Power Amp help

venuscreats

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Dec 3, 2007
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Ganemulla
mama professional power amp eka hadannna innawa.. ekata denata board eka gaththa..

power amp hadana aya innawa nam help eka ona.. :)

1.casing ganne kohenda?
2.parts ganna honda koheda?
3.power amp ekata ena sockets monawada?

:yes:
 

rajitha_ks

Well-known member
  • Jan 13, 2009
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    forget it man.. if you want a good professional power amp buy a second hand high quality amp.. they are not that expensive.. i bought myself a rotel RB870 power amp + RC870 control amp combo for 18000 rupees.. coupled with my yamaha speakers it sounds absolutely awesome..:cool:

    You can't find precision resistors and high quality capacitors (Nichicon or Matsushita) in sri lanka

    4361-rot_RB-870BX.jpg

    Z

    Rotel_RB-870BX_int3_635x434_pixels.gif


    344205-ampli_rb890_and_rc870bx_preamp.jpg


    the images are from the internet, but i've got the exact same rig
     
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    venuscreats

    Member
    Dec 3, 2007
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    Ganemulla
    1000w RMS wage ekak hadannada bun?

    ow machan 1500w wage ekak gahannna.. eth machan dan parts , board ok.. eth casing hoya ganna be hari yana.. ehema pettah wala wath ganna set une ne.. mata ona honda gage ekaka ekak.

    thanks :)

    forget it man.. if you want a good professional power amp buy a second hand high quality amp.. they are not that expensive.. i bought myself a rotel RB870 power amp + RC870 control amp combo for 18000 rupees.. coupled with my yamaha speakers it sounds absolutely awesome..:cool:

    You can't find precision resistors and high quality capacitors (Nichicon or Matsushita) in sri lanka

    4361-rot_RB-870BX.jpg

    Z

    Rotel_RB-870BX_int3_635x434_pixels.gif


    344205-ampli_rb890_and_rc870bx_preamp.jpg


    the images are from the internet, but i've got the exact same rig

    machan.. mama balanne 1000w walata eha ekak.. itihn ehema ekak used ekak gannath over 35k wage neda? umba aduwata ganna place dannawda? please help...:yes:
     

    dmtx

    Well-known member
  • Dec 1, 2011
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    ඔකේ පාර්ට්ස් විශේශයෙන් ට්‍රාන්සිස්ටර් ඔරිජිනල් ජපන්, හරි ජර්මන් එක හොයලා දාපන් කොහොම හරි චයිනිස් එක දාල නම් දුවන්න අමාරුයි බන්..
    චයිනිස් දානවනම් වොල්ටෙජ් පොඩ්ඩක් අඩුවෙන් දෙන්න වෙන්නේ
    උබට පයිනියර් වගේ එකක් හොයලා ගන්න තිබේ බන් මම නම් කියන්නේ.
    ඔය ජපන් වලින් අයිටම් එවන තැන් වල පොඩ්ඩක් බලපන්
     

    Lakshan-Seram

    Well-known member
  • May 31, 2011
    24,765
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    127.0.0.1:8080/Kandy
    Mama school yana kale 11 wasaredi ekak heduwa... 200w x 2 ekak.. PMPO wenna one ;) transistor dala heduwe (MJ2955 x 4, 2N3055 x 4 ).. patteta sound tibba.. hebei mata a kale loku transformer ekak ganna beri una.. sadde full danakota crackling noise ekak awa.. hebei ithin 100W speakers dekatama kela una..

    Mage gawa tawama tiyenawada kohedo eka.. Poddak hitapan wisikkarala tibba hoyala balanakan ;)

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    Mama nam kiyanne hadanna yanna epa loku ganak wiyadam karala.. Used ekak wage ganna hoda japan ekak.. :)
     

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    miyuru4u

    Well-known member
  • Jan 18, 2007
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    In the eyes of my girl
    mamat 100w wage ekak haduwa bun school yana kale

    kochara hodata haduwat wadak na bun original quality ganna ba

    eka nisa owa hadana yanna epa kohen hari awulak enawa

    used ekak hari wena hoda ekak hari hoyala ganin
     

    venuscreats

    Member
    Dec 3, 2007
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    Ganemulla
    පැටියා;17838657 said:
    Class D ගහපං හද්ද පරන ජරාව ගන්න එපා efficiency හොඳම Class D
    ela..
    ඔකේ පාර්ට්ස් විශේශයෙන් ට්‍රාන්සිස්ටර් ඔරිජිනල් ජපන්, හරි ජර්මන් එක හොයලා දාපන් කොහොම හරි චයිනිස් එක දාල නම් දුවන්න අමාරුයි බන්..
    චයිනිස් දානවනම් වොල්ටෙජ් පොඩ්ඩක් අඩුවෙන් දෙන්න වෙන්නේ
    උබට පයිනියර් වගේ එකක් හොයලා ගන්න තිබේ බන් මම නම් කියන්නේ.
    ඔය ජපන් වලින් අයිටම් එවන තැන් වල පොඩ්ඩක් බලපන්
    ow ban math kemathi used ekak ganna.. eth bn hena ganan ne 1000 w ekak unath.. 30k wath ona.. :(

    hadanna epa original 1k ganna second hand..kari gaanak wei italy baduwaknam
    ow ban math kemathi used ekak ganna.. eth bn hena ganan ne 1000 w ekak unath.. 30k wath ona.. :(

    Mama school yana kale 11 wasaredi ekak heduwa... 200w x 2 ekak.. PMPO wenna one ;) transistor dala heduwe (MJ2955 x 4, 2N3055 x 4 ).. patteta sound tibba.. hebei mata a kale loku transformer ekak ganna beri una.. sadde full danakota crackling noise ekak awa.. hebei ithin 100W speakers dekatama kela una..

    Mage gawa tawama tiyenawada kohedo eka.. Poddak hitapan wisikkarala tibba hoyala balanakan ;)

    attachment.php
    attachment.php
    attachment.php
    attachment.php


    Mama nam kiyanne hadanna yanna epa loku ganak wiyadam karala.. Used ekak wage ganna hoda japan ekak.. :)
    ela good work.. :D

    mamat 100w wage ekak haduwa bun school yana kale

    kochara hodata haduwat wadak na bun original quality ganna ba

    eka nisa owa hadana yanna epa kohen hari awulak enawa

    used ekak hari wena hoda ekak hari hoyala ganin

    hena ganan ne 1000 w ekak unath.. 30k wath ona.. :(

    THANKS FOR ALL BUMPS..
     

    mag123

    Well-known member
  • Jan 20, 2008
    5,584
    1,794
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    Mama school yana kale 11 wasaredi ekak heduwa... 200w x 2 ekak.. PMPO wenna one ;) transistor dala heduwe (MJ2955 x 4, 2N3055 x 4 ).. patteta sound tibba.. hebei mata a kale loku transformer ekak ganna beri una.. sadde full danakota crackling noise ekak awa.. hebei ithin 100W speakers dekatama kela una..

    Mage gawa tawama tiyenawada kohedo eka.. Poddak hitapan wisikkarala tibba hoyala balanakan ;)

    attachment.php
    attachment.php
    attachment.php
    attachment.php


    Mama nam kiyanne hadanna yanna epa loku ganak wiyadam karala.. Used ekak wage ganna hoda japan ekak.. :)

    Habai meka either clase A or Class AB, seems there is no switching controller in the above pcbs for class D..
     
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