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power horn repair Radioshack: Horn/mike is a useful sound system in our Life. we use horn sound for announcing. speaker system can’t make the Loud sound. Horn can make so loud tone. A horn loudspeaker is a loudspeaker element which uses an acoustic horn to increase the efficiency of the …

1000 watts amplifier making diagram: Every transistor amplifier circuit diagram is the same. the only difference is the main transistor and voltage. 2 transistor circuit diagram and 12 transistor circuit diagram are the same, only the transistor is more and we use more power. like as for 2 transistors we use 35-0-35 …

 Electronic weight machine repairing with video? An electronic weight machine is an easy way to know about ours or good’s weight. Really it’s so important in our daily life. Everywhere we have to use a Weight machine. Many kinds of electronic Weight machine have. Today we repair a Weight machine …