BOOSTER AMPLIFIER (MONO) using MJ2955

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BOOSTER AMPLIFIER (MONO) using MJ2955

Post by ultrasonic™ on Fri Aug 20, 2010 12:37 am

no need to xplane na yata eto , kahit sino familiar dito most common amplifier circuit kahit sino marunong gumawa nito. magtanong tanong nalang kau or just ask nlng sa forum nato


add trivia nlng BOOSTER amplifier in electronic term are known as a PUSH PULL TYPE amplifier
gitawag na xag push pull its b-coz its hav two power switching transistor na magpuli-puli ug on ug off ... pangutana nganu kinahanglan mn mapalong palong ang operation nga pwde mn naka-on nlng pirme diba? ang tubag ana kay of course kung dli magpalong palong ang operation understood or sabotable na DC out ang labas sa audio output nga dili pwde sa SPEAKER kay masunog xa.. dapat AC signal lng ang iyang ginareceive.. (^_^)

now im xur naa na pud moy pangutana regarding sa power wattage ani.. pila kahay wattage ani? 50W kaha., 100W or mas taas pa?

ang tubag ana kay nagadefende na xa sa inyong power output transformer, kung 50W.. 50W pud ang labas ana.. kung gus2 nimu 100W of course 100W pud ang emng output transformer na gamiton.. but olwayz remember dis kung taas gani ang power output transformer nimu.. u must to add power transistor na MJ2955.. magparallel connection ka.. meaning ang base ikabit sa base, ang emitter ikabit sa emitter, ug ang collector ikabit sa collector ... e.g: kung 100W dapat duha duha ka transistor bawat junction, kung gusto pa jud nimu patas-an dungag na pud kag transistor gets ninyu? kung wala gani just txt me or ask lng mu dre ok (-_-)



SCHEMATIC DIAGRAM

COMPONENT PARTLIST:

2pcs. MJ2955 POWER TRANSISTOR
1pc. 470 ohm 5Watts
1pc. 20 ohm 5Watts
1pc. Audio input transformer 15Watts
1pc. Audio output transformer 50Watts (100W for 100watts operation & add two power transistor)
Aluminum Case & other accesories


PICTORIAL DIAGRAM / WIRING DIAGRAM


FINAL OUTPUT


Last edited by ultrasonic™ on Sat Jul 02, 2011 9:43 pm; edited 1 time in total

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Re: BOOSTER AMPLIFIER (MONO) using MJ2955

Post by onepackfull on Tue Jun 07, 2011 5:45 pm

parehas lang bah ang mono at stereo amplifier booster?...newbies poh me dito...may mapopost ka bah na diagram ng stereo amplifier booster?gusto q kasing mag assembly eh...tnx poh...pm mo nalng sakin pag meron...tnx poh.

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Re: BOOSTER AMPLIFIER (MONO) using MJ2955

Post by Hertz on Wed Jun 08, 2011 1:51 am


@onepackfull gumawa ka ng dalawang pares na ganyan at stereo na iyan

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Re: BOOSTER AMPLIFIER (MONO) using MJ2955

Post by x13r_kit_0 on Wed Jun 08, 2011 11:37 am

ultrasonic™ wrote:no need to xplane na yata eto , kahit sino familiar dito most common amplifier circuit kahit sino marunong gumawa nito. magtanong tanong nalang kau or just ask nlng sa forum nato


add trivia nlng BOOSTER amplifier in electronic term are known as a PUSH PULL TYPE amplifier
gitawag na xag push pull its b-coz its hav two power switching transistor na magpuli-puli ug on ug off ... pangutana nganu kinahanglan mn mapalong palong ang operation nga pwde mn naka-on nlng pirme diba? ang tubag ana kay of course kung dli magpalong palong ang operation understood or sabotable na DC out ang labas sa audio output nga dili pwde sa SPEAKER kay masunog xa.. dapat AC signal lng ang iyang ginareceive.. (^_^)

now im xur naa na pud moy pangutana regarding sa power wattage ani.. pila kahay wattage ani? 50W kaha., 100W or mas taas pa?

