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− | __NOTOC__
| + | [[Datei:Drs640.jpg]] |
− | == 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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− | '''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).
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− | * 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
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− | '''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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− | == 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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− | == 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).
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− | * 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]]
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