Denon DRM-550

• Brand: Denon
• Model: DRM-550
• Years of manufacture: 1995-99
• Color: Black, Silver
• Power consumption: 16 W
• Dimensions (WxHxD): 434 x 135 x 270 mm
• Weight: 3.8 kg
• Original price approx.: 400 DM

Connections

• Inputs: 2

Denon system socket 3.5 mm Analog Cinch

• Outputs: 2
  • Analog Cinch
  • Headphone output (6.3 mm)

Technical data

• Power supply: 230 V / 50 Hz
• Audio heads: 2
  • 1 x record/playback head (R/P head)
  • 1 x erase head (double slit ferrite head)
• Motors: 2
  • 1 x tone shaft (DC servo motor)
  • 1 x coil (DC motor)
• Tape running speed: 4,8 cm/sec
• Rewinding time: Approx. 110 sec. with a C-60 cassette
• Recording premagnetization: Approx. 105 kHz

Signal-to-noise ratio (3%): Dolby-C 74 dB

• Frequency response: 25 ~ 18,000 Hz +- 3 dB (metal)
• Channel separation: > 40 dB (at 1 kHz)
• Crosstalk attenuation: > 65 dB (at 1 kHz)
• Coincidence fluctuations: < 0.055 % WRMS +/- 0.14 % DIN
• Headphone: 1.2 mW max. output level

Special features

• Computer controlled silent Logic drive
• Dolby noise reduction B and C and Dolby HX-PRO
• Manual pre-magnetization adjustment (BIAS- Steller)
• Computer-controlled tape counter with 4-digit electronic numerical display;
• Title search (1 title forward/back)

Automatic tape type setting

• CD synchronous recording (with Denon CD players via system socket)
• Recording-rewind system (Rec Return)

Timer preparation for recording/playback

• Memory function: tape is rewound for setting;
• Headphone output adjustable

MPX filter switchable

• Remote control

Remarks

• Simple cassette deck with good price-performance ratio,
• Back panel made of plastic like earlier Denon devices
• Sound similar to DRM-650 S
• Other models of the same series:
  • DRM-550
  • DRM-650 S

Pictures

Test reports

• Audio 4/1997: middle class, sound: 60 points, 2 ears