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Product Detailed Parameters
- Description：AUDIO XFMR 8 CHAS MNT
- Series：175
- Mfr：Hammond Manufacturing
- Package：Bulk
- Mounting Type：Chassis Mount
- Size / Dimension：-
- Height - Seated (Max)：3.796" (96.42mm)
- Termination Style：Wire Leads
- Turns Ratio - Primary:Secondary：-
- Impedance - Primary (Ohms)：-
- Impedance - Secondary (Ohms)：8
- DC Resistance (DCR) - Primary：-
- DC Resistance (DCR) - Secondary：-
- Transformer Type：Push-Pull Audiophile, Ultra-Linear - Tube Output
- Frequency Range：65Hz ~ 12kHz
- Frequency Response：±1dB
- Voltage - Isolation：2500Vrms
- Insertion Loss：-
- Return Loss：-
- Power Level：100W
- Operating Temperature：-40°C ~ 105°C
- Approval Agency：-
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Overview
The Hammond Manufacturing 1750RA is an audio and signal transformer designed for tube application power transformers, specifically serving as an output transformer for guitar amplifiers. It features a single channel configuration with wire lead termination. The primary coil impedance is rated at 6,200 ohms center-tapped, while the secondary coil impedance is 8 ohms. The unit has a power rating of 15 watts and operates within a frequency range of 70 Hz to 15 kHz. The component weighs approximately 1.814 kg.
Feature Summary
- Designed specifically for tube application power transformers in guitar amplifier circuits
- Utilizes push-pull topology for efficient signal output
- Features wire lead termination for direct circuit integration
Applications
- Guitar amplifier output stages
- Tube-based audio equipment construction
- High-fidelity audio signal transformation
Procurement Notes
Verify the specific suffix designation when ordering, as variations such as 1750B or 1750Y exist with different impedance and power ratings. Confirm that the 1750RA corresponds to the 6,200 ohm center-tapped primary and 15-watt rating. Ensure compatibility with existing chassis mounting requirements due to the significant weight of the unit.
Selection Notes
Select this model only if the amplifier design requires a 15-watt output capacity and a 6,200 ohm center-tapped primary impedance. Compare against the 1750B variant which offers 10 watts and 5,482 ohms primary impedance. Consider the physical dimensions and weight constraints during chassis design, as this unit is heavier than smaller signal transformers.
Part Context
This component belongs to the Hammond 1750 series of audio and signal transformers. The series includes various models tailored for different tube amplifier power levels and impedance matching requirements. The 1750RA represents the higher power option within this specific lineup, distinguished by its 15-watt rating and specific winding configuration for push-pull applications.
Replacement Considerations
Direct substitutes include other Hammond 1750 series variants like the 1750Y, provided the electrical parameters match the circuit requirements. Verify that any replacement maintains the same center-tapped primary impedance and secondary load characteristics to ensure proper tube operation.
