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Author Topic: 400watts amp:from indonesia, imitated by westrak philippines  (Read 92878 times)

Offline vince_1990

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Re: 400watts amp:from indonesia, imitated by westrak philippines
« Reply #240 on: February 13, 2010, 05:29:28 AM »
Up ko lang po... still looking for leach amp pcb.

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Re: 400watts amp:from indonesia, imitated by westrak philippines
« Reply #240 on: February 13, 2010, 05:29:28 AM »

Offline danny

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Re: 400watts amp:from indonesia, imitated by westrak philippines
« Reply #241 on: February 13, 2010, 05:48:51 AM »
na pm mo na ba si ferd
sabi ni sir tony meron ata siya
danny

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Re: 400watts amp:from indonesia, imitated by westrak philippines
« Reply #241 on: February 13, 2010, 05:48:51 AM »

Offline tony

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Re: 400watts amp:from indonesia, imitated by westrak philippines
« Reply #242 on: February 13, 2010, 10:46:16 AM »
@vince, Merong upcoming group buy sa diy audio.....abangan mo na lang....or fire me an email and i will refer you to a guy in hongkong, he will be able to help you....
you can mail me at antonio.tecson@kentech.ie
* you simulate a circuit because you know how it works and wants to tweak, not because you want to learn how that circuit works....
simulations do not teach you to be circuit smart...it comes with experience....
*audio power amps are also subject to the laws of thermodynamics, no escaping it....
*do not judge any amp by its schematics, drawing lang yon, look instead at the finished amp, it tells a lot about the amp and its builder.....
http://ronelex.com/bias-current-output-transistor-amplifier/156

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Re: 400watts amp:from indonesia, imitated by westrak philippines
« Reply #242 on: February 13, 2010, 10:46:16 AM »

Offline EMX_007

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Re: 400watts amp:from indonesia, imitated by westrak philippines
« Reply #243 on: May 24, 2010, 10:37:02 PM »
     Sir  Rogerjuvy  What The Secondary Voltages  and current the Transformer of your Westrak Power Amp
     using 300 Watts at Ilan Pair yun Power Transistor..?

     

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Re: 400watts amp:from indonesia, imitated by westrak philippines
« Reply #243 on: May 24, 2010, 10:37:02 PM »

Offline rogerjuvy

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Re: 400watts amp:from indonesia, imitated by westrak philippines
« Reply #244 on: June 29, 2010, 02:18:58 PM »
     Sir  Rogerjuvy  What The Secondary Voltages  and current the Transformer of your Westrak Power Amp
     using 300 Watts at Ilan Pair yun Power Transistor..?

     
   50-0-50 20amps  6power trannies per channel, enough to drive four ohms,  but you can increase it to 60 but add more power trannies to be on the safe side
pinakapogi sa lahat...walang kokontra,.....

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Re: 400watts amp:from indonesia, imitated by westrak philippines
« Reply #244 on: June 29, 2010, 02:18:58 PM »

Offline tony

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Re: 400watts amp:from indonesia, imitated by westrak philippines
« Reply #245 on: July 03, 2010, 05:42:57 PM »
Up ko lang po... still looking for leach amp pcb.

merong impending group buy ngayon sa diyaudio, check it out....board will now cost around 19.50 per, pero imho okey lang....mura pa rin yon, considering na yung build quality at kapal ng board, 20z pa.....:)
* you simulate a circuit because you know how it works and wants to tweak, not because you want to learn how that circuit works....
simulations do not teach you to be circuit smart...it comes with experience....
*audio power amps are also subject to the laws of thermodynamics, no escaping it....
*do not judge any amp by its schematics, drawing lang yon, look instead at the finished amp, it tells a lot about the amp and its builder.....
http://ronelex.com/bias-current-output-transistor-amplifier/156

Offline ghomer

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Re: 400watts amp:from indonesia, imitated by westrak philippines
« Reply #246 on: July 12, 2010, 01:48:13 AM »
mag masters how much po ba abutin ng amp na ito??

OR how much pu kaya abutin ng 300WRMS na mono amp pang bass lang po can drive 4ohm load para sa 2 sub ko.. bale kung 300W @ 8ohm load tama po ba magiging 600W @ 40hm load?

mono lang po mga master..

Offline john_xd

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Re: 400watts amp:from indonesia, imitated by westrak philippines
« Reply #247 on: August 01, 2010, 08:15:47 AM »
ang hirap pa lang humanap nag 50-0-50v/15 to 20 amps na transformer dito sa amin.

Offline jiggins20

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Re: 400watts amp:from indonesia, imitated by westrak philippines
« Reply #248 on: August 01, 2010, 11:18:56 AM »
mgpasadya ka ng gawa sis...
Audio amp addict

Offline ghomer

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Re: 400watts amp:from indonesia, imitated by westrak philippines
« Reply #249 on: August 01, 2010, 10:39:41 PM »
mga master how much po ba ang abutin o estimate ng REAL 500watts RMS na amp stereo or mono amp that can drive 4ohm load?? pang outdoor application po,,

plan ko po kasi bumili ng crell CA-6 600watts into 8 ohm 900w into 4 ohm.. nasa 20 k po xa mga master..

payo naman poh.. tnx..

Offline tony

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Re: 400watts amp:from indonesia, imitated by westrak philippines
« Reply #250 on: August 02, 2010, 09:44:29 AM »
you can pm pilyo....
* you simulate a circuit because you know how it works and wants to tweak, not because you want to learn how that circuit works....
simulations do not teach you to be circuit smart...it comes with experience....
*audio power amps are also subject to the laws of thermodynamics, no escaping it....
*do not judge any amp by its schematics, drawing lang yon, look instead at the finished amp, it tells a lot about the amp and its builder.....
http://ronelex.com/bias-current-output-transistor-amplifier/156

Offline ghomer

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Re: 400watts amp:from indonesia, imitated by westrak philippines
« Reply #251 on: August 02, 2010, 10:07:10 AM »
i've texted him already, no responce..  :-[

by d way sino po ba may alagang crell power amp jan? any feedback naman po sa crell power amp? tyue rms kaya to? kadalasan gsmit din po sa mga mobile setups.

tnx poh..