ang tubag ana kay nagadefende na xa sa inyong power output transformer, kung 50W.. 50W pud ang labas ana.. kung gus2 nimu 100W of course 100W pud ang emng output transformer na gamiton.. but olwayz remember dis kung taas gani ang power output transformer nimu.. u must to add power transistor na MJ2955.. magparallel connection ka.. meaning ang base ikabit sa base, ang emitter ikabit sa emitter, ug ang collector ikabit sa collector ... e.g: kung 100W dapat duha duha ka transistor bawat junction, kung gusto pa jud nimu patas-an dungag na pud kag transistor gets ninyu? kung wala gani just txt me or ask lng mu dre ok (-_-)



SCHEMATIC DIAGRAM

COMPONENT PARTLIST:

2pcs. MJ2955 POWER TRANSISTOR
1pc. 470 ohm 5Watts
1pc. 20 ohm 5Watts
1pc. Audio input transformer 15Watts
1pc. Audio output transformer 50Watts (100W for 100watts operation & add two power transistor)
Aluminum Case & other accesories



PICTORIAL DIAGRAM / WIRING DIAGRAM


FINAL OUTPUT


gets ko master ultra..,kaya ko na gawin to w/ the help of schematic and components parts..,

kaya lang di ko nagets yung xplanation..,hay..,makapagaral nga ng cebuano Very Happy Very Happy

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Re: BOOSTER AMPLIFIER (MONO) using MJ2955

Post by ultrasonic™ on Wed Jun 08, 2011 4:18 pm



aw sori request kasi ng iba na bisaya version daw ^_^

@onepackfull sundin mu si hertz gawa ka ng dalawang mono ng maging dalawa ang channel... gawa ka din ng tone control

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Re: BOOSTER AMPLIFIER (MONO) using MJ2955

Post by onepackfull on Tue Jun 14, 2011 3:25 pm

...kie lang namn cguwo na walang tone control?..balak q kasi ikabit ung booster sa sound ng motor q eh..para mas malakas ung sound..meron ka bang maririkuminda sakin?..booster nalang kasi ung kulang...

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Re: BOOSTER AMPLIFIER (MONO) using MJ2955

Post by Hertz on Tue Jun 14, 2011 10:13 pm

kong sa motor lang pwepwede na ang ganitong boost amp. buuhin mo muna ang isang mono sa taas. at balitaan mo kami dito.

recommendation naman ang hanap mo. maraming mga high end amplifier na mas higit sa ganito. kahit search mo sa internet ay madali kang makakakuha

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Re: BOOSTER AMPLIFIER (MONO) using MJ2955

Post by onepackfull on Sat Jun 18, 2011 10:48 pm

cge tnx poh..babalitaan ko nalang poh kayo...tnx... Smile ..example po ng recommendation ng amplifier..anu po bah dapat keyword na esearch q.?tnx poh ha...

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Re: BOOSTER AMPLIFIER (MONO) using MJ2955

Post by onepackfull on Fri Jun 24, 2011 8:48 pm

master nakagawa na ako ng booster amplifier..kaso mahina ung music na lumalabas..anu bah ung problema?...dapat bah maglagay ng I.C amplifier?..kasi ung na assemble q hindi q nilagyan ng I.C eh..boss tulongan mo ako mapalakas ung tunog ng music q ha..tnx...naglagay nga pala ako ng capacitor.sinunod q ung amplifier assembly na nasa itaas..pumotok po ung capacitor..anu bah ung dapat?...tnx poh...

