Description

PAIR AMPEX MATCHING INPUT TRANSFORMER 4580116-20 FOR REEL TO REEL AMPLIFIER NOS Both were just pulled out of boxes for photos. NOS NIB. The Ampex 4580116-20 is a vintage matching input transformer designed for professional audio equipment. It features a balanced step-up ratio, providing approximately 14 dB of gain. This transformer is optimized for a 600-ohm source impedance and is commonly used in the input stages of various Ampex models, including the 354, 602, MX10, PR-10, MX-35, MR-70, and AG-350. In the context of DIY audio projects, the 4580116-20 can be utilized to enhance gain in preamplifier designs or to facilitate balanced input configurations. Its robust construction and reliable performance make it a valuable component for audio enthusiasts seeking to replicate or restore vintage audio equipment. For those interested in acquiring this transformer, it is occasionally available through online marketplaces specializing in vintage audio components. For instance, listings on platforms like Reverb have featured pairs of Ampex 4580116-20 input transformers from the 1960s. Given its specific design and application, the Ampex 4580116-20 remains a sought-after component for vintage audio restoration and custom audio equipment projects.