Fisher AD-840 specifications

Category : CD-Player

Brand : Fisher

General

Connections

Tech nical data

  • Manufacturer: Fisher
  • Model: AD-840, component of the overall Fisher System 670 system
  • Type: CD Player
  • Years of manufacture: 1984 - 1986
  • Manufactured in: Japan
  • Colors: Champagne, Black
  • Remote control: No
  • Power consumption: 20 W
  • Dimensions: 400 x 88 x 288 mm (WxHxD)
  • Weight: 4.6 kg
  • Factory price approx.: 1' 300 DM
  • Number of inputs: 0
  • Number of outputs: 1
    • Line OUT
    Line OUT
  • Converter: 16bit D/A converter
  • Frequency response: 5Hz - 20kHz
  • < li>Dynamic Range: >90 dB
  • Signal-to-noise ratio: >90 dB
  • Total Harmonic Distortion: 0.006%
  • Channel Separation: >90 dB at 1kHz
  • CD Text: No
  • MP3 Support: No
  • Pitch Control: No
  • Automatic Playback:
  • Shuffle:
  • Title Programming: Yes
  • Repeat: Yes
  • Plays CD-R/CD-RW/HDCD: Yes/No/Yes
  • Other models of the same series:
  • Fisher AD-840
  • Fisher AD-844
  • Picture: Fisher AD-840
  • Review from Hifi-Museum:
  • Fisher AD-840/AD-844
  • Since the two Fisher CD players are practically identical except for slight differences in equipment and design, we dedicate a joint review to you. For example, the AD-840 is in silver and the AD-844 is in black, both have very fast and fully extending drawers, so that the playing surface of the CD does not have to be touched when inserting. However, the noise generated when the charger is moved in and out could be slightly lower, especially with a medium that generates as little electrical noise as the CD.
  • The display looks very eye-friendly and elegant, which automatically displays the total playing time and the number of tracks contained for a short time after loading, the elapsed track time during operation and the remaining time of the record or program at the touch of a button.
  • Convenient access
  • The access options are pleasing. You can listen in on the fast forward and rewind, and after about three seconds the device switches to a higher speed on its own. There is also the jump function in both directions, when the stop button is pressed once, the laser scanner jumps back to the beginning of the track, pressed twice to the beginning of the CD.
  • The program memory holds a maximum of 23 tracks, during the programming process the display automatically shows the total time of the program. If desired, the entire disk or the program can be repeated. The track numbers once stored can also be called up one after the other.
  • As additional features, the AD-844 has the ability to repeat a section to be marked between any two selectable times, as well as a headphone output with level control, which provides enough output power.
  • The inscription of a small slide switch on the AD-844 causes a stir. "Single" does not mean, for example, the player's ability to play single CDs, which do not (yet) exist, but the automatic switch to the pause status after completion of a track. A further switch position allows timer operation.
  • Frequency responses not optimal
  • If a slight level drop in the upper band range has hardly any auditory effect, the manufacturer must be advised to take a little more care here, especially since it is obviously a series dispersion.
  • Otherwise, both devices behave very well with regard to their measurement results. This also applies in particular to the immunity to interference, which is important in practice. The quality profile applies to the AD-840, only the bar length "equipment" is to be extended by one step for the AD-844, it also missed the absolute top class by a few points. rp

Fisher AD-840


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