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Re: BOOSTER AMPLIFIER (MONO) using MJ2955

Post by MCU on Fri Jun 24, 2011 9:26 pm

2 reasons why capacitor keep blowing

1. mataas ang supply mo. malamang lagpas 16V

    dapat V rms 12V - 13.8V DC

2. baliktad ang Polarity ng power supply mo o mismong capacitor mo ang baligtad

onepackfull wrote:master nakagawa na ako ng booster amplifier..kaso mahina ung music na lumalabas..anu bah ung problema?...dapat bah maglagay ng I.C amplifier?..kasi ung na assemble q hindi q nilagyan ng I.C eh..boss tulongan mo ako mapalakas ung tunog ng music q ha..tnx...

tama ka diyan. kailangan mong maglagay ng Preamp to improve a small electrical signal for further amplification or processing before dumaan sa Booster mo. i refer 15W preamp para sa ganyang set-up


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Re: BOOSTER AMPLIFIER (MONO) using MJ2955

Post by onepackfull on Sun Jun 26, 2011 9:16 pm

pwede bah boss na wag nalang lagyan ng capacitor?..try q poh na paganahin na walang capacitor..ok naman poh ung resulta..naging maayos din ang tunog..pewo pag enoperate ko po sa full volume ung mp3 napuputol ung fuse.ano bah ung trouble nya?at natural lang bah na madaling uminit ung booster?especially ung transistor nya...pls help me namn boss oh.tnx.

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Re: BOOSTER AMPLIFIER (MONO) using MJ2955

Post by proto ampzzz blackbox on Thu Jun 30, 2011 5:08 pm

dapat gumanit kanang low power amplifier para ma gumanda ang sounds mo :]

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Re: BOOSTER AMPLIFIER (MONO) using MJ2955

Post by proto ampzzz blackbox on Thu Jun 30, 2011 5:10 pm

dagdagan mo nang power transistor in paralel to minimize heat

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Re: BOOSTER AMPLIFIER (MONO) using MJ2955

Post by ultrasonic™ on Thu Jun 30, 2011 10:34 pm

@onepackfull if meron kanang Filter Ecaps sa power supply pwede wag ka nang maglagay ng ecaps sa Booster Amp.. gaya ng nasa larawan... lalot kong kapos kau sa budget... but for me, kong mataas ang Capacitor value mas maganda ang filtering ng supply...

regarding sa heat ng power tranny.. tama si proto ampzzz blackbox add more power tranny in rail. kapos ka kasi sa power


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Re: BOOSTER AMPLIFIER (MONO) using MJ2955

Post by onepackfull on Fri Jul 01, 2011 12:09 am

ang set up poh ng booster q ay 100 watts...nag lagay ako ng 4 transistor..parallel ung tig dadalawa..problem q poh..palaging napopotol ung fuse q.at saka pag full volume ung mp3 q..lumakas ung sound pewo humihina agad.anu bah ung problema...baka may mga sira sa transistor q?...

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Re: BOOSTER AMPLIFIER (MONO) using MJ2955

Post by ultrasonic™ on Fri Jul 01, 2011 6:37 pm

ilan pala ang rating ng glass fuse nyu ?
duda na may tama ang power tranny? possible din pero mas concern ko supply mu ?

xa nga pala may dinagdag na ba kayong preamp before mag booster ?

wait lang ha, try kong mag post ng preamp using BA5406. guhit ko muna


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Re: BOOSTER AMPLIFIER (MONO) using MJ2955

Post by onepackfull on Sat Jul 02, 2011 7:15 pm

3amp ung glass fuse q boss..okie na poh ung tunog nya..at hindi na sumasabog ung glass fuse q..gumagana na xa ng maayos..kaso masyadong mainit lang ung booster..lalo na ung transistor..i have 15 watts input and 100 watts output transformer and 4 transistor..470 and 20 ohms 5 watts resistors..capacitor 2200micro farad..masyadong mainit ung booster...anu ba problem?
cnxa na sa kakulitan master..

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Re: BOOSTER AMPLIFIER (MONO) using MJ2955

Post by ultrasonic™ on Sat Jul 02, 2011 9:56 pm

onepackfull wrote:3amp ung glass fuse q boss..okie na poh ung tunog nya..at hindi na sumasabog ung glass fuse q..gumagana na xa ng maayos..kaso masyadong mainit lang ung booster..lalo na ung transistor..i have 15 watts input and 100 watts output transformer and 4 transistor..470 and 20 ohms 5 watts resistors..capacitor 2200micro farad..masyadong mainit ung booster...anu ba problem?
cnxa na sa kakulitan master..

