Features: Power tube: power tube; Circuit board: double-sided two-ounce; Stable performance; Large radiator, cooling. Shock head circuit board (ceramic transducer) Wiring instructions: 1.The board cannot charge electricity. cleaning solution cannot be excited. Cleaning.3. First two tabs, two central ceramic lugs are positive, up and down the metal column is negative, can not be reversed 4.Transducer film on the ceramic sheet coated with a layer of silver for the negative side, the other 'a large layer of silver is positive, the smaller one for the negative plate, the welding power cord should be welded on the side of the silver layer has two, the other side of the vibration can be pasted (this is available with a ceramic patch transducer instructions) in a bidet; A silver layer ceramic chip does not have a high temperature; when the temperature of the soldering iron should not exceed 280 degrees, the heating iron is used well, the iron temperature is set to 250 degrees. 5.The bigger