807

Overview

The Hammond Manufacturing 807 is a discontinued audio and signal transformer from the 800 Series. It features shielded construction with terminal end types. The primary coil impedance options are 7.5 Ohms and 30 Ohms, while secondary coil impedances are 600 Ohms and 2.4 kOhms. The device operates within a frequency range of 50 Hz to 15 kHz. Physical dimensions are 1.75 inches in length, 1.25 inches in width, and 2.56 inches in height. The unit weighs approximately 235.868 grams.

Feature Summary

• Shielded design for signal integrity
• Terminal termination style
• Push-pull tube output circuit compatibility

Applications

• General-purpose audio broadcast applications
• Replacement use in push-pull tube output circuits
• Signal level transformation

Procurement Notes

Verify component status as this specific part number is listed as discontinued by the manufacturer. Confirm availability through authorized distributors or secondary markets. Ensure that replacement units match original electrical specifications and physical mounting requirements. Check for updated datasheets if sourcing legacy inventory.

Selection Notes

Select the 807A variant with leads as the direct functional replacement for the 807 model. Evaluate impedance matching between primary and secondary coils against circuit requirements. Consider the physical footprint constraints due to the specific housing dimensions. Verify shielding needs for noise-sensitive environments.

Part Context

This component belongs to the Hammond 800 Series, designated for audio broadcast quality transformers. It serves as a specialized signal transformer designed for tube-based audio equipment. The series is known for robust construction suitable for professional audio infrastructure.

Replacement Considerations

The 807A with leads is the confirmed public substitute for the 807 model.