Description
OEP’s J30A19C- Microphone Input Transformer for High impedance amplifiers
Input signal 9dBu max (20Hz) <1%THD
CLICK HERE for the Product DATA SHEET
J30A19C Electrical characteristics
- Turns ratio: 1 to 7
- Impedance ratio: 200Ω to 10kΩ
- Input signal 9dBu max (20Hz) <1%THD
- DC resistance (Ω +/-15%)
- Primary: 26.7
- Secondary: 1540
- Open circuit input impedance @ 50mV (Ω) : 3.74k @ 20Hz
- Voltage gain @ 1kHz, 0dBu: 14.57 dBu (typ.)
- Leakage inductance @ 1kHz, 50mV: 34mH (typ.) (6+10 S/C)
- Capacitance @ 10kHz, 0.1V):
- Cp-s: 17pF (typ.) with screen earthed
- Cp-scr: 345pF (typ.)
- Cs-scr: 445pF (typ.)
- Hi-pot, primary to secondary: 500VDC
- windings to can: 500VDC
- Fitted with multiple electrostatic screens
- Low distortion Mu-metal core
- Mu-metal screening can reduces electrical noise by up to 30dB
- YY WW = date code
- Applications:
- High impedance amplifiers
- Galvanic isolation (500V DC)
- Operating temperature range: 0 to +70 C
- Storage temperature range: -25 C to +120 C
OEP’s microphone input transformers encompass a variety of specialised audio transformers meticulously designed and manufactured at OEP’s factory facilities in Oxford. The combination of design and manufacturing proficiency enables OEP to exercise precise control over the production process, guaranteeing that each microphone input transformer adheres to the stringent specifications set by its designer. This commitment to build quality directly influences the transformer’s efficiency, resulting in outstanding sound quality and reliability.
- Brand: Oxford Electrical Products (CARNHILL GROUP)
- OEP: founded in 1982
- Made in BRITAIN (Oxford)
Oxford Electrical Products has established itself as a globally trusted brand for the design and manufacture of transformers and power supplies.
