SEARCH
— IC芯片 | 连接器 | 传感器 | 被动器件 —
The Hammond Manufacturing 1140-MN-A is a single-channel audio signal transformer designed for microphone input applications. It features chassis mounting with wire lead termination and operates within a frequency range of 20 Hz to 20 kHz. The primary coil impedance is 1.3 kOhms with a resistance of 24 ohms, while the secondary coil impedance is 12.5 ohms with a resistance of 24 ohms. The unit utilizes a nickel alloy core and measures 2.25 inches in length by 1.069 inches in width.
Verify component authenticity through authorized distributors. Confirm datasheet alignment for electrical parameters including impedance ratios and frequency response. Ensure packaging integrity during transit to prevent damage to wire leads. Cross-reference manufacturer part numbers to avoid substitution errors.
Select this model for applications requiring specific impedance matching between microphones and input stages. Evaluate physical dimensions against available chassis space. Consider the nickel alloy core properties for signal fidelity requirements. Verify terminal compatibility with existing wiring harnesses before integration.
This component belongs to the Hammond Manufacturing 1140 series of audio transformers. These units are engineered for professional audio environments where reliable signal transfer is critical. The series provides standardized solutions for impedance conversion in microphone preamplifier interfaces.
No public confirmed substitute part numbers are available.