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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：1.450" L x 1.063" W (36.83mm x 27.00mm)
- Height - Seated (Max)：1.190" (30.23mm)
- Termination Style：Wire Leads
- Turns Ratio - Primary:Secondary：1:01
- Impedance - Primary (Ohms)：600
- Impedance - Secondary (Ohms)：600
- DC Resistance (DCR) - Primary：58Ohm
- DC Resistance (DCR) - Secondary：58Ohm
- Transformer Type：Line (Audio Power Distribution)
- Frequency Range：20Hz ~ 20kHz
- Frequency Response：-
- Voltage - Isolation：250V
- Insertion Loss：-
- Return Loss：-
- Power Level：-
- Operating Temperature：-
- Approval Agency：-
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Overview
The Hammond Manufacturing 1140-LU-B is a studio-grade audio transformer designed for line output applications. It features a chassis mount configuration with wire lead termination and a single channel architecture. The unit utilizes a nickel alloy core to ensure high performance and wide bandwidth, achieving a frequency response of 20 Hz to 20 kHz with a tolerance of ±0.35 dB. The primary impedance is specified at 600 ohms, while the secondary impedance is also 600 ohms, providing a 1:1 impedance ratio. This component is engineered for precise impedance matching in professional audio environments.
Feature Summary
- Designed with nickel alloy cores for high performance and wide bandwidth
- Provides studio-grade impedance matching for professional audio applications
- Engineered for chassis mounting with wire lead termination
Applications
- Line output stages in professional audio equipment
- Studio-grade impedance matching circuits
- Chassis-mounted audio signal transformers
Procurement Notes
Verify that the specific part number matches the required impedance specifications, as the 1140 series includes variants with differing primary and secondary impedances. Confirm the physical dimensions and mounting style align with the chassis design. Ensure the supplier provides official documentation confirming the nickel alloy core construction and frequency response characteristics to guarantee compliance with studio-grade performance standards.
Selection Notes
Select this model when a 1:1 impedance transformation is required for line-level audio signals. The nickel alloy core offers superior bandwidth compared to standard iron cores, making it suitable for high-fidelity applications. Consider the chassis mount form factor and wire lead termination when designing the enclosure layout. Verify that the 600-ohm impedance matches both the source and load requirements of the audio circuit.
Part Context
The 1140-LU-B belongs to the Hammond Manufacturing 1140 series, which specializes in studio-grade audio transformers. This series is characterized by its use of nickel alloy cores to achieve wide bandwidth and high performance. The 1140 series includes various models tailored for different impedance ratios and mounting configurations, serving as a comprehensive solution for professional audio signal processing and isolation needs.
Replacement Considerations
The 1140-LU-E is a documented substitute within the same series, offering similar chassis mount capabilities but with different impedance values (680 ohms primary, 80 ohms secondary). Verify that the impedance mismatch does not affect the audio circuit performance before substitution.
