net

Ketel22 Silver Member Joined: August 23, 2003 Location: United States Posts: 750

Posted: May 04, 2004 at 8:14 PM - IP Logged as far as the impedences of the sub they were thinking maybe a single 4ohm vc instead of the dual 2ohms ___________________________________________ Sound is not a hobby its a way of life.

Who's sub you referring to?

A dual 2 ohm sub would be beneficial to someone using a multiple-speaker arrangement and want to present a different load on the amp than multiple 4 ohm speakers would provide.  The same is true for dual 4 ohm speakers.  Look at this Rockford site for a good wiring tool  https://www.rockfordfosgate.com/rftech/wiringwizard.asp

You are using one sub at 4 ohms.  It will be bridged at 4 ohms.  You don't need to limit your search to dual-voice coil subs.  I'm sure some other speaker suggestions are forthcoming, but if you can't hear...then I guess you'll be making a judgement on the merits of the testimonial.  (gregfocker wants to sell you his)

Yes I want to sell them but they would work with what he has you can wire both subs and present 4ohm load to the amp like he wants.

And the sub will work with that box.....I have spec. sheet to prove it........

If that amp is 800 watts rms at 4 ohms mono which I think it is, then the 8 ohm load would see about 4oo watts rms. Also the higher load would give the amp the chance to produce cleaner power by lowering the THD and hence helping in your quest for sq

Ravendarat wrote:

---

If that amp is 800 watts rms at 4 ohms mono which I think it is, then the 8 ohm load would see about 4oo watts rms. Also the higher load would give the amp the chance to produce cleaner power by lowering the THD and hence helping in your quest for sq

---

Ok...that sounds like a good wattage for me.  So now I am looking for a sub to fit that profile?  Alpine Type R?  The Eclipse?  MQ Quart? 

forbidden wrote:

---

I stand by my recommendation to get a dvc 4 ohm sub, wire it in series to an 8 ohm load thus knocking back the amp power to a minimum of 400w rms and let it fly. You cannot miss with either the recommended Diamond or Eclipse subs that we have mentioned.

---

Thank you all for your patience and help.  I am going to take this recomendation...and am in the process of trying to figure out which of the two abovementioned subs will work better in my enclusure.  I am having a bit of trouble getting hard data on what internal volumes the Eclipse likes best.  Also, I was thinking the M6 Diamond will be better than the M3 that was posted above.  Also, anybody have any leads for an M5???

Thanks,

-a

Since I suggested the Diamond I'll throw my bits in and duck out.  The M6 seems to tend toward a higher wattage than the CM3.  It looks like it wants to be at from 800 down to 600 watts.  The 3 would be full of juice with 400-500 watts.  To keep in line with the rest of your system, I would go with the 3 even though the 6 is a more substantial subwoofer.

And I like the little half-moon shaped thingie on the Diamonds...

www.imagedynamicsusa.com      - just check it out. Dollar for dollar i haven't been happier. The Q-series will work in sealed enclosures from .25 to .5 cu. ft. and they handle 250W rms each, so it wouldn't take very much room to put 2 of them in, and your amp is just about right if you get 2 2-ohm dvc subs and wire all together in parallel you'd get your 8 ohm load.

forbidden wrote:

---

No replacement for displacement..

---