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Product Detailed Parameters
- Description：OUTPUT TRANSFORMER, GUITAR AMP,
- Series：1750
- Mfr：Hammond Manufacturing
- Package：Bulk
- Mounting Type：Chassis Mount
- Size / Dimension：-
- Height - Seated (Max)：-
- Termination Style：Wire Leads
- Turns Ratio - Primary:Secondary：-
- Impedance - Primary (Ohms)：6kCT
- Impedance - Secondary (Ohms)：8, 16
- DC Resistance (DCR) - Primary：-
- DC Resistance (DCR) - Secondary：-
- Transformer Type：Push-Pull Audiophile, Ultra-Linear - Tube Output
- Frequency Range：-
- Frequency Response：-
- Voltage - Isolation：-
- Insertion Loss：-
- Return Loss：-
- Power Level：-
- Operating Temperature：-
- Approval Agency：-
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Overview
The Hammond Manufacturing 1750ORF is an audio output transformer designed for tube guitar amplifiers. It features a single channel with a primary impedance of 6,000 ohms center-tapped and secondary options of 8 or 16 ohms. The unit supports a power rating of 35 watts and operates within a frequency range of 70 Hz to 15 kHz. Constructed with wire leads for termination, this unshielded component belongs to the 1750 series and is intended for push-pull tube applications.
Feature Summary
- Designed as a drop-in replacement for original factory units in tube guitar amplifiers
- Provides specific impedance matching for push-pull tube output stages
- Constructed with wire lead terminations for direct circuit integration
Applications
- Tube guitar amplifier output stages
- Push-pull tube audio circuits
- Audio signal transformation in vintage-style amplifiers
Procurement Notes
Verify that the required secondary impedance matches either 8 or 16 ohms, as the 1750ORF supports both configurations. Confirm the primary impedance requirement is 6,000 ohms center-tapped to ensure compatibility with the target amplifier circuit. Check physical dimensions against the existing transformer space to guarantee proper fitment within the chassis enclosure.
Selection Notes
Select this model when a 35-watt capacity is required for tube output stages. Ensure the application utilizes a push-pull configuration compatible with the 6,000-ohm center-tapped primary. Consider the unshielded design if magnetic interference from other components is not a concern. Verify that the operating frequency range meets the audio fidelity requirements of the specific amplifier design.
Part Context
This component is part of the Hammond 1750 series, which specializes in audio and signal transformers for tube applications. The series includes various models with different impedance ratios and power ratings to suit diverse amplifier designs. The 1750ORF specifically addresses high-power tube output needs with its 35-watt rating and dual secondary options.
Replacement Considerations
Official documentation indicates this unit is designed as a drop-in replacement for original factory units where physically possible. Verify mechanical mounting hole spacing and lead lengths against the legacy component to ensure direct interchangeability without modification.
