Abstract
Along with the development of technology about audio soundsystems, innovations and new designs about audio are very many, music is an entertainment that is almost every day encountered by people today, Amplifier products that are commonly marketed (finished products) are still very dominated by the outside market country. GB Power Amplifier class (Ground Bridge) is one type of power amplifier that requires a high input voltage in the audio world, the use of a combination of suitable transformers and with the output voltage transformer that is able to meet the required power capacity for the amplifier without having to search for transformer with a high output specification. So a good component selection can make the power amplifier's performance to the maximum.
Highlights
Power supplyMetodologi Melakukan eksperimen penggunaan trafo ct 1 ampere dan trafo 5 ampere sebagai sumber daya dari power amplifier dan mengamati karakteristik kualitas suara dan juga daya outputnya.
Penghitungan Daya power amplifier BTL P= V.I dimana, P = daya (VA/Watt) V = Voltase / Tegangan (Volt) I = Arus (Ampere) Vdc = Vac x 1,414 (1,414 merupakan satuan standar) Vdc = 35Vac X 1,414 Vdc = 49,49V maka P= V.I P = 49,49Vdc X 5A P = 247,45 VA/WattTrafo 5A x 35Vac (49,49Vdc) mampu menghasilkan daya sekitar 247,45 VA/Watt 35 AC = 49,49 Vdc (setelah melewati diode dan elco) dibulatkan saja menjadi 50 volt.
Apabila Transistor final 100 watt 4 pasang berarti 100 x 4 = 400 wattmaximum power amplifier Dari keterangan diatas maka dapat disimpulkan bahwa kombinasi trafo yang digunakan untuk mensuplai power amplifier class GB ini lebih efisien daya trafonya dibanding menggunakan sistem power amplifier BTL
Summary
Metodologi Melakukan eksperimen penggunaan trafo ct 1 ampere dan trafo 5 ampere sebagai sumber daya dari power amplifier dan mengamati karakteristik kualitas suara dan juga daya outputnya. Penghitungan Daya power amplifier BTL P= V.I dimana, P = daya (VA/Watt) V = Voltase / Tegangan (Volt) I = Arus (Ampere) Vdc = Vac x 1,414 (1,414 merupakan satuan standar) Vdc = 35Vac X 1,414 Vdc = 49,49V maka P= V.I P = 49,49Vdc X 5A P = 247,45 VA/WattTrafo 5A x 35Vac (49,49Vdc) mampu menghasilkan daya sekitar 247,45 VA/Watt 35 AC = 49,49 Vdc (setelah melewati diode dan elco) dibulatkan saja menjadi 50 volt. Apabila Transistor final 100 watt 4 pasang berarti 100 x 4 = 400 wattmaximum power amplifier Dari keterangan diatas maka dapat disimpulkan bahwa kombinasi trafo yang digunakan untuk mensuplai power amplifier class GB ini lebih efisien daya trafonya dibanding menggunakan sistem power amplifier BTL
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