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Author Topic: Pa'no po ma-convert car amplifier into a home amplifier?  (Read 1687 times)

Offline j a y k e z

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Re: Pa'no po ma-convert car amplifier into a home amplifier?
« Reply #20 on: May 02, 2012, 08:47:57 PM »
better use 12V SMPS ;D

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Re: Pa'no po ma-convert car amplifier into a home amplifier?
« Reply #20 on: May 02, 2012, 08:47:57 PM »

Offline kunimitzu

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Re: Pa'no po ma-convert car amplifier into a home amplifier?
« Reply #21 on: May 02, 2012, 08:55:05 PM »
@kunimitzu

sis na pagana mo naba?

may 12V battery kaba? or mas prefer mo SMPS or Tranformer?
kung ako tatanungin mo transformer nalang rated @ 12Vdc/3 amps ok din lang kahit 2 amps (around 150php-250php eto)

ang alam ko rated to 10-20watts per channel eto

para mapagana mo
connect remote to positive power supply, or mag lagay ka nalang ng jumper between + and remote
hindi mo mapapagana yan hanggat di mo ginagawa eto! :)

stick ka nalang sa 12vDC para mas safe lalo if ang load mo is lower impedance like below 4ohms incase nagparallel ka!
di ko pa po napapagana, ang gamit ko po,eh yung AC-DC converter... sira po yata yung transistor IC sa loob...

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Re: Pa'no po ma-convert car amplifier into a home amplifier?
« Reply #21 on: May 02, 2012, 08:55:05 PM »

Offline mund24

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Re: Pa'no po ma-convert car amplifier into a home amplifier?
« Reply #22 on: May 02, 2012, 08:59:52 PM »
medyo pricey sis ang SMPS,
at kahit hindi regulated yung source nyan hindi sensitive! na try ko na gumamit netong amp na to using 12volts 2amps , w/o filter caps , since may filter cap yan sa loob rated 1000-2200uF, but mas better pa rin if may capacitor!

at isa pa if we take longevity mas better pa rin yung transformer, at less sensitive sya sa mga ripple from the main line!

yung nag assemble ako ng PSU using 12V @2amps nagastos ko lang 150php, since may rectifier diode ako :)

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Re: Pa'no po ma-convert car amplifier into a home amplifier?
« Reply #22 on: May 02, 2012, 08:59:52 PM »

Offline mund24

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Re: Pa'no po ma-convert car amplifier into a home amplifier?
« Reply #23 on: May 02, 2012, 09:03:22 PM »
di ko pa po napapagana, ang gamit ko po,eh yung AC-DC converter... sira po yata yung transistor IC sa loob...
sis na try mo naba yung topology na binigay ko?
if good condition or working pa noong binigay yan sayo! sure ako eto yung solution para mapagana mo yan, goodluck!

eto repost ko baka di mo nakita :)



yung B- and Ground is iisang linya lang yang considered ground/negative yan, since car amp yan need lang niya is 1 line power supply

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Re: Pa'no po ma-convert car amplifier into a home amplifier?
« Reply #23 on: May 02, 2012, 09:03:22 PM »

Offline Tukkar

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Re: Pa'no po ma-convert car amplifier into a home amplifier?
« Reply #24 on: May 03, 2012, 08:55:56 AM »
better use 12V SMPS ;D

pwede ka rin gumamit ng lumang pc power supply 12volts 8 ampere din yun...just short the green wire to ground kung alang switch at maglagay ka ng load resistor sa 5v output around 10 ohms for stability of the 12v output.
Pag gusto maraming paraan, pag ayaw maraming dahilan!!!!...

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Re: Pa'no po ma-convert car amplifier into a home amplifier?
« Reply #24 on: May 03, 2012, 08:55:56 AM »

Offline kunimitzu

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Re: Pa'no po ma-convert car amplifier into a home amplifier?
« Reply #25 on: May 03, 2012, 09:53:52 PM »
sis na try mo naba yung topology na binigay ko?
if good condition or working pa noong binigay yan sayo! sure ako eto yung solution para mapagana mo yan, goodluck!

eto repost ko baka di mo nakita :)



yung B- and Ground is iisang linya lang yang considered ground/negative yan, since car amp yan need lang niya is 1 line power supply

sir sira po yata, kasi yung transistor IC sa loob ito:



parang may nagsplash na puti sa gilid... :(

Offline Disabled

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Re: Pa'no po ma-convert car amplifier into a home amplifier?
« Reply #26 on: May 03, 2012, 10:14:48 PM »
baka silicon paste/thermal paste lang yan.
basta walang biyak ung IC ok pa yan. pero kung mag ugong na. replace.

