13w7 Distorting???

fjolivofjolivo Posts: 5
edited April 2010 in Car Subwoofer Talk
My system:
4runner
Pioneer avh 6050dvd Head unit
1 Polk Audio sr 6500 (getting the other pair probably)
2 JL Audio 13w7
1 Alpine pdx 1.1000 (hooked to 1 sub, getting another amp of this)
1 Apline pdx 4.150

The subwoofers sound pretty nice but... When I need it to be loud it produces some kind of weird noise (not in every song). Ive been researching and it is maybe because of the poor signal strenght... the head unit is pretty nice, it has 4v preamp, but the RCAs are 7meters long and ive been thinking that there must be the problem... If there is... What should I do? a buy a subwoofer processor? like the Soundstream Bx-20z? or the Powerbass Xba-2? or the kicker KQ30? all of them increase the preamp power (In case that it is what Im needing) I want SQ and some strong bass... If there is anything you know about how to improove the SQ, please let me know, my speakers signal might have the same problem even when they arent distorting much...

Thanks for the help...
Post edited by fjolivo on

Comments

  • DSkipDSkip Posts: 15,257
    edited April 2010
    Set the gains properly like I mentioned in your other thread. I think thats the bulk of your problems right now.
    audiothesis.com/

    Speakers: Harbeth: 30.2, SHL5+; Usher: Be-10, T-515; Rosso Fiorentino: Elba, Pienza, Certaldo, Fiesole, Volterra; Polk: T50, Signature S15, RTA 15tl, RTi12; Sonner Audio Allegro Unum, Legato Unum, Legato Semis, Legato Duo; Emerald Physics CS-2.8; Klipsch KLF-20
    Preamps: Shuguang S200MK, Dayens Ampino, Parasound P5
    Amps: Shuguang S845MK, Dayens Ampino Monoblocks, Parasound A23
    Integrateds: Triode Corporation TRV-88SER, MastersounD: BoX, Dueventi, Compact 845, Evolution 845; North Star Design Blue Diamond
    Sources: AURALiC Aries, Denon HEOS Link, North Star Design: Magnifico, Supremo, Incanto, Intenso, Venti
    Cabling: Wireworld
    TV: Sony XBR-75X940C
  • hc_416hc_416 Posts: 30
    edited April 2010
    its the pdx. I have the exect same amp and it just won't run right. I bouth the pdx and to alpine type x ran off a alpine 9887. It just doesn't like to work. THe amp was shipped with the wrong fuse's check them first they should be 25's not 20. If you can get the pdx to work right it is great, but its very fickle and just not worth the time. hell i will sell you mine if you are instresed.
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