Рет қаралды 18,162
transformer core - 7no
stag - 5inchs
primery coil for 230v - 180 turns (15 no swg)
1st secondary coil for 70- 0- 70 - (55 turns + 55turns) 14no swg
2nd secondary coil for 70 - 0 - 70 (same to 1st secondary coil)
12 v for speaker protection circuit - 10 turns (20swg)
thank you