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Product Detailed Parameters
- Description：AUDIO XFMR 5.482K / 8 CHAS MNT
- Series：1750
- Mfr：Hammond Manufacturing
- Package：Bulk
- Mounting Type：Chassis Mount
- Size / Dimension：2.875" L x 1.900" W (73.02mm x 48.26mm)
- Height - Seated (Max)：2.433" (61.80mm)
- Termination Style：Wire Leads
- Turns Ratio - Primary:Secondary：-
- Impedance - Primary (Ohms)：5.482k
- Impedance - Secondary (Ohms)：8
- DC Resistance (DCR) - Primary：254.8Ohm
- DC Resistance (DCR) - Secondary：420mOhm
- Transformer Type：-
- Frequency Range：70Hz ~ 10kHz
- Frequency Response：±1dB
- Voltage - Isolation：1750V @ 1 Second
- Insertion Loss：-
- Return Loss：-
- Power Level：10W
- Operating Temperature：-
- Approval Agency：-
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Overview
The Hammond Manufacturing 1750B is a single-channel audio and signal transformer designed for tube application power circuits. It features wire lead termination and operates within a frequency range of 70 Hz to 15 kHz. The unit has a primary coil impedance of 5,482 ohms and a secondary coil impedance of 8 ohms. It carries a power rating of 10 watts and weighs approximately 453.6 grams. This component belongs to the 1750 series and is intended for general-purpose use in push-pull tube output configurations.
Feature Summary
- Designed specifically for push-pull tube output circuits
- Provides high-quality magnetics suitable for hi-fi applications
- Utilizes wire lead termination for direct circuit integration
Applications
- Guitar amplifier output stages
- Push-pull tube audio output circuits
- Hi-fi system reconstruction
Procurement Notes
Verify that the required primary impedance matches exactly 5,482 ohms and the secondary impedance is 8 ohms. Confirm the power handling capability of 10 watts aligns with the amplifier design. Ensure the wire lead termination method is compatible with the existing chassis or PCB layout before procurement.
Selection Notes
Select this model when replacing transformers in vintage or custom tube amplifiers requiring a 5.482k:8 ohm ratio. Consider the physical weight and chassis mounting requirements due to its substantial mass. Compare against the 1750Y variant if a center-tapped primary configuration or higher power rating is necessary for the specific circuit topology.
Part Context
This component is part of the Hammond 1750 series, which specializes in audio and signal transformers for tube-based equipment. The series supports various impedance ratios and power levels tailored for guitar amps and hi-fi systems. The 1750B represents a standard non-center-tapped option within this lineup, focusing on general-purpose replacement utility.
Replacement Considerations
Direct substitutes include other Hammond 1750 series units with matching 5.482k primary and 8 ohm secondary impedances. Verify that any alternative maintains the 10-watt power rating and similar frequency response characteristics to ensure acoustic consistency.
