Block fl pcb mount low profile transformers 2 x 115v block fl 89 this block fl pcb mount low profile transformer 8va 2 x 115v to 2 x 9v has been designed with a low height and is unconditionally short circuit proof this high quality transformer is also equipped with double inputoutput voltage for series or parallel connection while boasting permanent corrosion protection high insulation value and maximum electrical reliability thanks to xtradensifill resin encapsulation vacuum casting