1 + 1 + 1 +1 : 37 Permalloy transformer
Gerneral Purpose Audio Isolation Transformer
Features:
Microphone transformers are normally used for impedance matching.
At mic preamp input circuits to match microphones to preamp.
In tube microphones for matching high impedance tube circuits to normal output impedance.
Dimension(mm):
Electric Schematic:
Electrical Parameters:
| Turns ratio: | 1 + 1 + 1 +1 : 37 |
| Static resistance of each primary(average): | 1.6 OHM |
| Static resistance of secondary: | 65 OHM |
| Each group of primary inductance(average): | 35mH 100Hz |
| Series inductance of four primary windings(average): | 560mH 100Hz |
| Secondary inductance: | 60H 100Hz |
| Primary overcurrent: | 25mA |
| Frequency response: | 10Hz-135kHz -1.5dB |