BOOSTER AMPLIFIER (STEREO) using MJ2955
+28
Bong
DJFEL
jimsky143
PIEZO
james
michael nierva
Lenaren
leurs
nerfe
john walter
longthrow
henrick
pink noise
ultrasonicâ„¢
makoy
BlackTrax
Blaze25
tatikxx4
danny
Steel Rain
bhongskieboie
renelachica88
ytsertoto
AC-DC Electronics (TJ)
01110011
arkin
Digitap
mitch
32 posters
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Re: BOOSTER AMPLIFIER (STEREO) using MJ2955
Yung TR1 ay RDL-I at yung TR2 ay RDL-O. 33 ohms at 270 ohms na resistor @ 1 watt . Sa Raon pa kami bumibili noon. Sorry medyo matagal na kasing project namin yan sa high school at di ako sigurado kung may gumagawa pa ng ganung transformer. Actually yung ginamit naming transistor noon ay Genuine na 2SB449 o 2SB337. Resistors are 4.7 and 470 ohms. That was year 1979 pa.
renelachica88- AAA Battery
- Posts : 5
Join date : 2012-02-04
Age : 59
Location : Iloilo
quadro booster
sir gae kog diagram sa kwadro nga booster b galibog mn gud ko kay duha duha mn iyang input ..nangaputol nmn gud tawn ang wiring ani akong booster kay dugay nmn ni wala magamit , as in nanga puka ang mga sinuldahan...... hope inyo ko ma tebangan ... salamat
bhongskieboie- AAA Battery
- Posts : 45
Join date : 2012-03-18
Location : cebu city
Re: BOOSTER AMPLIFIER (STEREO) using MJ2955
same rna s mono nga booster.gi times four lng na.meaning,ang set up sa mono,ghimo lng upat pra ma kwadro.kopyaha lng na ang ubang chanel nga ok pa..
arkin- D Battery
- Posts : 446
Join date : 2011-12-02
Re: BOOSTER AMPLIFIER (STEREO) using MJ2955
so bale ang duha ka input parihas ra xa ug wiring diay.... nya ang resistor niya boss pila nman ibutang ani? ug usa ang sakto pag butang? salamat daan... bag o paman ko ani boss
bhongskieboie- AAA Battery
- Posts : 45
Join date : 2012-03-18
Location : cebu city
Re: BOOSTER AMPLIFIER (STEREO) using MJ2955
copy lng sa gipost..
arkin- D Battery
- Posts : 446
Join date : 2011-12-02
Re: BOOSTER AMPLIFIER (STEREO) using MJ2955
yung booster na ginawa is 50w yung output nya,masyadong mainit yung transistor(MJ2955),my R1(22ohms-5w),R2(330ohms-5w,pero hindi naman nag aamoy sunog yung transistor kahit npakainit nya,normal lang ba yun?
Steel Rain- AAA Battery
- Posts : 14
Join date : 2011-10-17
Re: BOOSTER AMPLIFIER (STEREO) using MJ2955
masyadong mataas bias mo,d na normal yan.intayin mo pa bang masunog pra mag-amoy sunog? plitan mo r2 mo,mga 450ohms-500ohms,depende sa dami ng trasistor mo.
arkin- D Battery
- Posts : 446
Join date : 2011-12-02
Re: BOOSTER AMPLIFIER (STEREO) using MJ2955
try this
audiophonics dot com
similar to our pinoy booster, but this is way better.
It will put our booster in the dust.
audiophonics dot com
similar to our pinoy booster, but this is way better.
It will put our booster in the dust.
Re: BOOSTER AMPLIFIER (STEREO) using MJ2955
yung transistor ko sir is isa sa bawat junction nya,bale sa stereo booster na ginawa ko is 4 lahat.....
Steel Rain- AAA Battery
- Posts : 14
Join date : 2011-10-17
Re: BOOSTER AMPLIFIER (STEREO) using MJ2955
eh,tlagang mgbbaga yan.dagdagan mo,khit 4 lng.taasan na rin r2.
arkin- D Battery
- Posts : 446
Join date : 2011-12-02
Re: BOOSTER AMPLIFIER (STEREO) using MJ2955
observe the limits of the outputs
minsan share ko din dito yung
40W na amplifier ko
I will make a thread for that one.
stay tuned
minsan share ko din dito yung
40W na amplifier ko
I will make a thread for that one.
stay tuned
Re: BOOSTER AMPLIFIER (STEREO) using MJ2955
mayalin143
sa na e post mo na diagram sa page1 ilang w watts ba ang input at saka output?
sa na e post mo na diagram sa page1 ilang w watts ba ang input at saka output?
