Posted 04 August 2002 - 09:08 PM
Posted 04 August 2002 - 10:12 PM
More info would help me think differently
System Includes: Stuff - See pics for more info
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Posted 04 August 2002 - 10:22 PM
its dual 4ohhm coils.
so all u can really do is 1 channel into each coil. which will give u 100w into each coil.
wire the coils in parallel.
and run it off 1 channel. but this will only give u a total of 150w!!
Head Unit: KenWood KDC 2020
Fronts: Clarion SRR 1322
Rears: Phillips XH 1730
Sub: Clarion SRW 3041
Sub Amp: KenWood KAC 719
Posted 04 August 2002 - 10:24 PM
Posted 04 August 2002 - 10:42 PM
Originally posted by eKuL:
Im after one 12 inch, with a bit of kick
i am sure that those DVC subs will give u more than just a 'bit of kick' .. they go plenty hard.
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Posted 04 August 2002 - 11:58 PM
If it's the "end of the road", get a different sub to maximize you're amplifier's potential (a 4 ohm SVC model) and bridge those channels!!
If it's an intermediate step, maybe you can run the DVC sub of 2 of the channels (one per voice coil) for the time being, then buy a dedicated 2 channel amp to run what ever you've currently got running off the other two channels. Then you'll be getting the most out of that amp!!
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Posted 05 August 2002 - 12:57 AM
bear in mind only want to use 2 channels to run the sub.
Posted 05 August 2002 - 02:27 AM
Need something to compare it to.
will be doing that on the 16th, anyways.
if your not willing to run the amp bridged into 2*300, I think you might be better off with something like a venom or alpine S type SVC bridged to 300wrms. I do feel as if my sub is going to waste and planning to get a 4*100 to run the sub. 300wrms per coil.
just my 2Cents.
Headunit: Pioneer DEH-P7200 (missing face)
Temporary head: Sony CDX-CA690X
Amp: 2*150 response
Sub: Response Precision double magnet 12"
Speakers: Crap Sansui with Jaycar super tweeters.
Wiring: OLEX 4Ga
Fusing: AMP KING
Posted 05 August 2002 - 05:37 PM
for your amp, you will notice from the specs that it produces its best power when 2 channels are bridged (combined) and drive a 4ohm load. that is: 1x300WRMS into 4ohm bridged mono (from 2 channels).
taking the double magnet, it is dual voice coil (DVC) 4+4ohm. it can be wired differently, but only to offer:
*2ohm overall: wiring the VCs in parallel
*8ohm overall: wiring VCs in series
*dual 4ohm: wiring VCs to individual channels; no advantage over 8ohm run off bridged channels
relate this back to the amp. note that it is NOT 'stable' to drive 2ohm bridged mono; that is, the lower impedence demands more current flow (low resistance = more flow) which = heat. and the amp is not designed for this, so would either overheat/smoke or shut down into protection mode. realise too, that 2ohm bridged mono means each channel drives the equivalent of 1ohm; it thus should also make sense that 4ohm bridged mono means each channel drives 2ohm, and of course that amp is 2ohm (stereo) stable (per channel).
so you can see that the double magnet is not configurable for 4ohm mono. and running it as either 8ohm mono or dual 4ohm will only yield 200WRMS total on tap.
as suggested, perhaps consider a sub that can offer 4ohm (mono). given the price of the double magnet (RRP$289), you could consider stuff like:
*JL audio 12W0-4: ~$250, excellent value sub, SVC 4ohm version
*alpine SWS-1241 12": ~$200, another excellent value sub; 2001 model SWS-1240 may be cheaper if stock remains
*phoenix gold, hertz, etc
any of these subs, with 300WRMS on tap, will perform really well.
you should also consider what sorts of boxes they require to perform optimally (sealed or ported, size); feel free to ask if unsure. as this may narrow your choice.
[Edited 1 time by shiny_car on 05 August 2002 at 15:41]