Offline Min

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Re: Pa'no po ma-convert car amplifier into a home amplifier?
« Reply #27 on: May 03, 2012, 10:28:30 PM »
Baka colgate ung puti? ;D ;D ;D
Wag mo kalilimutan pagsamahin ung B+wire at ung Rem wire. Usually red at yellow wire ito.
Pero mas maganda gamitan mo ng switch kasi ung talaga ang purpose nung Rem wire. iyan ang on/off switch ng ampli.
Pag di ito magkadikit di tutunog.
M I N 2 5  e l e c t r o n i c s

Offline drin20

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Re: Pa'no po ma-convert car amplifier into a home amplifier?
« Reply #28 on: May 03, 2012, 11:00:12 PM »
kung malakas ang loob mo, pwede mo buksan at alamin ang filter caps na ginamit....then pwede ka gumawa ng psu para mabypass yung inverter sa loob nyan.....

ngayon ko lang naisip ito. pwedi nga pala i bypass ang DC-DC converter.

Bumili pa ako ng 12 volts, 100 amp battery para sa car amp driving 2 12 inch subwoofer.

Offline kunimitzu

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Re: Pa'no po ma-convert car amplifier into a home amplifier?
« Reply #29 on: May 03, 2012, 11:06:00 PM »
ganun nga po ginagawa ko magkasama yung B+ REM sa positive tapos B- GND sa negative pero di p rin po nagana... Sa tingin ko tlaga sira yung transistor ic na yun, baka dahil sa init kaya nagkaroon ng puti...

Offline drin20

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Re: Pa'no po ma-convert car amplifier into a home amplifier?
« Reply #30 on: May 04, 2012, 07:15:22 PM »
ganun nga po ginagawa ko magkasama yung B+ REM sa positive tapos B- GND sa negative pero di p rin po nagana... Sa tingin ko tlaga sira yung transistor ic na yun, baka dahil sa init kaya nagkaroon ng puti...

sis baka thermal paste yung puti sinasabi mo?

Offline j a y k e z

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Re: Pa'no po ma-convert car amplifier into a home amplifier?
« Reply #31 on: May 04, 2012, 07:29:13 PM »
sir sira po yata, kasi yung transistor IC sa loob ito:



parang may nagsplash na puti sa gilid... :(

error ung link ng picture mu ;D

Offline kunimitzu

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Re: Pa'no po ma-convert car amplifier into a home amplifier?
« Reply #32 on: May 04, 2012, 09:40:04 PM »
error ung link ng picture mu ;D
error ba, di nyo po ba nakikita?...

Offline kunimitzu

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Re: Pa'no po ma-convert car amplifier into a home amplifier?
« Reply #33 on: May 04, 2012, 09:43:59 PM »
sis baka thermal paste yung puti sinasabi mo?
ewan ko po di ko sure, pero wla nman ako nakitang thermal paste ska umabot yung puti sa kaduluhan ng case, parang kumalat...

Offline Asarnako

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Re: Pa'no po ma-convert car amplifier into a home amplifier?
« Reply #34 on: May 04, 2012, 10:14:30 PM »
Hehehe!

Kaya siguro binigay sayo... mukhang yung whitish na yn ay water, galing sa na ONDOY na kotse?
...Somebody needs something...

Offline kunimitzu

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Re: Pa'no po ma-convert car amplifier into a home amplifier?
« Reply #35 on: May 05, 2012, 06:06:57 PM »
Hehehe!

Kaya siguro binigay sayo... mukhang yung whitish na yn ay water, galing sa na ONDOY na kotse?

nd naman mukang nabaha, napakaganda pa ng loob bagong-bago, ung transistor amplifier lang talaga mukang may problema...

Offline p®otocol

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Re: Pa'no po ma-convert car amplifier into a home amplifier?
« Reply #36 on: May 05, 2012, 06:11:36 PM »
nung ginawa ko ung ganito TS ung PS ng PC ginamit ko  ;)
[nO MatTer How GiFteD yOu aRe, yOu aLonE cAnNot cHanGe tHe WorLd]

Offline 01110011

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Re: Pa'no po ma-convert car amplifier into a home amplifier?
« Reply #37 on: May 05, 2012, 06:24:37 PM »
gaano ba ka laki yung amp mo sis? (physical size) it might give us an idea kung ilang amperes kakainin ng amp na yan, kung maliit lang at de IC you can power it using a PC power supply, pag me kalakihan na yung amp, kailangan mo na ng battery/ huge transformer, assuming na may SMPS dc-dc converter yan sa loob :)
with great power comes great electricity bill

Offline p®otocol

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Re: Pa'no po ma-convert car amplifier into a home amplifier?
« Reply #38 on: May 05, 2012, 06:46:26 PM »
Ung amp sis ung puro siya BJT taz 2ch/3ch/4ch pde siya with crossover at tone control, yung malaking heat sink yung buong housing nya, yun pa din gamit ko ung sa PS ng PC,.. mga 250W ata un PS,
[nO MatTer How GiFteD yOu aRe, yOu aLonE cAnNot cHanGe tHe WorLd]

Offline 01110011

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Re: Pa'no po ma-convert car amplifier into a home amplifier?
« Reply #39 on: May 05, 2012, 07:08:30 PM »
di ba nagtritripoff PSU mo?, or humihina ba yung amp pag todo bass?
with great power comes great electricity bill

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Re: Pa'no po ma-convert car amplifier into a home amplifier?
« Reply #39 on: May 05, 2012, 07:08:30 PM »

 

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