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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 812A is a chassis-mount audio transformer designed for broadcast applications. It facilitates signal coupling and impedance matching between line or 150-ohm microphone sources and one or two grid inputs. The device operates within a frequency range of 50Hz to 15kHz. It features a deep-drawn steel case with a tin-plated finish, ensuring durability in professional environments.
Feature Summary
- Chassis-mount design with integrated mounting studs
- Deep-drawn steel construction with tin-plated finish
- Pre-installed wire leads for simplified integration
Applications
- Broadcast audio systems
- Microphone input coupling
- Line-level signal transformation
Procurement Notes
Verify the specific datasheet version before procurement to ensure compatibility with current manufacturing standards. Confirm that the included wire lead lengths meet the installation requirements. Check for any regional shipping restrictions due to product weight or dimensions. Ensure the receiving facility has appropriate handling equipment for the chassis-mount component.
Selection Notes
Select this model when impedance matching between 150-ohm microphones and grid inputs is required. Consider the physical dimensions and mounting stud configuration for chassis integration. Evaluate the frequency response range against the specific audio application needs. Verify that the steel case material meets environmental protection requirements for the deployment location.
Part Context
This component belongs to the 800A series of audio transformers from Hammond Manufacturing. It is part of a lineup focused on broadcast and professional audio signal processing. The series emphasizes robust construction and reliable impedance transformation for critical audio infrastructure applications.
Replacement Considerations
Consult official Hammond documentation for verified substitute part numbers. Do not assume cross-compatibility with other series without explicit manufacturer confirmation.
