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Product Detailed Parameters
- Description：Tools/Equipment/Hardware
- Series：-
- Mfr：Hammond Manufacturing
- Package：Bulk
- Mounting Type：-
- Size / Dimension：-
- Height - Seated (Max)：-
- Termination Style：-
- Turns Ratio - Primary:Secondary：-
- Impedance - Primary (Ohms)：-
- Impedance - Secondary (Ohms)：-
- DC Resistance (DCR) - Primary：-
- DC Resistance (DCR) - Secondary：-
- Transformer Type：-
- Frequency Range：-
- Frequency Response：-
- Voltage - Isolation：-
- Insertion Loss：-
- Return Loss：-
- Power Level：-
- Operating Temperature：-
- Approval Agency：-
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Overview
The Hammond Manufacturing 1750NB is an audio and signal transformer designed for tube application power circuits. It features a single channel with wire lead termination. The primary coil impedance is 4,500 ohms center-tapped, while the secondary coil impedance is 8 ohms. The unit has a power rating of 10 watts and operates within a frequency range of 70 Hz to 15 kHz. It is unshielded and weighs approximately 453.592 grams.
Feature Summary
- Designed for general-purpose use in push-pull tube output circuits
- Features high-quality magnetics suitable for hi-fi applications
- Constructed with wire lead termination for direct circuit integration
Applications
- Push-pull tube output circuits
- Hi-fi amplifier systems
- Guitar amplifier replacement
Procurement Notes
Verify the specific impedance configuration against the original equipment requirements before procurement. Confirm that the 4,500-ohm center-tapped primary matches the intended circuit topology. Ensure the 10-watt power rating meets the thermal and electrical demands of the target application without exceeding component limits.
Selection Notes
Select this component when replacing transformers in existing tube-based audio designs requiring a 4,500-ohm center-tapped primary. Consider the physical dimensions and weight constraints during chassis installation. Evaluate compatibility with the existing secondary load impedance to ensure proper signal transfer and minimal distortion in the final assembly.
Part Context
This part belongs to the Hammond 1750 series of audio and signal transformers. The series includes various configurations tailored for different tube amplifier needs. The 1750NB specifically addresses requirements for moderate power output with standard 8-ohm secondary loads commonly found in vintage and modern tube gear.
Replacement Considerations
Cross-reference with Hammond 1750B or 1750KA if impedance values differ. Verify pinout and lead length compatibility with existing chassis mounting points.