tatikxx4- AAA Battery
- Posts : 8
Join date : 2012-05-29
Age : 37
Location : consolacion cebu
Re: BOOSTER AMPLIFIER (STEREO) using MJ2955
at ilang ohms din ang gagamitin dito?
di na ba ntin kailangan gumamit ng caps dito?
di na ba ntin kailangan gumamit ng caps dito?
tatikxx4- AAA Battery
- Posts : 8
Join date : 2012-05-29
Age : 37
Location : consolacion cebu
Re: BOOSTER AMPLIFIER (STEREO) using MJ2955
naka patingog nako mga boss ,, naka taghap ko ug assemble jejeje stereo xa pero dili ang kwadro... wala lang templa..... kinsa pwde mo templa dri mga boss?
bhongskieboie- AAA Battery
- Posts : 45
Join date : 2012-03-18
Location : cebu city
Re: BOOSTER AMPLIFIER (STEREO) using MJ2955
"naka patingog nako mga boss ,, naka taghap ko ug assemble jejeje stereo xa pero dili ang kwadro... wala lang templa..... kinsa pwde mo templa dri mga boss? "danny wrote:ano raw?
hmmm
translation: me nagawa daw s'ya na stereo booster , tumunog daw but it needs "*timpla", tanung nya kung sinu marunong mag modify ng sound ng booster
note:
"TIMPLA" refers to modification of booster, to produce more bass/treble by adding secret daw na mga resistor at caps, sometimes the output transformer is modified
"KWADRO" is a type of booster which has 4 channels, ginagamit ito mostly sa gubat gubat (decibel wars) sa cebu ;D
01110011- C Battery
- Posts : 184
Join date : 2011-07-23
Age : 32
Location : cebu city
Re: BOOSTER AMPLIFIER (STEREO) using MJ2955
uu nga sino po may modifications circuit diagram ng tones control nito mga sir bass at treble,sayang din kasi 2pcs AN214 q ic ko dito.
Last edited by Blaze25 on Mon Jun 18, 2012 12:02 pm; edited 1 time in total (Reason for editing : edit)
Blaze25- AAA Battery
- Posts : 16
Join date : 2012-06-18
Age : 50
Location : Carmen North Cotabato
Re: BOOSTER AMPLIFIER (STEREO) using MJ2955
gawa ka muna ng working na an214 amp, tsaka mo na imodifyBlaze25 wrote:uu nga sino po may modifications circuit diagram ng tones control nito mga sir bass at treble,sayang din kasi 2pcs AN214 q ic ko dito.
01110011- C Battery
- Posts : 184
Join date : 2011-07-23
Age : 32
Location : cebu city
Re: BOOSTER AMPLIFIER (STEREO) using MJ2955
sino po may pcb layout pa upload po..,wag lang kay pagarigan..
Blaze25- AAA Battery
- Posts : 16
Join date : 2012-06-18
Age : 50
Location : Carmen North Cotabato
Re: BOOSTER AMPLIFIER (STEREO) using MJ2955
courtesy of sir efren from elab
01110011- C Battery
- Posts : 184
Join date : 2011-07-23
Age : 32
Location : cebu city
Re: BOOSTER AMPLIFIER (STEREO) using MJ2955
mods: maglagay ka ng mylar between pin 5 and gnd experiment ng different values
01110011- C Battery
- Posts : 184
Join date : 2011-07-23
Age : 32
Location : cebu city
Re: BOOSTER AMPLIFIER (STEREO) using MJ2955
hndi original kp500 circuit
arkin- D Battery
- Posts : 446
Join date : 2011-12-02
bhongskieboie- AAA Battery
- Posts : 45
Join date : 2012-03-18
Location : cebu city
Re: BOOSTER AMPLIFIER (STEREO) using MJ2955
mga masters... ask lang ko ba bahin sa ako booster... init man jud xa pag ayo.. akong output kay 200 nya bale 32 kabuok mj 2955 nya ang pag bias ani kay 10wtts 200 ohm 2 pcs. ug 10wtts 10 ohms 2pcs. asa man akong pagamyan or padak an nga value ani? stereo diay ni akong na himo mga master... na lipong nako sa aso sa led... jejjejejejee salamat daan ninyo mga master... naa jud ko nakat onan ani nga site... more power.........
bhongskieboie- AAA Battery
- Posts : 45
Join date : 2012-03-18
Location : cebu city
Re: BOOSTER AMPLIFIER (STEREO) using MJ2955
sa batery ok rna,pro sa transformer init na kaayo na.transformer imo gamit?ilisi na 200 og 300.ana jud gusto makat on agwanta sa aso og paso
arkin- D Battery
- Posts : 446
Join date : 2011-12-02
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