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General Audio Discussion Thread

  • Sir Fortoz, will it damage my speakers? Or my amp? I'm a beginner on mix and match to produce more sounds. So I'm gathering information. Thanks for the additional advice. :)
  • pwede ko po ba na ibaba sa 4ohms ang crown jh-156? Ang nakalagay lang kasi sa impedance niya is 8 ohms, Gusto ko kasi masubukan power amp ko hanggang 4 ohms and paano ko siya i-wire from to my amp? Oks lang kaya na i-parallel ko siya pag kinabit sa likod ng amp ko


    Sinagot ko lang sir ang tanong niyo na puede pero hindi po ako sigurado kung masisira ang speaker or amp. I don't know what is your amp rating/specs :)

    Kahit naman 8 ohms ang gamit niyong speaker kung ala torture test ang aim ninyo ay possible na masira either amp or speaker or both.

    By the way most amps are flexible and work ok using speakers 4-8 ohms total impedance/channel as long as you don't overdrive your system.
  • ok po. thanks. post na lang po ulit ako ng mga new questions pag may naisip ulit ako.. hehehe
  • May tanong po ako anong limit ng watts ng amp para sa dalawang speakers na 8 ohms ang total impedance?? pwede ba ung mga 2000 watts na amp dito hope someone can answer this question.

    Maraming salamat.

    -- edited by rzn21 on Feb 14 2015, 12:46 AM

    -- edited by rzn21 on Feb 14 2015, 12:47 AM
  • Hindi po malinaw ang tanong niyo sir kasi kulang ng mga detalye.

    Parehas sa tanong na "Gaano kahaba ang isang rolyong sinulid?" :) :)
  • @ sir fortoz, ok sir.. Kase ho may pioneer speakers ako. Circa 80's pa ata to eh. I am thinking of buying an amp for these speakers pero po may doubts ako kasi bka masunog ung speakers ang impedance po nila is 8 ohms each mali pa ung post ko khapon. Cs 303 po ung model nila.. Sayang kase to sir eh. Ok na po b yan sir?
  • @audio masters, question po ulit. Need ko po ata pa rin ng preamp para sa power amp ko kasi hindi ganun kalakas ang buga niya pag direct from audio sources lang eh. Pwede ko kayang ipang-preamp ang konzert 502 ko? Ito po specs ng power amp ko:

    Max Power Output: 1550 Watts x 2
    RMS Power Output: 775 Watts x 2
    380 + 380 Watts@ 8 Ohms
    760 + 760 Watts @ 4 Ohms
    1520 + 1520 Watts @ 2 Ohms
    Output Power T.H.D.: 20Hz - 20kHz
    Maximum Input Level: 21dB/9V

    TIA. :)
  • anong power amp mo sir? newbie here hehehe.

    antayin natin sumagot yung mga mahuhusay sa ganyan. ang pagkaka alam ko kasi sa preamp eh hindi siya actual ampli, based dito...

    http://en.m.wikipedia.org/wiki/Preamplifier

    parang hindi pasok yung 502 mo as a 'preamp.' anong speakers ang pinapadrive mo sa amp mo? di kaya underpowered yung amp para sa speakers? pag ibang source, ok naman ang buga niya?

    again, newbie here :-)
  • rzn21, newbie answer here. if you want a more authoritative answer, wait for sir fortoz and sir vendetta. silang dalawa lang alam ko eh. hehehe.

    you might be confused between watts and ohms.

    kung bibilhan ko ng amp yang speakers mo, siguro pwede na yung integrated amp ng Sakura na AV 739 or kahit yung AV 3XX, kailangan mo din malaman kung anong combined watts ng speaker boxes mo. kasi kung 1000 watts pala isang box, di kakayanin nung dalawang integrated amp yun. ok lang na mas mataas wattage ng amp BASTA iwas overdriving your speakers by pumping up the gain/volume too much. play it by ear, pag may weird sound ka ng naririnig, bawas volume ka na, makakasira kasi yun.

    ang kailangan mo i match ay yung wattage ng amp at speakers, generally. ok lang na mas mataas ang wattage ng amp, as long as you dont overdrive your speakers.

    meron ako nung AV 739BT ng Sakura, ok siya kasi may limiter sya mismo na pa screw para ma adjust, tapos yung malaking volume, pwede pa barehand adjust, para iwas overdrive sa speakers.

    hope this helps.
  • @technoX

    Looking at the specs of your amp, it falls on the category as Professional Audio which requires 1.2v-2.0v signal. If you look at it's maximum input level, that is 9v before it is overdriven. Your konzert 502 is Classified as Consumer Audio and it's preamp output is in the order of 0.5v-0.7v which is still not enough to drive your power amp properly.

