ඉලෙක්ට්‍රොනික් කාරයො මේ ඈම්ප් එක ගැන මොකද හිතන්නේ?

[TonyMontana83]

diodes walata kalin AC - RMS eka mesure karala balanna...path eke diodes dekak tiyenawa nam 0.7*2 drop wenawa...caps podi unot eeth drop wenawa..

load eka add weddi voltage drop wenne nadda machan ethakota?

 

[ek_rosh]

load eka add weddi voltage drop wenne nadda machan ethakota?

3 - 5 amp transformer ekak daala, hoda cap set ekak dammoth awulak na...caps awul nam drop wei

 

[pavithra_uk]

uTube amp hodai

eka thama scene eka. hamathanama kiyana "warmth" effect eka experience karala balanna asai. kohomath jazz, rock walatane tube amps popular. guitar amps walatath tube use wenawalu sahenna..

---

eka thama, 18-018 hoyaganna bariwei wage. 12 24 36 nam thiyenawa. mekata toroidal nathuwa regular transformer ekak use karanna puluwanda machan?
------ Post added on Dec 19, 2024 at 11:25 PM

15Vx2 5-8A wage transformer ekath awlak ne real amp rating thina hoda quality ekak nam. caps walata 4700mfd 35V caps 2k parallel karala 4k danna.

 

[TonyMontana83]

3 - 5 amp transformer ekak daala, hoda cap set ekak dammoth awulak na...caps awul nam drop wei

thanks machan. mn hithanne minimum 5A danna wenawa danawa nam. toroidal or EI core.
3A nam madi wenawa. class AB wala heat ekatath sahena power ekak nasthi wenawane. ekath transformer eken denna epai
cap bank eken thama gema gahanna wenne.

---

uTube amp hodai


15Vx2 5-8A wage transformer ekath awlak ne real amp rating thina hoda quality ekak nam. caps walata 4700mfd 35V caps 2k parallel karala 4k danna.

tube preamp ekak order karanna one ali eken.

transformer eke price eka anik okkoma components walata wada wadi wenawa.
tube amp ekawath echchara wenne na
------ Post added on Dec 20, 2024 at 11:14 PM

 

[ek_rosh]

thanks machan. mn hithanne minimum 5A danna wenawa danawa nam. toroidal or EI core.
3A nam madi wenawa. class AB wala heat ekatath sahena power ekak nasthi wenawane. ekath transformer eken denna epai
cap bank eken thama gema gahanna wenne.

---

25w peak per channel unath 50w total. with 50% (AB more efficient than 50%) efficiency 100W required. ( 18+18 ) * 3a = 108w..

anyway, afford karanna puluwan nam 5A better. Mininum 3A. the bigger the better in PSU

 

[TonyMontana83]

25w peak per channel unath 50w total. with 50% (AB more efficient than 50%) efficiency 100W required. ( 18+18 ) * 3a = 108w..

anyway, afford karanna puluwan nam 5A better. Mininum 3A. the bigger the better in PSU

5A balamu. mata seka 18-0-18 transformer ekak hoyaganna puluwan weida kiyala..
toroidal expensive wadi wage nam normal EI core ekak dammata awulak na neda bn?

 

[ek_rosh]

5A balamu. mata seka 18-0-18 transformer ekak hoyaganna puluwan weida kiyala..
toroidal expensive wadi wage nam normal EI core ekak dammata awulak na neda bn?

EI awulak na..... toro wala advantage eka thiyenne, watts same watts gaanata less bulky n little more efficient.

 

[TonyMontana83]

EI awulak na..... toro wala advantage eka thiyenne, watts same watts gaanata less bulky n little more efficient.

efficiency is not a concern for me here. what worries me is electromagnetic interference

 

[ek_rosh]

efficiency is not a concern for me here. what worries me is electromagnetic interference

hariyata placement karama awulak na... oni nam metal shield ekak danna puluwan in between but no real need. Covered EI evat tiyenawane..

 

[TonyMontana83]

hariyata placement karama awulak na... oni nam metal shield ekak danna puluwan in between but no real need. Covered EI evat tiyenawane..

I see. දැනට නම් මගෙ ප්‍රශ්න ඔක්කොම වගේ විසඳුනා. ඕඩර් කරපු බඩු ටික ආවම කොටුවෙන් ට්‍රාන්ස්ෆෝමරයක් හොයන් ඉතුරු ටික කරල බලමු ප්‍රතිඵල කොහොමද කියල. බොහොම ස්තූතියි