Be careful to make this amplifier, Risk is your own, Okay Brother
Update!!!!
Some line is mistake,so I change like this
BOTTOM LINE
UPDATE!!!! fix some bugs 2 June 2018
1. some line have blunders
2. Remove IC 7812 to transistor.
3. add dc 12 V with transistor BD 139,output DC for more stable.
4. much more adding
5. enjoy for the sound and music.!
You can see at the bellow " click image to enlarge view "!!!
BOTTOM
BOTTOM MIRROR
SILK SCREEN
SILK SCREEN MIRROR
Suggestion
# IMPEDANCE power for this SUB-WOOFER OUTPUTS 70 watt # use 2 woofer as sub-woofer maximum 6 inch if you have an sub-woofer you can use 8 inch sub-woofer
# transformer 3 until 5 Ampere PURE 18v-0- 18v recommended
# use diode 3 until 4 Ampere
# uses two satellites
# enjoy......
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