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The Hammond Manufacturing 809A is an audio signal transformer designed for broadcast applications, specifically facilitating connections between microphones, mixers, and base stations. It operates within a frequency range of 50 Hz to 15 kHz. The unit features a shielded construction with primary coil impedances of 50 Ohms and 200 Ohms, and secondary coil impedances of 600 Ohms and 2.4 kOhms. Maximum DC current is rated at 600 uA. Physical dimensions are 44.5 mm in length, 31.8 mm in width, and 65 mm in height.
Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status via official documentation. Check for discontinued stock availability as the part may no longer be actively stocked. Ensure technical specifications match system requirements before procurement.
Select this component for broadcast audio systems requiring specific impedance matching between microphones and mixing equipment. Evaluate the dual primary and secondary impedance options against circuit design needs. Consider physical size constraints due to the transformer's compact form factor.
The 809A belongs to the Hammond Manufacturing 800 series of audio transformers. This series is specialized for professional audio and broadcast environments where signal clarity and impedance transformation are critical. The product line focuses on robust construction suitable for studio and field broadcasting applications.
Public confirmed substitute part numbers include components from the 800A Series. Verify compatibility regarding impedance ratios and physical mounting dimensions when considering alternatives.