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Product Detailed Parameters
- Description：AUDIO XFMR 8 / 25V CHAS MNT
- Series：117
- Mfr：Hammond Manufacturing
- Package：Bulk
- Mounting Type：Chassis Mount
- Size / Dimension：3.250" L x 1.750" W (82.55mm x 44.45mm)
- Height - Seated (Max)：2.000" (50.80mm)
- Termination Style：Solder Lug
- Turns Ratio - Primary:Secondary：-
- Impedance - Primary (Ohms)：8
- Impedance - Secondary (Ohms)：25V
- DC Resistance (DCR) - Primary：-
- DC Resistance (DCR) - Secondary：-
- Transformer Type：Sound Distribution
- Frequency Range：100Hz ~ 9kHz
- Frequency Response：1dB
- Voltage - Isolation：-
- Insertion Loss：2dB
- Return Loss：-
- Power Level：8W
- Operating Temperature：-
- Approval Agency：-
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Overview
The Hammond Manufacturing 117K8 is an audio line matching transformer designed for sound distribution applications. It features a primary impedance of 8 ohms and a secondary impedance of 3.2 ohms, supporting chassis mounting. The component operates within a frequency range of 100Hz to 9kHz. It utilizes quick connect termination style for circuit integration. The unit is part of the 117 series and is constructed for general-purpose use in push-pull tube output circuits.
Feature Summary
- Designed for general-purpose use and replacement in push-pull tube output circuits
- Supports sound distribution applications with line matching capabilities
- Features chassis mount installation type for secure integration
Applications
- Push-pull tube output circuits
- Sound distribution systems
- Audio line matching applications
Procurement Notes
Verify the specific impedance configuration matches the target circuit requirements before procurement. Confirm that the chassis mounting style and quick connect termination are compatible with the existing assembly infrastructure. Ensure the operating frequency range aligns with the intended audio signal bandwidth. Cross-reference the manufacturer part number to avoid confusion with similar series components.
Selection Notes
Select this component when a dedicated audio line matching solution is required for tube-based amplifier stages. The fixed impedance ratio suits standard push-pull configurations. Consider the physical dimensions and mounting constraints during the design phase. Evaluate the frequency response characteristics against the specific audio application needs to ensure signal fidelity.
Part Context
This component belongs to the 117 series of audio transformers manufactured by Hammond Manufacturing. The series includes various models tailored for different impedance ratios and power handling requirements. The 117K8 specifically addresses the needs of audio engineers requiring reliable line matching for vintage or modern tube amplifier designs.
Replacement Considerations
The 117K8 serves as a direct replacement for legacy audio transformers in push-pull tube circuits. Verify pinout compatibility and mechanical fit when substituting older units. Ensure the replacement maintains the original impedance transformation ratio to preserve circuit performance.
