amp choices

Thunderdome · Post by **Thunderdome** » Wed Feb 11, 2009 3:51 pm

Hi could someone give me any suggestions for the perfect amp or 2 to power 4 rsdc104 subs in a sealed box I,m using my hcca 2100 on 2 pairs of mb quarts 5.25 up front but not to sure what to match with these subs from reading posts I believe there pretty good subs, oldschool or new doesn,t matter i,m not scared by oldschool quality gear any suggestions greatly appreciated.

Post by **stipud** » Wed Feb 11, 2009 4:39 pm

With 4 subs and one amp, that puts you at either a 0.5 ohm or 2 ohm load. Those subs perform best with over 600w a pop, but you can easily go as low as 150 if you want.

So a modern 2 ohm optimized amp with 600-2500 watts would do the trick. Good 0.5 ohm stable amps are few and far between nowadays, but you might find yourself an old HCCA that fits the bill

Thunderdome · Post by **Thunderdome** » Wed Feb 11, 2009 5:14 pm

which newer amps would you look at? I was thinking of using my mps2500 that would rate 505 per side but want to use it with my other phoenix gear for a killer install in my summer car this spring I want to keep sound quality as well as spl and if I have to lose somewhere I would rather give up some cash and keep both

thedeal7235 · Post by **thedeal7235** » Wed Feb 11, 2009 5:51 pm

why not just get the rsd 1200.1? teamradrz has 1 brand new in box ithink?, and if not, there are a few places on the bay, new between the 260-300 range-i use one on my 2rsdc2ohm 10s and luv 'it-just my opinion-

twisted · Post by **twisted** » Wed Feb 11, 2009 8:09 pm

i would use the hcca 2100 on the subs and find a hcca250r for the quarts

Mackenzie · Post by **Mackenzie** » Wed Feb 11, 2009 9:33 pm

the exile 2400.1 will run at .5 ohms, and will do 1800 at 2 ohms aswell. Been there, tested that

Thunderdome · Post by **Thunderdome** » Wed Feb 11, 2009 9:55 pm

pardon my ignorance but these d class were just coming in when I stopped competing so I don,t know much about them do they really put out these output numbers? IE 1800 watts and is it comparable to the old ms series for sound quality and depth?

Mackenzie · Post by **Mackenzie** » Wed Feb 11, 2009 10:14 pm

Yes, they will make the power no problem, and do it much more efficientlly than class ab amps.. That is why class d amps got so popular. Much smaller, and more efficient, although many still swear by ab for sq purposes. Class ds are no slouch though.

Mackenzie · Post by **Mackenzie** » Wed Feb 11, 2009 10:15 pm

I sometimes wonder if the xenon 1200.1 was class ab

Its entirely to big for the power it makes in this period of time.

thedeal7235 · Post by **thedeal7235** » Wed Feb 11, 2009 10:28 pm

well, i cant bypass the rsd1200.1 internal 18db/octave crossover, however i do send a 24db/octave signal to it, its alot clearer/cleaner that way to me, and it hits phenominally well imho(supposedly the designer-i belive -of the old ms-had a hand in designing the rsd-but some1 correct me if im wrong?), and i am of the old skool, imho, i think the old zx series was the best, however, ive never had the m, ms series in any of my vehicles-heard lots of them, internally they appear similiar, but i know alot of the phorum members will buy old ms, and put new caps etc. in them, and im sure one day ill be in a posistion to p/up some old ms gear!!??

Thunderdome · Post by **Thunderdome** » Thu Feb 12, 2009 9:51 am

Hmmm I am going to have to look up some old freinds to see if anyone has some of this stuff I could listen to and yes the old ms stuff was excellent as well the mps series I used to run 4 12inch xs series subs in a sealed box off a single mps2500 in a 84 rx7 stock 75amp alternator 2-1 farad caps and I could achieve 141.7 db

not sure how that rates nowadays but it was pretty good back then

Thunderdome · Post by **Thunderdome** » Thu Feb 12, 2009 2:32 pm

say does anyone know much about the zpa 0.5 amps I just located one locally for 600 canadian which is like 5 bucks U.S. not really around 475 do you think this would be a good deal and do the job?

Post by **kg1961** » Thu Feb 12, 2009 2:38 pm

just be careful that it is working in top shape
remeber you will need a line drive also
I have a minty .03 black v2 I will let go for alot less?

Thunderdome · Post by **Thunderdome** » Thu Feb 12, 2009 2:50 pm

I use a linear power pa1 in line same as a pa11 5v pre out with switchable input, thanks for the offer but I,d rather go bigger on the amp or I may have to add another to reach the spl I,m looking for

edit: now if someone wants to part with a ms 1000

Post by **kg1961** » Thu Feb 12, 2009 2:54 pm

the zpa amp NEED 8 volt. if you don't don't buy the amp
the hcca gen 1-2-3-4 will do it but they get hot!!!
no problem I have seen .03 hit 800 watt rms

amp choices

amp choices

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