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who expert in ice please help me....help help...

Discussion in 'ICE' started by acidcoller, Apr 5, 2006.

  1. appleyard

    appleyard Senior Member
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    Gain is NOT a volume knob. a gain is simply a matching level of your speaker. E.g If you set your gain for your sub higher than your component than your sub wil be louder than your component means your sound is not balance.

    Amplifier output it not based on what voltage alone but also current supply. If you run in high voltage but low current draw then your amp will give low output.

    E.g let say 2 cars are has an amp that run on 14.4v. Car A use 8 gauge power cables and car B runs with 0/1 gauge. Which car amp's has higher current draw and power output??

    I suggest you read more before making your own conclusion as it might mislead those new to ICE and want to learn.

    cheers
     
  2. acidcoller

    acidcoller Senior Member
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    so..
    better we buy the pirate product lar...??
    this true...???
     
  3. oldskolboyz

    oldskolboyz Senior Member
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    hope you can read this.. www.teamrocs.com/technical/pages/gains.htm .. the voodo lie around us.. I'm not 1 off the ppl inside that group.. are you?
     
    #43 oldskolboyz, May 16, 2006
    Last edited: May 16, 2006
  4. kyheng

    kyheng Senior Member
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    Not really, even the amp is made in China(US brand) is still better than pirated/imatation. Only I don't like is that US company make more money, just imagine they make the amp in China for 200, but they sell to end user at 3000. 1 thing we must know that all the eletronic component when buy in bulk will be dirt cheap, sometimes maybe few cents per piece.

    Relax, my friends(Oldskolboyz and appleyard), both of you are right on the gain settings, only some amp is like this and some are not. Based on the Oldskolboyz's website, it is a volume control. But on bcae.com it does not mean like this, even Rockford Fosgate and Lightning Audio also say it is not. So this means both also right as who make the amp will know it the best. But if we can use the calculator provided in bcae.com, then few conclusion can be made. Eclispe HU(8v pre-out) is a waste as the HU volume can go upto 49% with the amp(LA) gain setting at max(4v).
     
    #44 kyheng, May 16, 2006
    Last edited: May 16, 2006
  5. oldskolboyz

    oldskolboyz Senior Member
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    Last time also I tot Gain Control.. when ppl asking I said Gain control.. some stuff call it Gain Or Level Adj Knob & come with 2 rate Volt or Db.. before ppl argue Why in Db coz I'm refer to Macrom 48.13 rate in Db.. to adjust signal before reach speaker... after afew time thinking & look my installer tune my system.. I notice it is Volume Control just name only Gain or Level adj.. Why.. Ist step we adjust signal output from HU before reach Pro, Xo, Amp & last speaker.. as we know HU doesn't have Gain Knob only Volume Knob.. We only across Gain Knob after HU.. Why after HU but the Signal to adjust at Pro, Xo, Amp same as HU... From HU until amp we adjust each signal due to 1 main reason clipping & distorted.. That why I said the Gain Knob function is to control volume output same as HU..
     
  6. gwsallen

    gwsallen Senior Member
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    So let says:
    HU sending 4V to amp
    Amp fuse 35A, rated 200W
    Battery voltage, 13.5V

    Calculation will be 13.5V x 35A = 472.5W pmpo is this calculation correct?
     
  7. acidcoller

    acidcoller Senior Member
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    wah..
    vey difficult to understand if not expert in ice like me...


    :cry_smile: :cry_smile: :cry_smile:
     
  8. kyheng

    kyheng Senior Member
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    Too difficult? Ok, to make it simple :
    Some amps gain can be used as volume control and some are not so there is always have 2 version of stories.
    Based on the bcae.com and LA website, amps are from few mv to 4v, maybe some amps can get higher voltage, this I not that sure.
    Most ofthe HU pre-outs voltage now are around 1.8-2.2v.
    Mid speakers power is around 50-80w rms.
    HU and amps tend to 'clip' or distort when the gain or volume set to too high(80-95%) where they cannot give clean signal anymore. I call this the speakers starts to crack.
    So if using the calculator from bcae.com under amp gain, you can put the amp gain at max(4v) and HU at 2v and see the power output. Then follow by amp gain at half(2v) and HU still 2v. You will notice amp gain at max power is lesser than amp gain set at 4v.
    The above calculation is based on bcae, if this website is cheating, then I also cheating....
     
  9. Zenn

    Zenn Senior Member
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    all also the same lah, volume/level/gain from all the devices (HU, crossover, amp) will all increase signal voltage via RCA
     
  10. appleyard

    appleyard Senior Member
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    Gain = Volume knob

    I guess someone else can explain better than me.

     
  11. Zenn

    Zenn Senior Member
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    do u want to know the amp's real power?

    in that case, 35 x 13.5 x (efficiency of amp, usually 50%) = 236.25 w rms total power. if it is a 4ch amp u divide by 4 la, becomes 59W per ch

    amp efficiency is 80% for class d, and some high end class AB amps can be 60 or 70%
     
  12. oldskolboyz

    oldskolboyz Senior Member
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    No like that laa... there has many thing to include.. HU (4V) just a signal from CD to amp... HU c/w 4V, 5V or 8V will not increase amp power output but only making more clear & clean signal before reach to amp..
     
  13. acidcoller

    acidcoller Senior Member
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    what ur means bro??
     
  14. howiechoo

    howiechoo Senior Member
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    wow..so many post and reading here..getting dizzy a bit..lolz....btw, acid did ur hu repair edy?
     
  15. acidcoller

    acidcoller Senior Member
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    not la bro..

    pioneer service in kl os electronic lost lolz..
    shit...
    i do know whes the location for soon tat electronic

    anyone who can hell me plz....................


    :cry_smile: :cry_smile: :cry_smile: :cry_smile: :cry_smile: :cry_smile: :cry_smile: :cry_smile: :cry_smile: :cry_smile: :cry_smile: :cry_smile: :cry_smile: :cry_smile: :cry_smile:
     
  16. acidcoller

    acidcoller Senior Member
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    help me plz....


    :cry_smile: :cry_smile: :cry_smile: :cry_smile: :cry_smile: :cry_smile: :cry_smile: :cry_smile: :cry_smile: :cry_smile: :cry_smile: :cry_smile: :cry_smile: :cry_smile: :cry_smile:
     
  17. howiechoo

    howiechoo Senior Member
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    wat u mean o?
     
  18. acidcoller

    acidcoller Senior Member
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    actually i went to pioneer service KL branch but the shop close or bankrupt already..
    i do know but at front door shop have sticker word "SHOP TO LET'

    now i want go to selangor brand at petaling jaya but do know wheres the place..
    very hard to me bcoz im not expert the location there..

    so any one can help me...???
     
  19. howiechoo

    howiechoo Senior Member
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    u know rhb ss2?
     
  20. acidcoller

    acidcoller Senior Member
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    not sure la bro..

    dats my prob not expert pj area..

    if any one who know any service shop for headunit plz hel me...???
     

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