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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)：54.24k
- Impedance - Secondary (Ohms)：111.46
- 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 1750AB is an audio and signal transformer designed for tube application power circuits. It features a single channel configuration with wire lead termination. The primary coil impedance is specified at 9,000 ohms, while the secondary coil impedance is 8 ohms. The unit has a power rating of 12 watts and operates within a frequency range of 70 Hz to 15 kHz. It belongs to the 1750 series and is manufactured by Hammond Manufacturing.
Feature Summary
- Designed for general-purpose use in push-pull tube output circuits
- Provides high-quality magnetics suitable for tube applications such as hi-fi systems
- Facilitates replacement use in guitar amplifier output stages
Applications
- Push-pull tube output circuits
- Guitar amplifier output stages
- Hi-fi system tube applications
Procurement Notes
Verify the specific impedance requirements against the circuit design, as the 1750AB specifies a 9,000-ohm primary. Confirm that the 12-watt power rating meets the thermal and electrical demands of the target amplifier topology. Ensure compatibility with the 8-ohm secondary load. Cross-reference the manufacturer part number to distinguish from similar models like the 1750B which may have different impedance values.
Selection Notes
Select this component when a 9,000-ohm primary impedance is required for tube-based push-pull configurations. The 12-watt rating distinguishes it from lower-power variants. Consider the physical mounting style and wire lead termination during integration. Validate that the frequency response covers the necessary audio spectrum for the intended musical or audio reproduction application.
Part Context
This component is part of the Hammond Manufacturing 1750 series of audio transformers. The series includes various models tailored for different tube amplifier needs, such as the 1750B and 1750KA. These units are generally categorized under audio and signal transformers, specifically for tube application power transformers, serving both original equipment and replacement markets.
Replacement Considerations
The 1750B is a related model but typically features a 5,482-ohm primary impedance, making it electrically distinct from the 1750AB's 9,000-ohm specification. Substitution requires verifying impedance matching to avoid performance degradation or damage to vacuum tubes.
