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Product Detailed Parameters
- Description：AUDIO XFMR 6.95KCT / 8 CHAS MNT
- Series：1750
- Mfr：Hammond Manufacturing
- Package：Box
- Mounting Type：Chassis Mount
- Size / Dimension：3.250" L x 1.687" W (82.55mm x 42.85mm)
- Height - Seated (Max)：2.058" (52.27mm)
- Termination Style：Wire Leads
- Turns Ratio - Primary:Secondary：29.19:1
- Impedance - Primary (Ohms)：6.95kCT
- Impedance - Secondary (Ohms)：8
- DC Resistance (DCR) - Primary：97.36Ohm, 194.7Ohm
- DC Resistance (DCR) - Secondary：409mOhm
- Transformer Type：Push-Pull Audiophile, Ultra-Linear - Tube Output
- Frequency Range：70Hz ~ 15kHz
- Frequency Response：±1dB
- Voltage - Isolation：-
- Insertion Loss：-
- Return Loss：-
- Power Level：15W
- Operating Temperature：-
- Approval Agency：-
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Overview
The Hammond Manufacturing 1750F is a tube application power transformer designed for audio signal processing. It features a single channel configuration with wire lead termination and chassis mount installation. The primary side impedance is 4,150 ohms center-tapped, while the secondary side impedance is 2 ohms. The unit operates within a frequency range of 70 Hz to 15 kHz and has a power rating of 10 watts. It belongs to the 1750 series and is classified as an output transformer.
Feature Summary
- Designed specifically for tube output push-pull applications in guitar amplifiers
- Features a single-channel architecture with wire lead connections
- Constructed for secure chassis mounting in professional audio equipment
Applications
- Tube guitar amplifier output stages
- Push-pull audio signal transformation
- Professional audio equipment power management
Procurement Notes
Verify the specific part number suffix against official Hammond Manufacturing documentation to ensure correct impedance matching. Confirm that the 4,150-ohm primary and 2-ohm secondary specifications align with the target amplifier circuit design. Cross-reference the 10-watt power rating and 70 Hz to 15 kHz frequency response requirements before finalizing procurement orders.
Selection Notes
Select this component when designing or repairing tube-based guitar amplifiers requiring a 4,150-ohm center-tapped primary and 2-ohm secondary output. Ensure the chassis mount form factor fits the enclosure constraints. Verify compatibility with the intended vacuum tube plate voltage and current requirements to maintain optimal performance within the specified frequency range.
Part Context
This component is part of the Hammond Manufacturing 1750 series, which specializes in audio and signal transformers for tube applications. The series includes various models tailored for different impedance ratios and power ratings, serving the niche market of high-fidelity audio equipment manufacturing and restoration.
Replacement Considerations
Consult official Hammond Manufacturing cross-reference guides for verified substitute part numbers. Do not assume generic audio transformers are compatible due to potential differences in impedance, power handling, and physical dimensions.
