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Product Detailed Parameters
- Description：AUDIO XFMR CHAS MNT
- Series：800A
- Mfr：Hammond Manufacturing
- Package：Bulk
- Mounting Type：Chassis Mount
- Size / Dimension：-
- Height - Seated (Max)：1.250" (31.75mm)
- Termination Style：Wire Leads
- Turns Ratio - Primary:Secondary：-
- Impedance - Primary (Ohms)：-
- Impedance - Secondary (Ohms)：-
- DC Resistance (DCR) - Primary：-
- DC Resistance (DCR) - Secondary：-
- Transformer Type：-
- Frequency Range：50Hz ~ 15kHz
- Frequency Response：±0.5dB
- Voltage - Isolation：-
- Insertion Loss：-
- Return Loss：-
- Power Level：15dB
- Operating Temperature：-
- Approval Agency：-
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Overview
The Hammond Manufacturing 807A is a broadcast audio transformer designed for dynamic microphone or voice coil to base connections. It operates within a frequency range of 50 Hz to 15 kHz. The primary winding offers impedance options of 50 Ohms and 200 Ohms, while the secondary winding provides 10 kOhms and 40 kOhms configurations. The unit supports a maximum DC current of 1.6 mA. Physical dimensions are 44.5 mm in length, 31.8 mm in width, and 65 mm in height, with a weight of approximately 235.9 grams. It belongs to the 800 series and features shielded construction.
Feature Summary
- Designed specifically for broadcast applications connecting dynamic microphones or voice coils to base inputs
- Features shielded construction to minimize interference in professional audio environments
- Provides impedance matching capabilities between low-impedance sources and high-impedance bases
Applications
- Dynamic microphone interconnection in broadcast studios
- Voice coil to base signal transformation
- Professional audio system impedance matching
Procurement Notes
Verify the specific impedance configuration required for your application, as the 807A supports multiple primary and secondary impedance values. Confirm that the physical dimensions fit your chassis layout. Ensure compatibility with the intended frequency range for broadcast use. Check RoHS compliance status if environmental regulations apply to your project. Validate that the maximum DC current rating meets your circuit requirements.
Selection Notes
Select the 807A when interfacing dynamic microphones or voice coils with base equipment in broadcast settings. Consider the available impedance combinations to ensure proper signal transfer. Evaluate the shielded design benefits for noise reduction in sensitive audio paths. Compare against other 800 series models if different impedance ratios are needed. Assess physical space constraints given the component's specific dimensions.
Part Context
The 807A is part of Hammond Manufacturing's 800 series of audio transformers. This series focuses on broadcast-grade signal transformation components. The manufacturer specializes in industrial controls and enclosures, providing robust hardware solutions. The 807A serves as a specialized component within this broader portfolio, targeting professional audio infrastructure needs.
Replacement Considerations
Consult official documentation for direct substitutes within the 800 series. Verify impedance ratios match exactly before swapping. Check dimensional compatibility for existing mounting arrangements. Ensure frequency response characteristics remain consistent with original design specifications.
