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spudracer326
01-30-2006, 10:32 PM
I have a alpine cda 9855 and keep hearing about running active with it. How do I do this? I have a alpine type x components and am getting a kaption hc250.2 2 channel amp. Can I run Active with this setup, and as stated ubove how do I do this? I searched and couldent find a diy for this so I posted this. If I missed a thread that explains how to do this and someone could point me in the right direction, i would be more then greatful. thanks for any advice

Spudracer326

Chevyaudio
01-30-2006, 10:34 PM
you are going to need a 4 channel amp or another 2 channel amp to run active.

spudracer326
01-30-2006, 10:39 PM
oh:( that ***** thanks for the advice though. other then that how do I actually do this?

spudracer326
01-30-2006, 10:40 PM
is there a way to seperate my amp to 4 channels?

alphakenny1
01-30-2006, 10:41 PM
do a search, there are plenty of old threads that explain this exact subject. why dont you use the passive crossovers that came with the components?

spudracer326
01-30-2006, 10:43 PM
I ve been getting the impression that running active is better. Is this not true?.

alphakenny1
01-30-2006, 11:13 PM
well it all depends. if the person knows what he's doing, then potentially an active setup can be better because that person has knowledge of how well the speaker performs at certain frequencies. but if the person doesn't know what he's doing then he'll choose crossover pts and slopes that are completely bad for a speaker and hence the passive route for this particular invidiual would be better. IMO, its not hard running an active setup, you just need to know some basics first before doing it.

spudracer326
01-30-2006, 11:17 PM
cool thanks!!

slain93gsr
01-31-2006, 01:01 AM
you could power the tweeters from the front output of the 9855 and use the rear rca's for the 2 channel that would be used for the mids till you got another 2 channel or a single 4 channel.

I did this with my 9835 till I could find my 4 channel ppi.

DiamondFanatic
01-31-2006, 01:15 AM
The 9855 is pretty easy to get set up to run active. You can as was already pointed out run the tweets off of the internal IC and the mids off of th external amp until you have a 4 channel amplifier. Where are you in Oregon? I'm in Eugene and I would be happy to try and help you with your setup if you would like.

spudracer326
01-31-2006, 01:42 AM
im in salem, so not to far... thanks for all the input and offer to help, ill hit you up if i get stuck, still waiting on the amp to arrive...will 250rms be to much for each of the mids though?? I was worried about it being to much for the whole set. I was told by my friend at the shop i bought the speakers from that it wasnt to much for the type x components and it is all in the tune of the amp and head unit, is this true?

Chevyaudio
01-31-2006, 01:45 AM
honestly you could run the tweeters off of the internal amp. but i personally wouldnt do it strictly because the amps in HU's are less than to be desired as far as clean power goes. but as others said Search, Explaining an active setup would take to much energy and im tired.

DiamondFanatic
01-31-2006, 01:51 AM
im in salem, so not to far... thanks for all the input and offer to help, ill hit you up if i get stuck, still waiting on the amp to arrive...will 250rms be to much for each of the mids though?? I was worried about it being to much for the whole set. I was told by my friend at the shop i bought the speakers from that it wasnt to much for the type x components and it is all in the tune of the amp and head unit, is this true?
You might look for a small two channel amp then for the tweets. That will be a lot of power for your mids, you might want to gain them down a decent amount. Like I said though, any questions or if you're in the area drop me a line.

spudracer326
01-31-2006, 01:54 AM
cool thanks for the help, i appreciate it!!! :)

jmiller0526
01-31-2006, 02:23 AM
from personal expierence.....250 is WAY to much on sum type xs.......i run 75+ rms and its cutting it close
we have strickingly similar setups......9835, 6.5 type x's, 6x9 type rs and 1 type r 10"
i likle mine......

DiamondFanatic
01-31-2006, 02:25 AM
Just out of curiosity, how do you know that 75rms is cutting it close? I ran my hex's off of 150rms for a while, and they didn't seem to mind at all

spudracer326
01-31-2006, 02:52 AM
Im not to worried that rating is at 14.4 volts which isnt even close to my guestimated volts which is prolly around 12. From what ive heard as well is that it is mostly in the tune. Am I wrong?