ITEM NAME:10pcs audio transformer 600:600 ohm 1:1 EI14 isolation transformer ringingME Specification: Brand new Color: Red Model: EI14 Material: Nickel alloy AC impedance: EI14 600 : 600 Ohm Item: Audio transformer Inductance: 290mH ( ±20%) DC resistance: 135( ±%) Windability: Double-wire winding Quality &wire diameter: QA-1 0.06MM Primary coils: 800 turns Secondary coils: 800 turns Alternating-current impedance value: 600 Selection of quality, long life EMC, EMI, high pressure, stable performance High efficiency transformer Package included: 10 x audio transformers Note: Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same.Model: EI14. AC impedance: EI14 600 : 600 Ohm. Inductance: 290mH ( ±20%). Alternating-current impedance value: 600. DC resistance: 135( ±%). Selection of quality, long life. Secondary coils: 800 turns.