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PAM-PT-4-10R is listed in the Power Transformers range at ChipApex. The manufacturer field lists Pacific Transformer. Its product description is Fender Tweed Princeton Power Tra. Review the specifications below when checking this part for your BOM.
The PAM-PT-4-10R is a 4W power transformer manufactured by Pacific Transformer, designed for chassis mounting. It features a 120V primary winding and multiple secondary outputs providing 650V at 700mA, 6.3V at 3A, and 5V at 5A. This component serves as a replacement for Fender part number 7787, specifically engineered for the Princeton amplifier circuit (5F2A). The unit utilizes wirewound construction to deliver stable voltage regulation for audio equipment applications.
Verify that the replacement unit matches the original Fender part number 7787 specifications before installation. Confirm physical dimensions and lead pin configurations align with the target chassis. Ensure the primary voltage rating of 120V matches the local mains supply requirements to prevent operational failure or safety hazards during initial testing.
Select this transformer when restoring Fender Princeton amplifiers requiring the specific 4W power rating and multi-tap secondary configuration. Consider the chassis mount form factor and ensure adequate clearance for the transformer's physical footprint within the amplifier enclosure. Verify compatibility with the existing rectifier tube and filter capacitor ratings to maintain proper circuit operation.
This component belongs to Pacific Transformer's line of custom magnetics designed for musical instrument amplification. It replaces the original Fender part number 7787 used in Princeton amplifiers from the 1950-1960 era. The product supports the preservation of vintage audio equipment by providing electrically equivalent performance to the original factory-installed units.
PAM-OT-4-10R is the matching output transformer for this amplifier circuit.
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