Sony WM-503

Data[edit]

General

  • Manufacturer: Sony
  • Model: WM-503'
  • Type: Stereo Cassette Player
  • Years of manufacture: 1987 - 1989
  • Made in: Japan
  • Color: black - gray - white - and also black with acrylic cassette cover
  • 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[edit]

Other models in the same series


Pictures[edit]

WM-503a.png

WM-503b.png

WM-503c.png


Reports[edit]

Links[edit]