Sony Sports WM-AF59

Own an undisputed masterpiece of 90s design. The iconic yellow Sony Sports WM-AF59 features heavy-duty water-resistant rubber gaskets, tactile mechanical buttons, and a highly sensitive digital TV/AM/FM tuner alongside its rugged cassette playback deck.

This unit has been completely disassembled, deep-cleaned, and electronically tuned by an IPC-certified electronics technician to meet factory performance standards. This isn't a risky, unserviced thrift store find; it has been professionally rebuilt for daily reliable playback.

 Key Features & Specs

Iconic Yellow Sports Chassis: Built like a tank with rubber seals, designed to stand out and handle daily portable use.

Mega Bass Sound: Sony's classic analog bass boost circuitry for deep, punching low-end frequencies.

Digital Radio Tuner: Features an LCD screen with a digital clock and station presets for seamless tracking.

Power: Runs on 2 x AA batteries.

Condition Note: Missing the plastic battery cover. This does not affect functionality—the batteries sit snugly in the compartment and power the unit flawlessly. Otherwise in excellent vintage cosmetic condition; mechanically and electronically pristine.

 The Refurbishment Process

New Precision Belt: Fitted with a premium, correct-spec high-torque drive belt to ensure perfectly stable tape speed (ultra-low wow and flutter).

Mechanical Overhaul: The rugged tape transport mechanism and internal capstans were stripped of old, hardened lubricants and re-greased with high-grade synthetic watch oils.

Audio Calibration: The playback head was demagnetized and precision-aligned via an oscilloscope to restore crisp high frequencies and perfectly balanced stereo imaging.

DeoxIT Contact Treatment: The volume wheel, function switches, and headphone jacks were chemically treated to completely eliminate audio scratching or signal dropouts.

Speed Tuned: Motor speed was electronically calibrated to exactly 3,000 Hz using a professional digital frequency counter.

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