126B

Overview

The Hammond Manufacturing 126B is an audio transformer tube driver designed for single-ended tube amplifiers. It features a power rating of 4W and utilizes dual primary windings with impedances of 5kR/5kR. The unit incorporates a 44 Henry inductance and supports a maximum current of 30mA. This component serves as an interstage driver, providing necessary signal coupling and impedance matching for vacuum tube audio circuits.

Feature Summary

• Designed specifically for single-ended tube amplifier applications
• Provides interstage coupling between audio stages
• Features dual primary winding configuration for flexible circuit integration

Applications

• Single-ended tube amplifier construction
• Interstage audio signal coupling
• Vacuum tube preamplifier design

Procurement Notes

Verify the specific datasheet version to confirm electrical tolerances and physical dimensions before integration. Ensure compatibility with existing tube socket configurations and chassis mounting requirements. Cross-reference manufacturer specifications for lead times and compliance certifications such as RoHS status prior to finalizing procurement orders.

Selection Notes

Select this model when designing single-ended tube amplifiers requiring a dedicated interstage driver. The 5kR/5kR impedance ratio suits typical tube output stage requirements. Consider the 4W power handling and 44H inductance for low-frequency response needs. Verify that the 30mA current limit aligns with the intended tube plate current specifications.

Part Context

This component belongs to Hammond Manufacturing's audio transformer series, specialized for high-fidelity vacuum tube electronics. It addresses the need for precise impedance transformation and signal isolation in analog audio paths. The product line focuses on reliability and acoustic performance for audiophile and professional audio equipment manufacturers.

Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation.