Denon DRS-640 specifications

Brand : Denon

General

connectors

Tech nical data

special features

miscellaneous

manufacturer: Denon
model: DRS-640
type: cassette Tape Deck
year of construction: 1994 - 1999
Made in: Japan, China
color: Black, silver (champagne)
remote control: in the Denon System can be operated remotely
power consumption: 18 Watt
dimensions: 435 x 122 x 310 mm (B x H x T)
weight: 5.4 kg
original price: 530 DM (1998: cf. Audio 7/1998, p. 15; 1994: Hifi Vision 7/1994, p. 44, Stereo 7/1994, p. 22)

heads: 2
motor: 3
tape speed: 4.75 cm/ s
constant velocity fluctuations: ± 0,06 % (WRMS ), and 0.10 (DIN, rating; cf. Stereo 7/1994, p. 19)
band types: type I / II / IV
frequency response:
- Metal: 25 - 18.000 Hz
total harmonic distortion (tape type IV):
signal-to-noise ratio (type II):
- 74 dB (Dolby C)
Dolby: HX-Pro / B / C
MPX-Filter : Yes, switchable

cassette tape deck with the drive in horizontal construction, with out moving Load as in the case of CD players
Bias fine tuning
headphone output
Timer-ready to be programmed recording/ playback

Tech nically related with the models, Harman/kardon TD 420 and Harman/kardon TD 450 (both also with horizontal drive, it will be the same belts used)
Other models from the same series:
- DRS-610
- DRS-640
- DRR-780
- DRS-810

Stereo 7/1994: big comparison test: satisfactory, not a star. "Plus: uncolored sound with single-layer tapes. Minus: Not particularly low noise, hum risk due to plastic housing" (Stereo 7/1994, p.22)
Hifi Vision 7/1994, comparative test. Overall judgment is good. Sound, equipment and workmanship each 70 %.
Audio 7/1998: (last) comparison test for cassette decks for audio: mid-range, 2 ears. Sounded 55 points. Workmanship and operation good, equipment satisfactory, Price/performance: satisfactory