Check the listing for details. USA 600 : 600 Ohm 1:1 EI14 Isolation Transformer Audio Transformers N207 20Pcs. Condition: New. Listed at 13.65 USD. Features: Selection of high quality material, work stable, practical convenience, and with long severing life. EMC, EMI, high voltage, stable performance. These isolation transformers are all high efficiency audio transformers. The primary and secondary windings are tightly coupled, there is sufficient pass frequency band, the original winding inductance is large, the leakage inductance is small, can reduce the influence of the hysteresis loss. Can be used in radio communication, broadcast television, automatic control, as the component of voltage amplification, power output, etc. OftenSpecifications: Voltage ratio: 1:1 AC impedance : EI14 600 : 600 Ohm Power supply phase: single phase Moisture-proof mode: open Cooling mode: oil immersed air cooled Frequency characteristics: intermediate frequency Windability : Double-wire winding Core form: amorphous alloy Core shape: EI type Appearance structure: vertical Used to transform voltage or transform load impedance. Package Included: 20pcs Audio Transformers On Nov 3, 2023 at 20:39:12 PDT, seller added the following information: