Difference between revisions of "Denon DRS-640"

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__NOTOC__
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== Data ==
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{{navigation}}
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'''General'''
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* Manufacturer: [[Denon]]
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* Model: DRS-640
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Type: Cassette Tape Deck
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* Years of manufacture: 1994 - 1999
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* Made in: Japan, China
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* Color: Black, Nickel Silver (Champagne)
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* Remote control: in the Denon system remote controllable
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* Power consumption: 18 watts
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* Dimensions: 435 x 122 x 310 mm (W x H x D)
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* Weight: 5.4 kg
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* Original price: 530 DM (1998: compare Audio 7/1998, p.15; 1994: Hifi Vision 7/1994, p.44, Stereo 7/1994, p.22)
 +
 
 +
 
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'''Connections'''
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* Inputs:
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** Line (2x RCA RCA).
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* Outputs:
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** Line (2x RCA cinch)
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Headphone (RCA cinch)
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 +
 
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'''Technical Data'''
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* Audio heads: 2
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* Motors: 3
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* Belt speed: 4,75 cm/ s
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* Synchronization fluctuations: ± 0.06 % (WRMS), 0.10 (DIN, rated; cf. Stereo 7/1994, p.19).
 +
* Band types: Type I / II / IV
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* Frequency response:
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** Metal: 25 - 18,000 Hz
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* Distortion factor (band type IV):
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* Signal-to-noise ratio (band type II):
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** 74 dB (Dolby C)
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* Dolby: HX-Pro / B / C
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* MPX filter: yes, switchable
 +
 
 +
 
 +
'''Special Features'''
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* Cassette deck with turntable in horizontal design, with out-running drawer as with CD players
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* Bias fine tuning
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* Headphone output
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* Timer pre-equipment for recordings/playback to be programmed
 +
 
 +
 
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'''Other'''
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* Electronic drive control
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* Single-capstan drive
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* Counter: electronic, 4-digit, with memory stop
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* Auto-Reverse: no
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* Title search:
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* Fader/Mute: no
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* Pitch control: no
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* CD synchro recording: yes
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 +
 
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== Comments ==
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* Technically related to [[Harman/kardon TD 420]] and [[Harman/kardon TD 450]] (both also with horizontal drive, same belts are used).
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* Other models in the same series:
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** [[Denon DRS-610|DRS-610]]
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** [[Denon DRS-640|DRS-640]]
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** [[Denon DRR-780|DRR-780]]
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** [[Denon DRS-810|DRS-810]]
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== Pictures ==
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* Image: Denon DRS-640
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[[File:Drs640.jpg]]
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 +
 
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== Reports ==
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* Stereo 7/1994: major comparison test: satisfactory, no star. "Plus: uncolored sound with single layer tapes. Minus: not particularly low-noise, risk of hum due to plastic housing" (Stereo 7/1994, p.22).
 +
* Hifi Vision 7/1994, comparison test. Overall rating good. Sound, features and workmanship 70 % each.
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* Audio 7/1998: (last) comparison test for cassette decks by Audio: middle class, 2 ears. Sound 55 points. Workmanship and operation good, features satisfactory, price/performance: satisfactory.
 +
 
 +
 
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== Links ==
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Comparative test, see website "Revoxsammler": [http://www.revoxsammler.ch/Testberichte%20Kassettengeraete/Cassettendeck%20B21%201994.pdf Stereo-Vergleichstest 1994].
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[[Category:Cassette decks]]

Latest revision as of 17:12, 7 January 2020

Data[edit]

General

  • Manufacturer: Denon
  • Model: DRS-640

Type: Cassette Tape Deck

  • Years of manufacture: 1994 - 1999
  • Made in: Japan, China
  • Color: Black, Nickel Silver (Champagne)
  • Remote control: in the Denon system remote controllable
  • Power consumption: 18 watts
  • Dimensions: 435 x 122 x 310 mm (W x H x D)
  • Weight: 5.4 kg
  • Original price: 530 DM (1998: compare Audio 7/1998, p.15; 1994: Hifi Vision 7/1994, p.44, Stereo 7/1994, p.22)


Connections

  • Inputs:
    • Line (2x RCA RCA).
  • Outputs:
    • Line (2x RCA cinch)

Headphone (RCA cinch)


Technical Data

  • Audio heads: 2
  • Motors: 3
  • Belt speed: 4,75 cm/ s
  • Synchronization fluctuations: ± 0.06 % (WRMS), 0.10 (DIN, rated; cf. Stereo 7/1994, p.19).
  • Band types: Type I / II / IV
  • Frequency response:
    • Metal: 25 - 18,000 Hz
  • Distortion factor (band type IV):
  • Signal-to-noise ratio (band type II):
    • 74 dB (Dolby C)
  • Dolby: HX-Pro / B / C
  • MPX filter: yes, switchable


Special Features

  • Cassette deck with turntable in horizontal design, with out-running drawer as with CD players
  • Bias fine tuning
  • Headphone output
  • Timer pre-equipment for recordings/playback to be programmed


Other

  • Electronic drive control
  • Single-capstan drive
  • Counter: electronic, 4-digit, with memory stop
  • Auto-Reverse: no
  • Title search:
  • Fader/Mute: no
  • Pitch control: no
  • CD synchro recording: yes


Comments[edit]

Pictures[edit]

  • Image: Denon DRS-640

Drs640.jpg


Reports[edit]

  • Stereo 7/1994: major comparison test: satisfactory, no star. "Plus: uncolored sound with single layer tapes. Minus: not particularly low-noise, risk of hum due to plastic housing" (Stereo 7/1994, p.22).
  • Hifi Vision 7/1994, comparison test. Overall rating good. Sound, features and workmanship 70 % each.
  • Audio 7/1998: (last) comparison test for cassette decks by Audio: middle class, 2 ears. Sound 55 points. Workmanship and operation good, features satisfactory, price/performance: satisfactory.


Links[edit]

Comparative test, see website "Revoxsammler": Stereo-Vergleichstest 1994.