126A

Description：AUDIO XFMR 5K / 5K CHAS MNT
Series：126
Mfr：Hammond Manufacturing
Package：Box

SKU:51bfc0d998d3 Category: Audio Transformers Brand: Hammond Manufacturing

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Product introduction

Product Detailed Parameters

Description：AUDIO XFMR 5K / 5K CHAS MNT
Series：126
Mfr：Hammond Manufacturing
Package：Box
Mounting Type：Chassis Mount
Size / Dimension：3.120" L x 2.500" W (79.25mm x 63.50mm)
Height - Seated (Max)：3.120" (79.25mm)
Termination Style：Wire Leads
Turns Ratio - Primary:Secondary：-
Impedance - Primary (Ohms)：5k
Impedance - Secondary (Ohms)：5k
DC Resistance (DCR) - Primary：178Ohm
DC Resistance (DCR) - Secondary：178Ohm
Transformer Type：Single Ended Audiophile, Ultra-Linear - Tube Output
Frequency Range：20Hz ~ 20kHz
Frequency Response：±1dB
Voltage - Isolation：400VDC
Insertion Loss：-
Return Loss：-
Power Level：4W
Operating Temperature：-
Approval Agency：-

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126A

Overview

The Hammond Manufacturing 126A is an audio transformer designed for single-ended tube amplifier applications. It functions as a tube driver interstage transformer with a primary impedance of 5k Ohms and a secondary impedance of 5k Ohms. The unit supports a power rating of 4 Watts and has a maximum DC current of 15mA. Physical dimensions are approximately 60.5mm in length, 34.3mm in width, and 36.3mm in height.

Feature Summary

Designed specifically for single-ended tube amplifier circuits
Functions as a tube driver interstage transformer
Features matched primary and secondary impedances

Applications

Single-ended tube amplifier construction
Audio signal processing stages
Tube driver circuit implementation

Procurement Notes

Verify the specific impedance configuration required for your circuit design before ordering. Confirm that the physical dimensions fit within the intended chassis space. Check availability status as stock levels may vary. Ensure compatibility with the voltage and current requirements of the vacuum tubes used in the amplifier stage.

Selection Notes

Select this component when a dedicated interstage transformer is needed for single-ended tube amplification. The 5k-5k impedance ratio is suitable for specific tube types requiring matched loading. Consider the physical size constraints of the enclosure during the selection process to ensure proper mounting.

Part Context

This component belongs to the category of audio transformers manufactured by Hammond Manufacturing. It is distinct from power transformers or general-purpose signal transformers. The product is specialized for high-fidelity audio applications involving vacuum tube technology.

Replacement Considerations

No direct substitute part numbers are publicly confirmed in the provided documentation. When replacing, ensure the new component matches the 5k-5k impedance ratio, 4W power rating, and 15mA DC current limit. Verify physical footprint compatibility if space is limited.