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The Hammond Manufacturing 560L is a broadcast-quality audio transformer designed for collector-to-line or matching applications. It features a single channel with through-hole termination and epoxy potting in a molded case. The primary coil impedance is 600 Ohms, while the secondary offers dual taps at 20 kOhms and 5k/5k Ohms. The frequency range spans from 30 Hz to 30 kHz. Physical dimensions are 1.33 inches in length, 1.64 inches in width, and 0.85 inches in height. The unit weighs approximately 113.4 grams and includes shielding.
Verify that the specific order matches the 560L designation for broadcast quality audio transformers. Confirm the requirement for dual secondary taps (20kΩ and 5k/5k) aligns with circuit design needs. Ensure through-hole mounting compatibility is required for the target PCB layout. Check for any factory modification eligibility if custom specifications are necessary beyond standard offerings.
Select this component when a shielded, potted audio transformer is required for tube-based push-pull outputs. The 600-ohm primary impedance suits standard line-level interfaces. The availability of a 5k/5k secondary tap provides flexibility for driving lower impedance loads compared to the standard 20kΩ option. Consider the physical footprint constraints due to the molded case dimensions before finalizing the design.
This part belongs to the 560 series of audio transformers manufactured by Hammond Manufacturing. It is categorized under Audio & Signal Transformers and specifically serves as a replacement or general-purpose solution for vintage and modern tube amplifier designs requiring precise impedance matching between collectors and lines.
No public confirmed substitute part numbers are available in the provided documentation.