Sony WM-504

Data

General

• Manufacturer: Sony
• Model: WM-504'
• Type: Stereo Cassette Player
• Years of manufacture: 1987 - 1989
• Made in: Japan
• Color: black - acrylic cassette door
• Remote control: via supplied earphones
• Power consumption:
• Batteries: 1 x R6/LR6 AA - 1.5 V
• Dimensions: 107.8 x 23.5 x 74.5 mm (without accessories) / 109.2 x 24.3 x 76.0 mm (with accessories)
• Weight: 155g (without battery) / 200g (incl. battery)
• Original price approx:

Connections

• Number of inputs: --

• Number of outputs: 1 x jack 3.5 mm
  • Headphones 8 - 300 Ω

Technical Data

• Sound heads: 1
• Motors: 1 DC Servo
• Belt speed: 4,8 cm/sec
• Synchronization fluctuations: < 0,45% DIN / 0,04 (NAB)
• Tape types: FE/CR/ME (TYPE I/II/IV)
• Frequency response:
  • Type I Normal: 20 - 15,000 Hz

Type II CrO2: 20 - 15,000 Hz Type IV Metal: 20 - 15,000 Hz

• Distortion factor: < 3
• Signal-to-noise ratio:
  • Band Type I / Dolby off > 43 dB
  • Band Type IV / Dolby off > 45 dB
• Power output: 4.5 mW + 4.5 mW at 18 Ω (at 10% harmonic distortion).
• Auto-Reverse: yes
• Tape selector: manual
• Dolby: B
• MPX filter: no
• Fader: no
• Pitch control: no
• CD synchro recording: no

Operating Times

• approx. 4 hours with Sony battery NC-6WM
• approx. 3.5 hours with Sony SUM-3 (AA battery)
• approx. 7 hours with Sony Alkaline AM3 (AA battery)

Special Features

• Carrying case
• DBB (Dynamic Bass Boost) MegaBass system
• Endless function or one-time page change (manual)
• separate battery compartment
• Battery charger
• Sony earphones
• optional: AC-D1M power supply (In: 230-240V, 50Hz, 4W - Out: 1.5V)

Remarks

Other models in the same series

• Sony WM-102
• Sony WM-501
• Sony WM-503

Pictures