DENON DP-55M
¥ 65,000 (around 1981)
Commentary
A record player corresponding to the manual machine of DP-55L.
It has built-in bi-directional servo that quickly responds to both increasing and decreasing speed changes and smooth electronic brake.
An AC servo motor is used as the drive motor.
An S-shaped tone arm is used for the tone arm.
In addition, the use of 60 mm thick large arm board reduces howling.
The cabinet has a wood grain finish.
Model Rating
Type | Player system |
Phono Motor Section | |
Drive system | Bidirectional servo direct drive |
Motor | AC servo motor |
Speed control | Speed servo and phase servo by frequency detection |
Number of revolutions | 33 1/3, 45 rpm |
Wow and flutter | 0.015% W. rms or less (DENON measurement method) 0.002% W. rms or Less (JIS Measurement Method) |
Rotational speed deviation | 0.002% or less |
Speed switching mechanism | Soft Touch Push Button Type (Self-illumination Type) |
Signal-to-noise ratio | 78 dB or more (DIN-B) |
Startup time | Within 1.5 Seconds (33 1/3rpm) |
Load characteristic | 0% (Needle Pressure 100g Outer Circumference) |
Voltage characteristic | 0% for 90 ~ 110 V |
Turntable | Aluminum Die Cast 30 cm |
Moment of inertia | 200 kg / cm2(including turntable seats) |
Arm Section | |
Type | Static Balance S-Shaped / Universal with Damping With Oil Dump Type Manual Lifter |
Effective length | 244mm |
Overhang | 14mm |
Tracking error | 2.5 degrees or less |
Needle pressure control | 1 Rotation 2.5g (1 Scale 0.1g) |
Applicable Cartridge Dead Weight | Approximately 15 ~ 19g (Including Shell, etc.) |
Shell | 9g (Equivalent to PCL-4) |
Arm Height Adjustable Range | Approx. 5 mm |
Output code | Low capacity cord, approx. 1.2m |
Attachment mechanism | Anti-skating mechanism |
<General> | |
Cabinet | Karin Nakagawa wood-grain finish 20 mm thick high density particle board |
Pwer | 100 VAC, 50Hz/60Hz |
Power consumption | 11W |
External dimensions | Width 485x Height 165x Depth 400 mm |
Weight | 11.5kg |