• Year
  • 1962 ?
  • Category
  • Sound/Video Recorder and/or Player
  • Radiomuseum.org ID
  • 310555

 Technical Specifications

  • Number of Tubes
  • 7
  • Main principle
  • Audio-Amplification
  • Wave bands
  • - without
  • Details
  • Tape Recorder
  • Power type and voltage
  • Alternating Current supply (AC) / 200-250 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) - elliptical
  • Power out
  • 2.5 W (unknown quality)
  • Material
  • Leather / canvas / plastic - over other material
  • from Radiomuseum.org
  • Model: Tape Recorder 5A - Ferrograph, British Ferrograph
  • Shape
  • Tablemodel, Box - most often with Lid (NOT slant panel).
  • Dimensions (WHD)
  • 18.5 x 9.75 x 17.5 inch / 470 x 248 x 445 mm
  • Notes
  • A transportable two track two speed mono tape recorder.

    Specification
    Recording Medium                          Standard or "Extra Play" ¼" plastic coated tape.
                                                         On reels up to a maximum of 8¼" dia. coating inside
    Track Width                                    0.1"—displaced to one edge.
    Number of Tracks                            2
    Operating Tape Speeds                    7½ and 3¾ ips
    Playing Time Per Track                    Large Reel            45 mins at 7½ ips
                                                         1,750 ft. Std. Tape  90 mins at 3¾ ips
    Playing Time Per Reel                     11 hours and 3 hours respectively.
                                                          Note :- The above playing times will be increased
                                                          when "extra play" tape is used.
    Rewind Time (and Wind On)              Less than one minute for 1,750 ft. reel standard tape
    Frequency Response                       3¾ ips  40-10,000 Hz. ± 3dB
                                                          7½ ips  40-15,000 Hz. ± 3dB
    "Wow & Flutter"                               Less than 0.16% at 7½ ips
     (As a change in tape velocity)
    Long Term Speed Stability                Better than 0.5%
     (For constant Mains Input Frequency)
    Erase and Bias Frequency               68 kHz. approximately.
    Input Levels                                     Input 1, min. signal 0.003V RMS.
      (For Full Depth Recording)              Input 2, min. signal 0.15V RMS.
                                                          Impedances, 1 Megohm and 80Kohms respectively.
    Output Arrangements                      15 ohms 10" x 6" internal elliptical speaker.
                                                         Socket on front panel for external speakers.
    Output Power                                 2.5 watts into 15 ohms.
    Signal to Noise Ratio                      In the range 200Hz. to 15 kHz, better than 50dB
                                                         Unweighted, including hum, 45dB.

    The Ferrograph 5A can be converted to Ferrograph 5S stereo specification by replacing the dummy head in head position 3 with a stereo FP16 head.

  • Net weight (2.2 lb = 1 kg)
  • 49.75 lb (49 lb 12 oz) / 22.587 kg
  • Literature/Schematics (1)
  • - - Manufacturers Literature (The Manual of the Ferrograph Series 5 published 1962)
  • Author
  • Model page created by Howard Craven. See "Data change" for further contributors.

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