3amps ? kaya pala critical. sori kasalanan ko di ko inedit ang image.. gawin mu nlng yang 5Amps...

two options lang nkikita kng dahilan bakit masxadong mainit ang powert tranny mu.. if di talaga mahawakan
its either di masxadong na bias ang supply nitu.. kita mu yung dalawang wirewound resist. it serve as a voltage divider. pwede mu yang palitan.

o di kaya needed mu pang magdagdag ng tranny

xa nga pala ito yung.. preamp na gumagamit ng BA5406
needed pa nga lng ng modi sa circuit para mas mapa-improve ang power output


sinishare ko lang ^_^

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Re: BOOSTER AMPLIFIER (MONO) using MJ2955

Post by onepackfull on Tue Jul 05, 2011 8:45 pm

tnx boss..try q nalang dagdagan power tranny q ng 2 pah..or palitan q nalng ung reisitor q ng mababa..baka don xa may problema..tnx boss..post nalang ako dito f kun anu ang lalabasan nya.. Very Happy

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Re: BOOSTER AMPLIFIER (MONO) using MJ2955

Post by proto ampzzz blackbox on Thu Jul 07, 2011 11:50 pm

try mo lang pre gumamit ng 10w 200 ohms tapos 10 w 10 ohms resistor tapos dadagan mo lang ng pwr tranny at tyaka 34000uf na capacitor sa supply at 20000uf sa booster mismo

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Re: BOOSTER AMPLIFIER (MONO) using MJ2955

Post by Hertz on Fri Jul 08, 2011 8:11 pm

@onepackfull tama sina sir. kailangan mong palitan ang value ng resistor para makontrol mo ang labis na init. subukan mo lang timplahin. varied kasi iyan defende din sa supply mo lalot hindi yata iyan regulated. pagmababa ang current mas distorted.

@sir ultra bakit hindi niyo ni rerefer ang an214 ?

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Re: BOOSTER AMPLIFIER (MONO) using MJ2955

Post by onepackfull on Sun Jul 10, 2011 11:01 am

boss tnx sa lahat ng tulong nyo..gumagana na ng maayos ang booster q..salamat tagala sa inyo... Smile ..xa nga pala..meron bah karun dyan ng 12v battery regulator?ung kahit mababa na po ung input voltage nya..fixed 12v parin ung output voltage nya..paki post namn po ung ckt. diagram at saka ung parts list nya..tnx poh talaga... Very Happy

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Re: BOOSTER AMPLIFIER (MONO) using MJ2955

Post by Hertz on Tue Jul 12, 2011 10:39 pm

congrats kong ganun.

kong unregulated power supply. pwede na ang ganito



kong regulated naman. ito ang idagdag niyo



o di kaya ito




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Re: BOOSTER AMPLIFIER (MONO) using MJ2955

Post by Electro on Thu Jul 14, 2011 3:08 pm

Hertz wrote:@onepackfull tama sina sir. kailangan mong palitan ang value ng resistor para makontrol mo ang labis na init. subukan mo lang timplahin. varied kasi iyan defende din sa supply mo lalot hindi yata iyan regulated. pagmababa ang current mas distorted.

@sir ultra bakit hindi niyo ni rerefer ang an214 ?

@master hertz ganitong ganito ang project ko noon. an214q ang gamit na ic. maganda ang tunog, malinis at pwede pang baguhin ng mas lumabas ang bass sound. nilalagyan namin ng maliit na transformer captain ang tawag. ang mahirap lang nito ay wala na yatang binibintang ic niyan sa tindahan. sayang talaga

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Re: BOOSTER AMPLIFIER (MONO) using MJ2955

Post by 01110011 on Sat Jul 23, 2011 12:38 pm

Mga bossing yung BA328 na ic sa schem ng BA5406 yun ba ay para sa tone control?

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Re: BOOSTER AMPLIFIER (MONO) using MJ2955

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