1750N

Description：XFMR 3.2KCT / 4, 8, 16 CHAS MNT
Series：1750
Mfr：Hammond Manufacturing
Package：Box

SKU:ca9631a07d0e Category: Audio Transformers Brand: Hammond Manufacturing

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Product introduction

Product Detailed Parameters

Description：XFMR 3.2KCT / 4, 8, 16 CHAS MNT
Series：1750
Mfr：Hammond Manufacturing
Package：Box
Mounting Type：Chassis Mount
Size / Dimension：3.125" L x 3.350" W (79.38mm x 85.09mm)
Height - Seated (Max)：3.800" (96.52mm)
Termination Style：Wire Leads
Turns Ratio - Primary:Secondary：14.30:1
Impedance - Primary (Ohms)：3.2kCT
Impedance - Secondary (Ohms)：4, 8, 16
DC Resistance (DCR) - Primary：41.74Ohm, 3.14Ohm
DC Resistance (DCR) - Secondary：170mOhm, 240mOhm, 360mOhm
Transformer Type：Push-Pull Audiophile, Ultra-Linear - Tube Output
Frequency Range：70Hz ~ 15kHz
Frequency Response：±1dB
Voltage - Isolation：-
Insertion Loss：-
Return Loss：-
Power Level：50W
Operating Temperature：-
Approval Agency：-

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1750N

Overview

The Hammond Manufacturing 1750N is a tube application power transformer designed for audio signal transmission. It features a primary impedance of 3200 ohms center-tapped and a secondary impedance of 4 ohms. The unit supports a single channel configuration with wire lead termination. Its operational frequency range spans from 70 Hz to 15 kHz, ensuring compatibility with standard audio bandwidths. The transformer utilizes flange mount installation and is constructed for robust performance in tube-based circuitry.

Feature Summary

Designed as a drop-in replacement for original factory units in Marshall guitar tube amplifiers
Constructed with physical dimensions similar to original factory components for ease of integration
Utilizes wire lead termination for direct circuit connection

Applications

Marshall JCM800 50 Watt tube amplifier output stage
Tube guitar amplifier replacement
Audio signal transformation in vintage amplifier restoration

Procurement Notes

Verify the specific impedance requirements of the target amplifier circuit against the 3200 CT primary and 4 ohm secondary specifications. Confirm that the flange mount style and wire lead termination are compatible with the existing chassis layout. Ensure the replacement unit matches the physical envelope of the original component to guarantee proper fitment within the amplifier enclosure.

Selection Notes

Select this model specifically for applications requiring a 3200 CT primary impedance match. It is suitable for single-channel push-pull or single-ended tube output stages operating within the specified frequency range. Consider the physical mounting constraints and terminal type when evaluating alternatives for vintage audio equipment repair projects.

Part Context

This component belongs to the Hammond Manufacturing 1750 series of audio transformers. The series includes various models tailored for different tube amplifier configurations, such as the 1750B and 1750E. The 1750N is distinctively characterized by its 3200 CT primary impedance, targeting specific high-gain amplifier designs prevalent in rock and blues music genres.