Description
Moving Coil Step-up Transformer – OEP’s A187A16C/1 Moving Coil Phono Cartridge Step-up transformer – For matching low impedance mc phono cartridges to transistor or valve pre-amps
CLICK HERE for the Product DATA SHEET
A187A16C/1 Electrical characteristics
- Turns ratio: 1 C.T. to 7 or 10
- Input impedance range: 3Ω to 100Ω
- Output (primary loaded with 100Ω): 19.2kΩ
- Voltage gain (-20dBu ,1kHz): 19.48dBu (typ.)
- Maximum input @ 20Hz for <1% THD: -4.6dBu
DC resistance (Ω+/-15%)
- (4 – 1): 19.6
- (5 – 8): 647
Leakage inductance
- Leakage Inductance @ 3kHz, 0.1V
- (5 – 8): 38mH (typ.) (1, 2 & 3 S/C)
Interwinding capacitance @ 10kHz
- (4 – 1) to (5 – 8): 157pF typ.
- (4 – 1) to (5 – 8): 28pF typ. with screens and can earthed
- (4 – 1) to screen: 255pF typ.
- (5 – 8) to screen: 255pF typ.
Features
- Matching low impedance moving coil phono cartridges to transistor or valve pre-amps
- Multiple electrostatic screens
- Encapsulated in a mu-metal screening can that provides up to 30dB of magnetic shielding
Proof voltages
- Primary to secondary: 250V DC
- Windings to screens: 250V DC
- Operating temperature range: 0 to +70C
- Storage temperature range: -25C to +120C
OEP’s 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.
