SERVICE MANUAL
Frequency response (Dolby NR off)
Playback: 30 - 18 000 Hz
Output
Headphones (i jack)
Load impedance 8 - 300 Ω
Power requirements
1.5 V
One rechargeable battery
Dimensions (w/h/d)
Approx. 77.1 × 108.8 × 20.2 mm
Mass
Approx. 147 g
Supplied accessories
Stereo headphones or earphones with remote control (1)
Battery charging stand (1)
AC power adaptor (1)
Rechargeable battery (NH-14WM (A), 1.2 V, 1 350 mAh
(MIN), Ni-MH) (1)
Rechargeable battery carrying case (1)
Carrying pouch (1)
Design and specifications subject to change without notice.
Battery life (Approx. hours) (in playback) (JEITA*)
Rechargeable NH-14WM (A) 45
fully charged
* Measured value by the standard of JEITA (Japan Electronics
and Information Technology Industries Association). (Using a
Sony HF series cassette tape)
Note
• The battery life may be shorter depending on the
operating condition and the surrounding
temperature.
Ver 1.0 2001.10
9-873-307-01 Sony Corporation
2001J0500-1 Personal Audio Company
C 2001.10 Published by Sony Engineering Corporation
CASSETTE PLAYER
AEP Model
E Model
Chinese Model
Tourist Model
SPECIFICATIONS
WM-EX921
Manufactured under license from Dolby Laborato-
ries.
“Dolby” and the double-D symbol are trademarks of
Dolby Laboratories.
Model Name Using Similar Mechanism NEW
Tape Transport Mechanism Type MT-WMEX921-162
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