Description
OEP’s A187A11C – Microphone Splitting Transformer Provides 2 isolated outputs for mic pre amps
Encapsulated in a mu-metal screening can that provides up to 30dB of magnetic shielding
CLICK HERE for the Product DATA SHEET
A187A11C Electrical characteristics
- Winding Turns Ratio: 1 : 1 : 1
- Input impedance*: 578Ω
- Voltage gain* (-20dBu ,1kHz): -1.2dBu (typ.)
- Maximum input* @ 20Hz for <1% THD: 1.2dBu
DC resistance ( Ω +/-15%)
-
- Primary: (2 – 1): 48
- Secondary (5 – 6) = (7 – 8): 50
Leakage Inductance
- Leakage Inductance @ 1kHz, 0.077V
- (2 – 1) : 1.62mH (typ.) (5, 6, 7, 8 S/C)
Interwinding Capacitance @ 10 kHz
- (2 – 1) to (5 – 6): 47pF typ. / 2.2pF (typ.) with screen earthed
- (2 – 1) to (7 – 8): 79pF typ. / 5.1pF (typ.) with screen earthed
- (2 – 1) to screens: 182pF (typ.)
* secondaries loaded with 1k per output
Features:
Provides 2 isolated outputs for mic pre-amps
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 +70 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.
