3 Waveband Tuner Alpha

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

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  • Year
  • 1985 ?
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 158189

 Technical Specifications

  • Number of Transistors
  • Semiconductors present.
  • Semiconductors
  • Main principle
  • Superheterodyne (common)
  • Wave bands
  • Broadcast, Long Wave and FM or UHF.
  • Details
  • Hi-Fi equipment
  • Power type and voltage
  • Alternating Current supply (AC) / 100-120 or 200-250 Volt
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: 3 Waveband Tuner Alpha - A&R Cambridge Ltd. ARCAM;
  • Shape
  • Book-shelf unit.
  • Dimensions (WHD)
  • 400 x 95 x 231 mm / 15.7 x 3.7 x 9.1 inch
  • Notes

  • An analogue FM/MW/LW stereo hi-fi tuner with manual tuning. Push buttons for AFC and Mono. RCA sockets for Audio Output, RCA sockets for AM loop aerial and 75 ohm FM aerial socket.

    Specification
    FM tuner section
    Tuning range                      88 to 108 MHz
    Sensitivity (I.H.F)                typically 1.4uV
    Total harmonic distortion 95MHZ ref. 22.5kHz deviation at 1 kHz
                             MONO     better than 0.15%
                             STEREO  better than 0.26%
    Ultimate signal/noise ratio (CCIR/ARM)
                            MONO      better than 70dB
                            STEREO   better than 68dB
    Frequency response          20Hz-12kHz +/-0.5dB. typically -2dB at 15 kHz
    Channel separation           1kHz better than 40dB
    Pilot tone suppression       Better than 50dB
    Capture ratio                     Typically 1.5dB
    Alt. channel selectivity       Better than 60dB
    AM suppression                Better than 50dB

    AM tuner section
    Frequency range               MW 530-1600 kHz, LW 160-270 kHz
    Distortion                         Typ. 0.4% at 50% modulation.
    Ultimate signal/noise ratio Typ. 50dB CCIR weighted, ref 30% modulation

    General
    Output impedance            1.8 kohm
    Recommended load          20 kΩ or greater
    Output level                      800mV at 75kHz deviation.

    Spares kit
      FM ribbon aerial
      AM loop aerial
      Phono-phono lead
      Station markers

    Power requirements
    200-250 volts AC only. 6VA (100-120 volt AC conversion possible).

     

  • Net weight (2.2 lb = 1 kg)
  • 2 kg / 4 lb 6.5 oz (4.405 lb)
  • Source of data
  • -- Original-techn. papers.
  • Literature/Schematics (1)
  • - - Manufacturers Literature (Arcam Alpha 3 Waveband Tuner Owner's Handbook Issue 1 dated 11/85)
  • Author
  • Model page created by Franz Scharner. See "Data change" for further contributors.

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