WM-DD3

Sony WM-DD3 feature
WML ID #109
Manufacturer Sony
Model WM-DD3
Series DD
Year 1989
Made in Japan
Initial price 270 DM
Technical details, specifications
Battery 2AA
Available colors black gray red
Dimensions 79*109*29 mm (250 cm³) 3D size
Weight 290 gr
Window yes
Carry Pouch
Expandable no
External compartment no
Drive DirectDrive, Quarz capstan servo
Tape selector Manual switch
Waterproof no
Speaker no
Frequency range 40-15000@2 Hz
Functions
DC in yes
Record by input no
Record by int mic no
Hotline mode yes
 
Cue no
Balance (L/R) no
Equalizer no
Auto volume no
Auto reverse yes
AMS no
Blank skip no
Hold lock no
Bass no
Noise reduction Dolby B NR
Radio no
Radio tuner none
Radio bands 0
Remote control no
Wireless heaphone no
Indicator led
Description

Added a quartz-locked action to the DD motor, giving absolute speed stability.

The WM-DD3 was in simple terms a development of the WM-DD2. Building on the strengths of the previous model it added a quartz-locked action to the DD motor, giving absolute speed stability under all operating conditions. A similar system had been used in the WM-D6 but the WM-DD3 was the first playback-only model to use it.

Unlike the WM-D6 the WM-DD3 did not offer the facility to defeat the quartz lock and trim the playback speed manually, instead the circuit was permanently active and fully automatic in action.

Quartz lock aside the WM-DD3 was nearly identical to the WM-DD2, including the provision of Dolby B NR and compatibility for all tape types. The next model in the development of the series was the WM-DC2.
Via walkmancentral

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Created 2021-08-18 16:13:04
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