FM Stereo Tuner ST-9030

Technics (brand)

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  • Year
  • 1977–1981
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 84887

 Technical Specifications

  • Number of Transistors
  • 59
  • Semiconductors
  • Main principle
  • Superheterodyne (common)
  • Wave bands
  • FM Broadcast Band Only
  • Details
  • Hi-Fi equipment
  • Power type and voltage
  • Alternating Current supply (AC) / 110; 120; 220; 240 Volt
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: FM Stereo Tuner ST-9030 - Technics brand
  • Shape
  • Rack
  • Dimensions (WHD)
  • 450 x 92 x 370 mm / 17.7 x 3.6 x 14.6 inch
  • Notes

  • A hi-fi FM stereo tuner with an analogue dial housed in a black metal case with rack fttings. With a Servo Tuning circuit, an 8 gang tuning capacitor, automatic IF band selection, PLL MPX IC with pilot and subcarrier cancel circuits. With Tuning and Signal strength meters, rotary tuning control, push button switches for Hi-Blend (Auto, Off), Servo Tuning (Auto/Muting On, Off) and IF Select (Auto, Wide), indicators for FM Stereo and Wide. On the back, an F type coaxial 75 ohm FM antenna connector, RCA phono sockets for Line Output, Rec Output and FM Multipath Output, and a rotary Output Level control.

    Tunerbaustein mit 8-fach Drehkondensator; Linearskala. Zwei umschaltbare ZF-Verstärker (wide and narrow). 9 IC. Gehäusefarbe Schwarz.

    Specification DIN
    FM TUNER SECTION  
    Frequency range 88-108MHz
    Antenna impedance 75Ω (unbalanced)
    Sensitivity (±40kHz deviation)
     
     
         		 1.2µV (IHF, usable, 75Ω)
    1.2µV (S/N 30dB, 75Ω)
    1.1µV (S/N 26dB, 75Ω)
    1.0µV (S/N 20dB, 75Ω)
    Total harmonic distortion (1kHz)
     wide
     narrow    		  
    MONO 0.08%, STEREO 0.08%
    MONO 0.15%, STEREO 0.3%
    S/N (±40kHz deviation) MONO 75dB (IHF 80dB)
    Frequency response
     OUTPUT
     REC OUT    		  
    20Hz-18kHz +0.1dB,-0.5dB
    20Hz-15kHz +0.2dB,-0.8dB 
    Alt. channel selectivity (400kHz) wide 25dB, narrow 90dB
    Capture ratio wide 0.8dB, narrow 2.0dB
    Image rejection at 98MHz 135dB
    IF rejection at 98MHz 135dB
    Spurious response rejection at 98MHz 135dB
    AM suppression wide 58dB
    Stereo separation
         		 wide    1kHz: 50dB, 10kHz: 40dB
    narrow  1kHz: 40dB, 10kHz: 30dB
    Leak carrier
     OUTPUT 19kHz
     REC OUT 19kHz
                    38kHz    		  
    -60dB (IHF -65dB)
    -65dB (IHF -70dB)
    -65dB (IHF -70dB)
    Channel balance (250Hz-6300Hz)  0dB
    Limiting point  1.00µV (75Ω)
    Bandwidth  
     wide IF amplifier  300kHz
    FM demodulator 1.5MHz
     narrow IF amplifier  200kHz
    FM demodulator 1.5MHz
    Output voltage
     OUTPUT
     REC OUT    		  
    0-1.5V
    0.7V

    Power supply: 110/120/220/240V AC 50/60Hz with voltage selector
    Power consumption: 27 Watts

  • Net weight (2.2 lb = 1 kg)
  • 7.4 kg / 16 lb 4.8 oz (16.3 lb)
  • Price in first year of sale
  • 460.00 $
  • Source of data
  • -- Original prospect or advert
  • Mentioned in
  • -- Original prospect or advert (1978 and 1980-81 Technics Hi-Fi catalogues)
  • Literature/Schematics (1)
  • -- Original prospect or advert (Technics ST-9030 brochure)
  • Literature/Schematics (2)
  • - - Manufacturers Literature (Service manual Technics ST-9030)
  • Literature/Schematics (3)
  • - - Manufacturers Literature (Operating instructions Technics ST-9030)
  • Author
  • Model page created by Johann Schönauer. See "Data change" for further contributors.

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