aw99Download scientific diagram | Typical 1st bond SEM images of the AW99 wire at 50µm pad pitch. from publication: Development of New Ultra-hh Stiffness Gold Bonding Wire | Driven byPictured here we have the coolest of the cool- a very gently used Mahaffay AW99 Guitar amp head in black. Tube amp. 33W. Comes with power cord. In excellent condition and very clean!