Offline labgruppen

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Re: 400watts amp:from indonesia, imitated by westrak philippines
« Reply #252 on: August 02, 2010, 01:29:42 PM »
i've texted him already, no responce..  :-[

by d way sino po ba may alagang crell power amp jan? any feedback naman po sa crell power amp? tyue rms kaya to? kadalasan gsmit din po sa mga mobile setups.

tnx poh..


crell CA20 user here, so far so good.  Yun nga lang, di ko pa na-bebench test to see the numbers kasi walang akong equipment. But it will beat a similarly priced na major brand amp (brand new price that is). We use it for subs duty. Haven't heard it full range at high power, but at low power full range (driven by mp3 player) the mids and highs sounds good din.

Offline ghomer

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Re: 400watts amp:from indonesia, imitated by westrak philippines
« Reply #253 on: August 03, 2010, 12:20:20 PM »
for sub use lang din sir..

Crell CA-6 600watts 8ohm 900W 4ohm 20K,pwde?

tnx sir labgrupen.. YUNG PLM14000 mo crush na crush ko yun.. ahahaha


Offline labgruppen

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Re: 400watts amp:from indonesia, imitated by westrak philippines
« Reply #254 on: August 03, 2010, 12:30:45 PM »
for sub use lang din sir..
Crell CA-6 600watts 8ohm 900W 4ohm 20K,pwde?
tnx sir labgrupen.. YUNG PLM14000 mo crush na crush ko yun.. ahahaha
di ko alam ang current price e.. saan yung 20k? nagtanong ka na ba sa iba?
yup, ganda nga on paper yung PLM series.. pangarap ko rin yun. hehe

Offline ghomer

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Re: 400watts amp:from indonesia, imitated by westrak philippines
« Reply #255 on: August 03, 2010, 05:02:11 PM »
may nakita ako sa website nagsusulier ng KESLER,CRELL,SVENTA..

sobrang lapit lang RAON sa office ko sir kaya maraming choice..
baka sa iba 20k pataas yung crell Ca-6.

pero kung alam ko yung pilyo amp, baka talunin yang crell CA20 mo sir..
check this out
Single marcopilyo DIY amp4v2 on quad 18inch subzeros .AVI

amp4v2 lang yan meron pang amp1, amp2, amp3.. hehe

Offline /

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Re: 400watts amp:from indonesia, imitated by westrak philippines
« Reply #256 on: August 03, 2010, 05:21:12 PM »
wow astig...

patambay nga ako dito..

Offline labgruppen

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Re: 400watts amp:from indonesia, imitated by westrak philippines
« Reply #257 on: August 03, 2010, 05:48:19 PM »
may nakita ako sa website nagsusulier ng KESLER,CRELL,SVENTA..

sobrang lapit lang RAON sa office ko sir kaya maraming choice..
baka sa iba 20k pataas yung crell Ca-6.

pero kung alam ko yung pilyo amp, baka talunin yang crell CA20 mo sir..
check this out
Single marcopilyo DIY amp4v2 on quad 18inch subzeros .AVI

amp4v2 lang yan meron pang amp1, amp2, amp3.. hehe

siguro, pero sa applications namin di pa namin namamax-out yung ca-20. we have yet to see the clip light turn on. we only drive our subs 'lightly' to prevent the onset of power compression. we don't have plans to buy more powerful amps, mahal din kasi ng sd18-el na speakers. but if the price of pilyo amp compared to crell ca-20 is like the price of crell ca-20 compared to crest audio ca18, then it is quite tempting to have one of those pilyo amps if they really are more powerful than ca20.. else wishlist remains with labgruppen fp+ or PLM series..
by the way try to contact

ML RAPACON MARKETING
2/F Armon's Building 142 C Kamias Road Corner Anonas Street
East Kamias Quezon City Metro Manila
Phone: +63(2)9295456

for your ca6, you might be able to haggle for a better deal than most raon stores.


Offline ghomer

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Re: 400watts amp:from indonesia, imitated by westrak philippines
« Reply #258 on: August 03, 2010, 05:51:13 PM »
asteg talaga.. amp2 bibilin ko 9.5k 250wrms-2kw peak

yung amp4v2 nasa 3.5k 150RMS - 1kw.. yung nasa vid torture test yun sa amp4 ni sir pilyo di manlang naginit. yung guy dun yun ata yung Dj may ari ng mobile, amp3 ata kinuha nya.

IMGAINE apat na subzero 1KW each @ 8ohm= 2ohm

pero MONO power amp palang to ha.. @ 9k TRUE RMS rating


Offline ghomer

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Re: 400watts amp:from indonesia, imitated by westrak philippines
« Reply #259 on: August 03, 2010, 06:01:15 PM »
@ sir labgrupen,

yes sir.. if sakali pwde kau mag'audition kila sir pilyo, much better kung dalin mo narin mga subs mo sir.

ngtanong tanong din ako sa iba kung magkano abutin ng MONO amp na TRUE RMS rating mag 300wRMS abutin din daw ng 9-10 dipende pah..

naka'4ohm kb sir sa CRELL mo or tig 8ohm lang?

Philippine Electronics Forum

Re: 400watts amp:from indonesia, imitated by westrak philippines
« Reply #259 on: August 03, 2010, 06:01:15 PM »

 

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