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Sony WM-DD9 Quartz DD Walkman –  highest grade model, A Rare Collector’s Gem.
Own a piece of audio history with the legendary Sony WM-DD9 Cassette Walkman!

The Sony WM-DD9 is one of the most sought-after and rare Walkman models ever produced. Known for its Direct Drive Quartz Lock System, this Walkman represents the pinnacle of cassette player engineering. With a sleek design and high-quality sound, the WM-DD9 remains a true masterpiece of portable audio.

Why is the WM-DD9 so rare?
Top-Tier Sound Quality:
The DD9 is the only Walkman in Sony's DD series to feature a quartz-locked, dual-capstan direct drive mechanism, ensuring incredibly stable playback speed and near-perfect audio fidelity.

Limited Production:
Sony produced this model in limited quantities, making it hard to find – especially in excellent working condition.

Premium Build Quality:
The Walkman is made from high-grade materials, including a solid, precision-engineered aluminum body that ensures durability and a luxurious feel.

Audiophile Favorite:
Recognized by collectors and audiophiles as one of the best cassette players ever made, the WM-DD9 delivers an unmatched analog audio experience.

Specifications:
Release Year: 1989
Weight: 330 grams
Features:
Direct Drive Quartz Lock System
Auto-Reverse Playback
High-precision dual-capstan mechanism
Compact, solid aluminum build
Condition:
The device is in excellent condition for its age, with minor signs of wear. Fully functional, delivering the classic warm analog sound that cassette enthusiasts cherish.

Good - Number of items: 1 - Including: Case

Sony - WM-DD9 Quartz DD - Walkman

Audio Equipment

Reserve price

No reserve price

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tomorrow

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Wednesday

Friday

Tuesday

today

21 March

Monday

22 March

Location

The Netherlands

Italy

France

Germany

Spain

Belgium

Romania

Japan

Denmark

Portugal

Poland

Austria

United Kingdom

Hungary

Hong Kong

Lithuania

Greece

Latvia

Switzerland

Croatia

Ireland

Sweden

Slovak Republic

Brand

Bang & Olufsen

Sony

Technics

Pioneer

Bose

Philips

Marantz

Akai

Denon

Harman Kardon

Yamaha

Onkyo

Kenwood

Sansui

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Grundig

Revox

Rotel

Bower & Wilkins

Luxman

Braun

Object

Speaker set

CD player

Solid state integrated amplifier

Hi-fi set

Solid state stereo receiver

Record player

Audio-cassette deck

Cassette recorder-player

Turntable

Radio

Solid state multi-channel receiver

Speaker

Tuner

Subwoofer speaker set

Stereo set

Audio component

Headphone

Solid state amplifier

Audio amplifier

Portable radio

Equalizer

Walkman

Flat screen TV

Preamplifier

Solid state power amplifier

Country of origin

Netherlands

United States

Material

Plastic

Aluminium

Gold-plated

Metal

Rubber

Wood

Condition

Good

Very good

Excellent

Mint

Various conditions

Very Good Plus (VG+)

Good condition - used with small signs of ageing

Mint & Sealed (M&S)

Excellent (EX)

Good condition - used with small signs of aging & blemishes

Fair & Poor

As new - unused

Mint (M)

Excellent condition: barely used with minimal signs of wear

Fair condition -  heavily used & with possibly minor parts missing

Extras

No extra's

Power cord

Remote control

+ Extra item (see description)

Refurbished

Original user manual

Power supply

Power Adapter

Case

Brochures

No cables

Flight Case

Anti-pop Filter

In original box

Period

2010-2020

2000-2010

1980-1990

1990-2000

1960-1970

1970-1980

2020+

2025

Style

Vintage

Contemporary

Scandinavian design

Colour

Black

Silver

Blue

Brown

Grey

White

Beige

Tested and working

Tested and working/playable

Not tested

1900-2000

After 2000

1400-1900

Record Label

Music memorabilia type

Box Set

Creator

Dieter Rams

Japan & Related

Achille Castiglioni

Marco Zanuso

Very good - Number of items: 1 - Including: Power cord

Tivoli - Model One by Henry Kloss Radio

Number of items: 10 - Various conditions

10 Pieces Vintage Scotch 18 cm Reels (1 Hole) in a Sturdy Plastic Box - 18 cm reels with tape - 1980

Excellent - Number of items: 1 - Including: Solid state stereo receiver - Power cord

Onkyo - CR-70R Solid state stereo receiver

Excellent - Number of items: 1 - Including: No extra's

Philips - FP 146 Record player

Excellent - Number of items: 3 - Including: Remote control, Power cord

Technics - SL-P277A CD player

Good - Number of items: 1 - Including: Solid state multi-channel receiver - Power cord

Marantz - SR-45 Solid state multi-channel receiver

Excellent - Number of items: 1 - Including: Headphone - Box

Richard Orlinski - Kong Headphone

Excellent - Number of items: 1 - Including: Solid state stereo receiver - No extra's

Sansui - R-30 Solid state stereo receiver

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Sony - WM-DD9 Quartz DD - Walkman

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