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Product Detailed Parameters
- Description：XFMR 7.5, 30 / 10K, 40K CHAS MNT
- Series：800A
- Mfr：Hammond Manufacturing
- Package：Bulk
- Mounting Type：Chassis Mount
- Size / Dimension：1.750" L x 1.250" W (44.45mm x 31.75mm)
- Height - Seated (Max)：2.560" (65.02mm)
- Termination Style：Wire Leads
- Turns Ratio - Primary:Secondary：-
- Impedance - Primary (Ohms)：7.5, 30
- Impedance - Secondary (Ohms)：10k, 40k
- DC Resistance (DCR) - Primary：-
- DC Resistance (DCR) - Secondary：-
- Transformer Type：Broadcast Quality
- Frequency Range：50Hz ~ 15kHz
- Frequency Response：±0.5dB
- Voltage - Isolation：-
- Insertion Loss：1dB
- Return Loss：-
- Power Level：15dB
- Operating Temperature：-
- Approval Agency：-
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Overview
The Hammond Manufacturing 806A is an audio broadcast transformer designed for general-purpose and replacement applications in push-pull tube output circuits. It features a shielded construction to minimize interference. The unit operates within a frequency range of 50 Hz to 15 kHz. Primary coil impedance options are 50 ohms or 200 ohms. Secondary coil impedance options are 600 ohms or 2.4 kohms. Maximum DC current rating is 600 uA. Physical dimensions are 44.5 mm length, 31.8 mm width, and 65 mm height. End connection type utilizes wire leads.
Feature Summary
- Designed for use in push-pull tube output circuits
- Shielded construction for signal integrity
- Suitable for broadcast audio applications
Applications
- Push-pull tube output circuits
- Broadcast audio systems
- General-purpose audio signal transformation
Procurement Notes
Verify the specific primary and secondary impedance configuration required for the target circuit before procurement. Confirm that the wire lead termination style matches the existing wiring harness. Ensure the maximum DC current rating of 600 uA is sufficient for the intended application to prevent core saturation or damage. Cross-reference the physical dimensions against the available chassis space.
Selection Notes
Select this component when replacing transformers in vintage or specialized tube-based audio equipment requiring broadcast-grade performance. Compare the available impedance combinations (50/200 ohm primary with 600/2.4 kohm secondary) against the original circuit specifications. Consider the shielded design if electromagnetic interference is a concern in the installation environment.
Part Context
This component belongs to the Hammond Manufacturing 800 series of audio and signal transformers. This series includes models such as the 807A and 808A, which share similar broadcast-oriented design philosophies but differ in impedance ratios and specific terminal configurations. The 806A is distinctively positioned for tube output stage applications.
Replacement Considerations
Direct substitutes may include other Hammond 800 series models like the 807A or 808A, provided the impedance ratios match the circuit requirements. Verify that the physical footprint and lead lengths are compatible with the existing assembly.
FAQ
What is the maximum DC current rating for the 806A?
The maximum DC current rating is 600 uA.
Is the 806A transformer shielded?
Yes, the 806A features a shielded construction.
