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Wednesday, 10 July 2013

Audio Amplifier - 2N3055 MJ2955

 dvbot     02:51     150W, 2N3055, A564, amplifier, audio amplifier, C1162, cheap, D438, diy, easy, MJ2955, simple amplifier, transistor     No comments   

Here is A amplifier with 2n3055 transistors on its output for those of you that are looking at doing a bang for buck amplifier with all those 2n3055 lieing around that as most electronics guys think when they look in there old box there must be something I can do with this stuff.


Audio Amplifier circuit using 2N3055 MJ2955, A564, D438, C1162




Audio Amplifier circuit using 2N3055 MJ2955, A564, D438, C1162
R1 ………… 100K
26 ………… 30K
27 ………… 560
4 …………. 10K
5 …………. 1K
8 …………. 2K4
9 …………. 4K7
10 11 12 …… 100
13 14 ……… 300
15 16 ……… 0.5 5v
C1 ………… 100n
2 …………. 47uF
3 …………. 100pF
D1234 ……… IN414
Q124 ………. A564
5 …………. D438
6 …………. C1162
7 …………. MJ2955
8 …………. 2N3055


This is an easy to make power supply which has stable, clean and regulator 0-28V 6/8 Amp output voltage. By using two 2N3055 transistors we become more then 2 times the amount of amps then the power supply delivers, making it real though to brake ;). Although you could use this design to deliver 20 amps (with almost no modifications and with a proper transformer and a huge heat sink with a fan), I did not needed such much power. Make sure you mount them on a huge heat sink, as the 2N3055 transistors can get very hot at full load.

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