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Product Detailed Parameters
- Description：AUDIO XFMR 10K / 8 CHAS MNT
- Series：144
- Mfr：Hammond Manufacturing
- Package：Bulk
- Mounting Type：Chassis Mount
- Size / Dimension：1.000" L x 0.690" W (25.40mm x 17.53mm)
- Height - Seated (Max)：0.690" (17.53mm)
- Termination Style：Wire Leads
- Turns Ratio - Primary:Secondary：-
- Impedance - Primary (Ohms)：10k
- Impedance - Secondary (Ohms)：8
- DC Resistance (DCR) - Primary：575Ohm
- DC Resistance (DCR) - Secondary：900mOhm
- Transformer Type：Economical Open Type
- Frequency Range：150Hz ~ 15kHz
- Frequency Response：±1dB
- Voltage - Isolation：-
- Insertion Loss：-
- Return Loss：-
- Power Level：50mW
- Operating Temperature：-
- Approval Agency：-
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Overview
The Hammond Manufacturing 144Q is a chassis-mount audio output transformer designed for push-pull tube circuits. It features a primary impedance of 10,000 ohms and a secondary impedance of 8 ohms. The device operates within a frequency range of 150 Hz to 15 kHz. Constructed for general-purpose applications, it serves as a replacement component in audio equipment requiring specific impedance matching for vacuum tube amplification stages.
Feature Summary
- Designed specifically for push-pull tube output circuits
- Provides precise impedance transformation between primary and secondary windings
- Chassis mount construction for secure installation
Applications
- Push-pull tube audio amplifier output stages
- General-purpose audio transformer replacement
- Vacuum tube circuit impedance matching
Procurement Notes
Verify the part number against official Hammond Manufacturing documentation to confirm the 10k:8 ohm ratio and 150Hz-15kHz frequency response. Ensure the chassis mount style matches the existing enclosure requirements. Cross-reference with authorized distributors to confirm current availability and compliance with relevant safety standards.
Selection Notes
Select this component when replacing an output transformer in a push-pull tube amplifier configuration. The 10,000 ohm primary and 8 ohm secondary ratings are critical for proper load matching. Consider the physical dimensions and mounting hole patterns to ensure compatibility with the target chassis or panel.
Part Context
The 144Q belongs to the Hammond 143-146 series of audio transformers. This series is widely recognized in the audio industry for providing reliable performance in tube-based equipment. The component is distinct from power transformers, serving specifically as an output coupling device for signal amplification.
Replacement Considerations
- 144Q
FAQ
What is the primary impedance of the 144Q transformer?
The primary impedance is 10,000 ohms.
What is the frequency response range?
The frequency response ranges from 150 Hz to 15 kHz.
