12V DC amplifier used 3 transistors D718 – B688 and 2N3904
Can use transistors Tip41/Tip42 and D718/B688
12V amplifier Transistor D718
Can download PCB Here: download
original size in A4 peper
ចឹងពេលដែលprint pcb boardចេញមកមិនត្រូវការប្ដូរអីណាអី
And how many watt of resistor 0.33
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