FM Tuner Delta 280

A&R Cambridge Ltd. (ARCAM); Waterbeach, Cambridge

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  • Year
  • 1994 ?
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 282808

 Technical Specifications

  • Number of Transistors
  • Semiconductors present.
  • Semiconductors
  • Main principle
  • PLL, Phase-locked loop; ZF/IF 10700 kHz; Hi-Fi-High End products
  • Tuned circuits
  • 18 FM circuit(s)
  • Wave bands
  • FM Broadcast Band Only
  • Details
  • Remote Control (with wire or wireless)
  • Power type and voltage
  • Alternating Current supply (AC) / 50-60Hz; 230 Volt
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: FM Tuner Delta 280 - A&R Cambridge Ltd. ARCAM;
  • Shape
  • Book-shelf unit.
  • Dimensions (WHD)
  • 430 x 84 x 230 mm / 16.9 x 3.3 x 9.1 inch
  • Notes

  • An FM stereo hi-fi tuner with a digital display and remote control (CR25).  Press buttons for Auto automatic/manual tuning, Tuning up and down, IF filter, Mono and Display on/off. Signal strength meter. Memory for 20 preset radio stations. RCA sockets for two audio outputs, a 75ohm socket for FM aerial (some examples have two FM aerial sockets with a selector switch).

    Uses sealed front-end module, more than 21 integrated circuits and more than 33 transistors.

    Specification
    FM tuning range                   87.5 to 108.0MHz
    Tuning system                     Phase-locked-loop
    Frequency step                    50kHz
    Presets                               20
    Sensitivity (HF)                    typically 1.4uV
    Alternate channel selectivity better than 60dB
    AM suppression ratio           better than 50dB
    Capture ratio                       typically 1.5dB
    Signal Strength meter          4 segment LED
        sensitivity                          typically 2uV to 2mV
    Frequency response            20Hz-12kHz +/-0.5dB
                                                typically -2dB at 15kHz
    Ultimate S/N ratio (CCIR)
               Mono                      better than 75dB
               Stereo                     better than 72dB
    Total harmonic distortion 96MHz reference, 22.5kHz deviation at 1kHz
               Mono                      better than 0.10%
               Stereo                    better than 0.30% (using MPX filter)
    Channel separation (1kHz)  better than 40dB
    Pilot tone suppression        better than 50dB
    Output impedance              25ohm
    Min. recommended load     1kohm
    Output level                       850mV at 75kHz deviation

    Supplied accessories         
      FM dipole aerial
      co-ax plug adaptor
      mains lead
      CR25 Handi-Remote control
      F-Type aerial adaptor

  • Net weight (2.2 lb = 1 kg)
  • 2.2 kg / 4 lb 13.5 oz (4.846 lb)
  • Price in first year of sale
  • 400.00 GBP
  • Literature/Schematics (1)
  • - - Manufacturers Literature (Delta 280 Tuner Handbook)
  • Author
  • Model page created by David Freeborough. See "Data change" for further contributors.

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