AM/FM Stereo Tuner 4020A

NAD, New Acoustic Dimension; Ontario

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  • Year
  • 1981 ?
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 310014

 Technical Specifications

  • Number of Transistors
  • Semiconductors present.
  • Semiconductors
  • Main principle
  • Superheterodyne (common)
  • Wave bands
  • Broadcast (BC) and FM or UHF.
  • Details
  • Hi-Fi equipment
  • 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: AM/FM Stereo Tuner 4020A - NAD, New Acoustic Dimension;
  • Shape
  • Book-shelf unit.
  • Dimensions (WHD)
  • 420 x 96 x 240 mm / 16.5 x 3.8 x 9.4 inch
  • Notes

  • Stereo AM/FM (MW/VHF) hi-fi tuner. Optional rack mount handles. On the rear, an adjustable AM aerial, AM aerial connector, 75Ω and 300Ω connectors for FM aerial and a 75Ω F type FM aerial socket, RCA line out sockets and a de-emphasis switch (25µS, 50µS, 75µS).

    FM TUNER SECTION
    Input sensitivity  Mono -30dB THD+N ......:  10.9dBf (1.9µV/75Ω)
                            Mono  50dB S/N ...........:  16dBf (3.5µV/75Ω)
                            Stereo 50dB S/N ...........:  37dBf (40µV/75Ω)
    Capture ratio (45 - 65dBf) .......................:  1.5dB
    AM rejection (45 - 65dBf) .......................:  60dB
    Selectivity ............................................:  65dB
    Image rejection .....................................:  50dB
    IF rejection ...........................................:  75dB
    Harmonic distortion Mono ......................:  0.2%
                                 Stereo ....................:  0.3%
    Signal/Noise ratio    Mono .....................:  75dB
                                 Stereo ....................:  70dB
    Frequency response ±0.5dB ..................:  30Hz - 15kHz
    Channel separation at IkHz ....................:  42dB

    AM TUNER SECTION
    Usable sensitivity .................................:  250µV
    Selectivity ...........................................:  30dB
    Image rejection ....................................:  50dB
    IF rejection ..........................................:  40dB

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

    Similar to the NAD 4020 FM Stereo Tuner which does not have AM.

    Made in Taiwan

     

  • Net weight (2.2 lb = 1 kg)
  • 4.2 kg / 9 lb 4 oz (9.251 lb)
  • Mentioned in
  • - - Manufacturers Literature (NAD 4020A brochure dated January 1981)
  • Literature/Schematics (1)
  • - - Manufacturers Literature (Service Manual for the NAD 4020A AM/FM Stereo Tuner)
  • Author
  • Model page created by Howard Craven. See "Data change" for further contributors.

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