horn speaker step down transformer Circumstance temp:0~40 degree Appearance and dimension: as image low loss,high effencie

step down transformer:

1.     machine-inserted silicon steel with fire ralardation

2.     Flame Retardant Nylon Bobbin3

3.     equipment: 3EI type transformer lines,4 sets of vacuum annealing furnaces

Normal EI Pin Transformer Specifications :

1.     machine-inserted silicon steel with fire ralardation

2.     Flame Retardant Nylon Bobbin3

3.     equipment: 3EI type transformer lines,4 sets of vacuum annealing furnaces

horn speaker loudspeaker step down transformer