FM Stereo Tuner RT-990BX

Rotel, The, Co., Ltd.; Tokyo

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  • Year
  • 1993 ?
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 308234

 Technical Specifications

  • Number of Transistors
  • Semiconductors present.
  • Semiconductors
  • Main principle
  • PLL, Phase-locked loop
  • Wave bands
  • FM Broadcast Band Only
  • Details
  • Remote Control (with wire or wireless)
  • Power type and voltage
  • Alternating Current supply (AC) / 120 or 220 or 240 Volt
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: FM Stereo Tuner RT-990BX - Rotel, The, Co., Ltd.; Tokyo
  • Shape
  • Book-shelf unit.
  • Dimensions (WHD)
  • 440 x 72 x 318 mm / 17.3 x 2.8 x 12.5 inch
  • Notes

  • A stereo hi-fi tuner covering FM with a digital frequency display and with remote control RR-909. Memory for 16 radio stations which are stored and selected from the remote control, press buttons for Standby, Mono, Mute, RF Attenuate, Wide Band, Auto Tuning, and Tuning Up and Down, five Signal Strength LEDs, Stereo and Mono Indicators and Preset Station number display. On the back, an FM antenna terminal and RCA phono Line Output sockets.

    Specification  
    Frequency Range 87.5 to 108MHz
    Antenna Input Impedance 75Ω unbalanced
    Usable Sensitivity Mono 10.8dBf (0.95µV) at 75Ω
    50dB Quieting Sensitivity  
     Mono
     Stereo    		 14.8dBf (1.5µV) at 75Ω
    37.2dBf (20µV) at 75Ω
    Capture Ratio 1.0dB
    Alternate Channel Selectivity Wide: 50dB, Narrow: 80dB
    Adjacent Channel Selectivity 15dB (Narrow)
    Spurious Response Ratio 100dB
    Image Response Ratio 80dB
    IF Response Ratio 100dB
    AM Suppression Ratio 60dB
    Muting threshold 18V
    Output Level 1.0V rms
    Frequency Response 30 to 15,000Hz ±0.5dB
    Signal to Noise Ratio (at 65dBf) Mono:  87dB, Stereo:  82dB
    Harmonic Distortion (at 65dBf) Mono:  0.05% at 1kHz, Stereo:  0.12% at 1kHz
    Stereo Separation 100Hz: 45dB, 1kHz: 50dB, 10kHz: 40dB
    De-emphasis 50µS (Europe), 75µS (America)

    Versions/Power Requirements
    120 V AC 60Hz
    220-240 V AC 50Hz

    Power consumption: 12 watts

  • Net weight (2.2 lb = 1 kg)
  • 5 kg / 11 lb 0.2 oz (11.013 lb)
  • Literature/Schematics (1)
  • - - Manufacturers Literature (Technical Manual for the RT-990BX)
  • Literature/Schematics (2)
  • - - Manufacturers Literature (Owner's Manual for the RT-990BX)
  • Author
  • Model page created by Howard Craven. See "Data change" for further contributors.

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