Philips EL 3524

Data

General

• Manufacturer: Philips
• Model: EL 3524 (other name for the RK 50)
• Type: Tube stereo 4-track tape recorder
• Years of manufacture: 1958 - 1960
• Made in: Germany
• Color: 2-colored gray / blue
• Material: wooden case
• Power consumption: 60 watts
• Dimensions (WxDxH): 400 x 330 x 220 mm
• Weight: 13.5 kg
• Original price approx.: 639 DM

Connections

• Number of outputs: 3
  • Radio: 1 V, 500 kOhm
  • Loudspeaker 3,5 W
  • Headphones
• Number of inputs: 3
  • Microphone: 2 mV, 100 kOhm
  • Record player: 60 mV, 2.2 MOhm
  • Radio (diode): 3 mV, 100 kOhm

Technical Data

• Max. coil diameter: 18 cm
• Drive: 1 asynchronous motor
• Heads: 2
• Tracks: 4
• Tape speeds: 4.75 cm/s, 9.5 cm/s, 19 cm/s
• Slip:
• Synchronous fluctuations: < 0.2 %
• Pitch fluctuations:
• Frequency response:
  • 4.75 cm/s: 50 - 8000 Hz
  • 9.5 cm/s: 30 - 14000 Hz
  • 19 cm/s: 30 - 20000 Hz
• Signal-to-noise ratio: > 45 dB
• External signal-to-noise ratio:
• Distortion factor:
• Equalization:
• Crosstalk attenuation:
• Cancellation attenuation:
• Premagnetization and extinction frequency:
• Output power built-in speaker: 3 W (can be switched off).
• Output power: external speaker 3.5 W, 5 Ohm

Special Features

• With built-in speakers
• Built-in mixer for microphone, phono and radio
• Trick button
• Lockable quick stop button
• Magic tape for level control
• Tape counter with zero
• Tone control for playback
• Can also be used as a record player preamplifier
• Suitable for dubbing of cine films and slides
• Connection possibility for foot switch

• Other models in the same series:
  • Philips EL-3515
    • EL 3515
  • Philips EL-3541
    • EL 3541
  • Philips EL-3531
    • EL 3531
  • Philips EL-3522
    • EL 3522
  • Philips EL-3524
    • EL 3524
  • Philips EL-3536
    • EL 3536

Pictures

• Image: Philips EL-3524

Links

• More about Philips tape recorders: tape machines and cassette decks