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Ask Sir Tony - an Electronics/Electrical Q & A thread

  • mga sir, pa advise naman.

    eto gamit kong extension cord para sa 42" ledtv, ps4, speaker and cable box.

    External Image


    sa site nila:


    WED-360-PK
    Extension Cord Set
    6-Gang w/ Individual Switches
    6FT. Cord
    2,500W 10A 250V
    (12pks/ctn)

    Lightning Protector Series:
    Protect appliances with built-in lightning protector
    -with built-in IC for over-voltage protection


    *incorporates protection for electrical devices against power fluctuation and lightnings




    ndi ko sure if need ko pa invest sa ups/surge protector para lang sa peace of mind na hindi masisira mga nakasaksak dito. mahal na kasi para sakin surge protector worth 4k+ kaya sa extension cord na to nabili ko.
  • hindi nga worth yan depende na yan kung talagang may build in IC talaga yan ithink worth it yan kung meron pero bias na yung IC sakin kung talagang gumagana yan
  • May alam ba kayong Amplifier Circuit na kayang paganahin ang 8 ohm 0.5W speaker na hindi kailangan ng IC wala kase akong makuhaan dito ng IC eh
  • @silentorange19

    Something like this? <click here for link>
  • awakeruze
    pwede na ito thanks
  • medyo kabado lang ako dun sa circuit since gagawa ako ng amplifier para magamit ko yung speaker sa cellphone ko di ba dangerous yan sa phone ko ?
  • @silentorange19
    Test it with another audio source (mp3 player?) if you're worried.
  • sir good pm mga master ask ko lang if tama ba pag ka wiring ko.
    amplifier has A & B speakers
    <click here for link> pioneer powered sub woofer
    <click here for link> kenwood speaker
    <click here for link> kenwood amplifier

    from 1 speakers L & R - 2powered sub-woofer - 3amplifier
    from 1 amplifier (A) L & R - 2powered sub-woofer (which have speaker IN & OUTPUT) L & R - 3speakers
    not sure kung tama pag ka explain ko. pa advice naman if tama ba pagkagawa ko?
    dati kasi ang setup ko is ung speakers naka dikit sa amplifier direct (A) tapos ang powered subwoofer ko sa (B)
    parang hindi kinakaya amplifier ko. minsan nawawala sound sa left speaker. tapos pag ginalaw ko ung wire kung san galing source ng sound nagkaka garalgal na sound tapos nagkakaroon ulit ung left speaker. minsan lang naman.

    may input output kasi ung powered subwoofer dun ko dinaan ung speaker then going to amplifier. hindi na nawawala sound sa left speaker tapos ginagamit ko na lang sa amplifier is (A)

    sensya na sa magulong explanation sana ma gets nyo.

    many TIA
  • Good am po sir.ask lang po ako.ano po kayang sira kapag pumuputok yung fuse ng charger ng laptop? Nagpalit narin casi ako ng transistor mosfet at dual diode pati ic neto.putok padin yung fuse eh.sana may makasagot.salamat in advance.
  • @krismarty27

    Good am po sir.ask lang po ako.ano po kayang sira kapag pumuputok yung fuse ng charger ng laptop? Nagpalit narin casi ako ng transistor mosfet at dual diode pati ic neto.putok padin yung fuse eh.sana may makasagot.salamat in advance.


    Meron pa ibang sira diyan na transistor, diode at open filter capacitor. Check mo rin parts sa dc output side.

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