Siemens RS 444

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Data

General

  • Manufacturer: Siemens
  • Model: RS 444, component of the complete system Siemens System 444
  • Years of construction: 1979 - 1981
  • Color: Brown / Bronze
  • Remote control: no
  • Power consumption: max 320 W
  • Dimensions: 464 x 140 x 300 mm (WxHxD)
  • Weight: 15 kg
  • Original price approx.: 1'280 DM


Connections

  • Number of inputs: 4
    • 2x tape / cassette dek (one of them for rear tape control)
    • record player
    • microphone
  • Number of outputs: 3
    • 2x LS pairs
    • stereo headphones


Technical Data

Amplifier

  • Continuous power (at distortion)

4 Ohm: 50 W

  • Dynamic power
    • 4 Ohm: 70 W
  • Total harmonic distortion: 0.09%
  • Attenuation factor:
  • Frequency response: 15 - 20,000 Hz
  • Signal to noise ratio: >60 dB Phono/TB
  • Stereo channel separation:
  • Tone control:
    • Bass: ±10dB at 100 kHz
    • Treble: ±10dB at 10 kHz
  • Loudness:
  • High Filter: -12/octave at 3 kHz
  • Low Filter (Subsonic): -12/octave at 50 Hz
  • Mute:
  • Direct/Line-Straight:


Tuner

  • Reception: FM, MW, LW
  • Frequencies:
    • FM: 87.5-108 MHz

MW: 515-1605 kHz LW: 146-350 kHz

  • Frequency response: 20 - 15,000 Hz (±3 dB)
  • Input sensitivity:
    • Mono: 0.9 µV at 26 dB

Stereo: 35 µV at 46 dB

  • Distortion factor: <0,3%
  • Signalrauschabstand:
    • Mono: >70 dB

Stereo: >50 dB

  • Channel separation:
  • Selectivity: >65 dB
  • Co-wave selection:
  • Spurious wave selection:
  • IF attenuation:
  • IF attenuation: >90 dB
  • AM suppression: >50 dB
  • Output level:
  • RDS: no
  • Station memory:


Special Features

  • Display instruments for field strength, FM centre display and reception frequency (analogue display)


Remarks




Pictures

  • Extract from brochure: Siemens System 444, System 555

Siemens System 444-555-1980.jpg


Reports

Links

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