SERVICE MANUAL
NOISE CANCELING HEADPHONES
US Model
Canadian Model
AEP Model
E Model
Tourist Model
SPECIFICATIONS
MDR-NC11A
Ver. 1.3 2006.11
9-879-188-04
2006K05-1
© 2006.11
Sony Corporation
Personal Audio Division
Published by Sony Techno Create Corporation
Note on chip component replacement
• Never reuse a disconnected chip componet
• Notice that the minus side of a teamtalum capacitor may be damaged by
heat
General
Type dynamic, closed
Driver units 9 mm dia
Power handling capacity
50 mW
Impedance 20 ohms at 1 kHz
(when the power is on)
8 ohms at 1 kHz
(when the power is off)
Sensitivity 102 dB/mW (when the power is on)
98 dB/mW (when the power is off)
Frequency response
10 − 22,000 Hz
Frequency range of active noise attenuation
50 − 1,500 Hz more than 10 dB at
300 Hz
Power source DC 1.5 V, 1 × R03 (size AAA) battery
Mass Approx. 47 g (1.7 oz) including batterybox, cord, and battery
Supplied accessories
Sony R03 (size AAA) battery (1)
Earbuds (S × 2, M × 2, L × 2)
Holder (1)
Carrying case (1)
Plug adaptor for in-flight use* (single/dual) (1)
Operating Instructions (1)
* May not be compatible with some in-flight music services.
Design and specifications are subject to change without notice.
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