    You need to get a preamp that can give an output at least 2v which you can find mostly mixers have this output level. More expensive mixers have even switch for Consumer/Professional audio to cater both.
  • @rzn21

    I think the Pioneer CS-303 is rated 120W max, 6 ohms. You can use an amp 100W-200W 4-8ohms like Konzert AV-301, 302 or 303.
  • @ sir fortoz,

    Thanks for the answer sir, very much appreciated!
  • @ sir ronsterr,

    Thanks for the answer sir!!
  • fortoz, on February 17, 2015 08:37 PM
    @technoX

    Looking at the specs of your amp, it falls on the category as Professional Audio which requires 1.2v-2.0v signal. If you look at it's maximum input level, that is 9v before it is overdriven. Your konzert 502 is Classified as Consumer Audio and it's preamp output is in the order of 0.5v-0.7v which is still not enough to drive your power amp properly.

    You need to get a preamp that can give an output at least 2v which you can find mostly mixers have this output level. More expensive mixers have even switch for Consumer/Professional audio to cater both.


    kaya gustong gusto ko sumasagot itong si Sir Fortoz eh. hehehehe.

    di ko alam na may mga switch yung ibang mixers for professional/consumer audio =)
  • Yes something like this attenuator swich.

    External Image
  • good day po mga master,may tanong lang po sana regarding sa vintage na receiver pioneer vsx 606s 130 watts/channel +pioneer speaker shf10 tower 200watts x2 +12band pioneer graphic equalizer....kaya po ba ng receiver ko ang speaker?kasi po nasunog ang dome tweeter ng speaker,then after that distorted na ang right channel ng receiver.nasa service center na ang receiver ko pero ang iniisip na baka mangyari ulit na iether masira ulit ito kung over drived ba ang receiver or speaker ?thanks po sa mga mag advice
  • @fortoz

    Looking at the specs of your amp, it falls on the category as Professional Audio which requires 1.2v-2.0v signal. If you look at it's maximum input level, that is 9v before it is overdriven. Your konzert 502 is Classified as Consumer Audio and it's preamp output is in the order of 0.5v-0.7v which is still not enough to drive your power amp properly.

    You need to get a preamp that can give an output at least 2v which you can find mostly mixers have this output level. More expensive mixers have even switch for Consumer/Professional audio to cater both.


    Yes, tama nga iniisip ko na need pa ng preamp nitong power amp ko. May mixer naman ako na 12ch but hindi niya siguro maibigay yung needed volt pa ma drive yung amp ko. Cheap mixer lang kasi yun, will try to look for preamp na lang na pwede ko isama sa amp ko. Makapagtanong nga sa Raon.. Hehehe.. Gamitin ko kasi na pang low and sub to. ^_^
  • It is very satisfying to note that sir Fortoz is the active resident guru of this thread nowadays. I am seldom available now to answer questions as I am very much preoccupied with other matters at the moment. I drop by occasionally only to check up on this thread and others.

    Thank you, sir Fortoz for being readily available. ^_^
  • Good day!
    Need advice on how to repair surround foam ng swans m10.
    Nginatngat ng ipis ung left speaker, 2 mm na butas saka maliliit na butas din.
    Thanks.

    -- edited by ryan_une on Mar 02 2015, 12:17 PM
  • Good day, mga sir, maam. Ask ko lang kung saan nakakabili ng OMTP to CTIA adapter? Pag nokia headset ang nakapasok sa phone ko maayos, pero yung sa xperia headset ko. Parang nasa ilalim ng balon ang tunog.

    Tama ba na OMTP to CTIA adapter ang need ko o baliktad?

    And how much does it cost?

    Thank you.

    -- edited by heatwave on Mar 03 2015, 10:09 AM

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