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Product Detailed Parameters
- Description：AUDIO XFMR 600 / 600 CHAS MNT
- Series：1140
- Mfr：Hammond Manufacturing
- Package：Bulk
- Mounting Type：Chassis Mount
- Size / Dimension：1.700" L x 1.190" W (43.18mm x 30.23mm)
- Height - Seated (Max)：1.380" (35.05mm)
- Termination Style：Wire Leads
- Turns Ratio - Primary:Secondary：1:01
- Impedance - Primary (Ohms)：600
- Impedance - Secondary (Ohms)：600
- DC Resistance (DCR) - Primary：40Ohm
- DC Resistance (DCR) - Secondary：40Ohm
- Transformer Type：Line (Audio Power Distribution)
- Frequency Range：20Hz ~ 20kHz
- Frequency Response：-
- Voltage - Isolation：200V
- Insertion Loss：-
- Return Loss：-
- Power Level：-
- Operating Temperature：-
- Approval Agency：-
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Overview
The Hammond Manufacturing 1140-LU-C is a single-channel audio line output transformer designed for chassis mounting. It features a 600 to 600 impedance ratio with a primary impedance of 680 ohms and a secondary impedance of 80 ohms. The unit utilizes a nickel alloy core material to ensure high performance and wide bandwidth, supporting a frequency response from 20 Hz to 20 kHz. Electrical characteristics include a primary coil resistance of 40 ohms and a secondary coil resistance of 40 ohms. The physical dimensions are 3.25 inches in length, 1.55 inches in width, and 1.95 inches in height, with wire lead termination.
Feature Summary
- Utilizes nickel alloy cores for high performance and wide bandwidth capabilities
- Designed specifically for line output applications with a 600 to 600 impedance ratio
- Supports a frequency response range of 20 Hz to 20 kHz
Applications
- Chassis mount audio systems
- Line output signal transformation
- Professional audio equipment integration
Procurement Notes
Verify the specific suffix designation when ordering, as variations within the 1140-LU series may differ in secondary impedance or physical dimensions. Confirm that the 80-ohm secondary specification aligns with the target circuit requirements. Ensure compatibility with MIL-C-11015 standards if military-grade qualification is required for the application environment.
Selection Notes
Select this model when a 600-ohm primary to 80-ohm secondary impedance match is required for line-level audio signals. Consider the chassis-mount form factor and wire lead termination for mechanical integration. Evaluate the nickel alloy core benefits for applications demanding stable frequency response across the audible spectrum without significant phase shift.
Part Context
This component belongs to the 1140 series of audio transformers manufactured by Hammond Manufacturing. The series includes variants such as 1140-LU-A, 1140-LU-B, and 1140-LU-E, which share similar core technologies but differ in impedance ratios and physical housing sizes. The 1140-LU-C is distinguished by its specific 80-ohm secondary winding configuration.
Replacement Considerations
The 1140-LU-E serves as a dimensional alternative within the same series, offering identical electrical specifications including the 600-to-600 impedance ratio and 80-ohm secondary impedance. Verify that the reduced physical footprint of the LU-E variant fits the available chassis space before substitution.
