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Author Topic: WESTRAK AMP NA 500 WATTS @ 8 OHMS LOAD  (Read 46785 times)

Offline tony

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Re: WESTRAK AMP NA 500 WATTS @ 8 OHMS LOAD
« Reply #500 on: September 30, 2011, 07:15:10 PM »
pwede siguro yung me option kusng saan pwedeng biyakin yun board kung ayaw na marami ang output pairs, say groups of 3's....
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Re: WESTRAK AMP NA 500 WATTS @ 8 OHMS LOAD
« Reply #500 on: September 30, 2011, 07:15:10 PM »

Offline Mhavskie

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Re: WESTRAK AMP NA 500 WATTS @ 8 OHMS LOAD
« Reply #501 on: September 30, 2011, 07:18:20 PM »
pwede yun sir, hanggat pwede pang biyakin.. mula 1,2,3 to 6 to 10 pares  pa :D
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Re: WESTRAK AMP NA 500 WATTS @ 8 OHMS LOAD
« Reply #501 on: September 30, 2011, 07:18:20 PM »

Offline Mhavskie

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Re: WESTRAK AMP NA 500 WATTS @ 8 OHMS LOAD
« Reply #502 on: October 02, 2011, 06:23:12 PM »
almost done.





some components are added for personal use only.


itatabi ko muna hanggat hindi pa pwedeng matesting :D

dinner muna.
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Re: WESTRAK AMP NA 500 WATTS @ 8 OHMS LOAD
« Reply #502 on: October 02, 2011, 06:23:12 PM »

Offline kirk simone

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Re: WESTRAK AMP NA 500 WATTS @ 8 OHMS LOAD
« Reply #503 on: October 02, 2011, 06:43:13 PM »
balita nyo kami sir ha
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Re: WESTRAK AMP NA 500 WATTS @ 8 OHMS LOAD
« Reply #503 on: October 02, 2011, 06:43:13 PM »

Offline nick...j

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Re: WESTRAK AMP NA 500 WATTS @ 8 OHMS LOAD
« Reply #504 on: October 08, 2011, 08:05:13 PM »
 :o :owow.. ganda na ah, ;D ;D
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Re: WESTRAK AMP NA 500 WATTS @ 8 OHMS LOAD
« Reply #504 on: October 08, 2011, 08:05:13 PM »

Offline spoco

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Re: WESTRAK AMP NA 500 WATTS @ 8 OHMS LOAD
« Reply #505 on: October 10, 2011, 04:33:12 PM »
NICE!!

plus 1 sayo sis mhavskie! sana mag mag DIY nito dito..
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Offline Julio25

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Re: WESTRAK AMP NA 500 WATTS @ 8 OHMS LOAD
« Reply #506 on: October 20, 2011, 09:37:38 AM »
ganda ng lay out ah..professional look..anong software gamit mo mhavskie??
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Offline jbmobile

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Re: WESTRAK AMP NA 500 WATTS @ 8 OHMS LOAD
« Reply #507 on: November 09, 2011, 08:22:30 PM »
eto po yung gawa namin westrack..uprated na.


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Offline BhongTech

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Re: WESTRAK AMP NA 500 WATTS @ 8 OHMS LOAD
« Reply #508 on: November 09, 2011, 08:27:34 PM »
nice sir Jbmobile, ilang watts per channel?
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Offline jbmobile

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Re: WESTRAK AMP NA 500 WATTS @ 8 OHMS LOAD
« Reply #509 on: November 09, 2011, 08:33:35 PM »
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Offline BhongTech

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Re: WESTRAK AMP NA 500 WATTS @ 8 OHMS LOAD
« Reply #510 on: November 09, 2011, 08:41:33 PM »
wow plus 1 ka sir.
professional ang dating :D
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Offline jbmobile

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Re: WESTRAK AMP NA 500 WATTS @ 8 OHMS LOAD
« Reply #511 on: November 09, 2011, 08:48:21 PM »
 thanks sis bong..it took us 3mos plus to build including the chassis.. handmade ;D
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Offline Berlin C. Alcayde

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Re: WESTRAK AMP NA 500 WATTS @ 8 OHMS LOAD
« Reply #512 on: November 23, 2011, 09:06:29 AM »
Sir jb ang galing naman ng gawa mo. Ano po yung mga new updates sa ginawa mong westrak amp? Ginagawa ko itong amp ngayon gusto ko kasing gawin ang kagaya ng gawa mo. Yung drive napalitan ng malaking transistor. Ano ang part number po nito?
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Offline sp0c0

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Re: WESTRAK AMP NA 500 WATTS @ 8 OHMS LOAD
« Reply #513 on: November 23, 2011, 09:30:07 AM »
nice build sis jbmobile! +1

pa share naman po sis jbmobile ng technical info ng westrak mo.

thanks in advance! ;)
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Learning by doing..

Offline jbmobile

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Re: WESTRAK AMP NA 500 WATTS @ 8 OHMS LOAD
« Reply #514 on: November 23, 2011, 10:56:25 AM »
gawan ko muna scheme.tsako ko ipost..sad to say pero binile napo yung amps kasama na PA system..will update u ASAP
http://www.electronicslab.ph/forum/index.php?topic=29761.0
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Offline jbmobile

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Re: WESTRAK AMP NA 500 WATTS @ 8 OHMS LOAD
« Reply #515 on: November 23, 2011, 08:46:59 PM »
http://img855.imageshack.us/img855/3940/westrak70vac.jpg
 uprated westtack amp @ 70-0-70vac,2100VA psu/ch,,44,000uf/120Vdc caps per rail
check lang mga masters kung may mga mali/ further mods kelangan ,,biasing trans is C2073 :D :D
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Offline Pinoy_Tech

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Re: WESTRAK AMP NA 500 WATTS @ 8 OHMS LOAD
« Reply #516 on: November 24, 2011, 12:47:08 PM »
Napasadahan lang. Since nasa akin ang orig file inapdate ko na rin sa akin then share here.



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Offline Disabled

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Re: WESTRAK AMP NA 500 WATTS @ 8 OHMS LOAD
« Reply #517 on: November 24, 2011, 12:50:37 PM »
whats the use of 18k sa bases ng a1941 at c5198??
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Offline Pinoy_Tech

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Re: WESTRAK AMP NA 500 WATTS @ 8 OHMS LOAD
« Reply #518 on: November 24, 2011, 12:52:07 PM »
Quote from: jbmobile on November 23, 2011, 08:46:59 PM
http://img855.imageshack.us/img855/3940/westrak70vac.jpg
 uprated westtack amp @ 70-0-70vac,2100VA psu/ch,,44,000uf/120Vdc caps per rail
check lang mga masters kung may mga mali/ further mods kelangan ,,biasing trans is C2073 :D :D

Ah, sure bang may 1.5K dun sa emitter ng bias Servo? Kung meron man di ba mataas yung 1.5K?
Tanong lang bro, di kasi ako mapalagay dun.
 

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Offline jbmobile

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Re: WESTRAK AMP NA 500 WATTS @ 8 OHMS LOAD
« Reply #519 on: November 24, 2011, 02:40:05 PM »
check ko muna sa pcb mismo sis...andun sa unit mismo,,nasa shop pa kc,being cleaned.will udate later..thanx..
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Re: WESTRAK AMP NA 500 WATTS @ 8 OHMS LOAD
« Reply #519 on: November 24, 2011, 02:40:05 PM »
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