Title: MINT Boxed Sony WM-D6C Walkman Professional — Amorphous Head — Fully Tested & Working

Subtitle: Museum-grade example with original box, case, and accessories. Serial No. 0179797.

Condition: Mint (Collector Grade)

Seller's Note: This unit is in exceptional, "New Old Stock" condition. It has been carefully tested with batteries and performs perfectly with stable speed and clear audio. The original box and all internal accessories are included.

Description:

Available for purchase is the "Holy Grail" of portable analog audio: the Sony WM-D6C Walkman Professional. Widely considered the finest portable cassette recorder ever made, this specific unit features the legendary Amorphous Head (Serial Range: 179,xxx), prized by audiophiles for its superior frequency response and extreme durability.

Key Features of This Unit:

Quartz-Locked Speed: Ensures rock-solid pitch stability (zero wow & flutter).

Amorphous Head: The high-tier recording/playback head found in early-to-mid production units.

Dolby B & C NR: Professional-grade noise reduction for studio-quality recording.

Complete Set: Includes the original silver-stripe "Professional" box, leather carrying case, shoulder strap, and battery sled.

Operational Status:

Unlike most "untested" vintage units, this Walkman has been verified for performance:

Playback: Tested and confirmed to play at the correct speed.

Recording: Tested via Line-In; LED peak meters and recording functions are 100% operational.

Battery Compartment: Pristine; zero corrosion or leakage.

Included in Sale:

Sony WM-D6C Professional Unit (Serial: 0179797)

Original Silver "Walkman Professional" Box

Original Sony Leather "Expert" Case & Shoulder Strap

Original Internal Battery Holder

CRITICAL WARNING FOR BUYER:

This unit requires a center-negative 6V DC power supply. Using a modern center-positive adapter will instantly destroy the speed-control IC. It is recommended to use high-quality AA batteries for the safest operation.