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Specifications
Maximum recording time (Approx.)
NW-MS70D/MS77DR; When using the built-in flash
memory only:
NW-MS90D; When using the built-in flash memory only:
When using “Memory Stick” (64MB):
When using “Memory Stick” (128MB):
Sampling frequency
44.1 kHz
Audio compression technology
Adaptive Transform Acoustic Coding3 (ATRAC3)
Adaptive Transform Acoustic Coding3plus
(ATRAC3plus)
Frequency response
20 to 20,000 Hz (single signal measurement during
playback)
Output
Headphone: Stereo mini-jack
Signal-to-noise ratio (S/N)
79 dB or more (excluding ATRAC3 66 kbps)
Dynamic range
85 dB or more (excluding ATRAC3 66 kbps)
Operating temperature
5˚C to 35˚C (67˚F to 95˚F)
Power source
• DC IN 1.2 V (from built-in rechargeable battery)
• DC IN 4.5 V (from AC power adaptor)
• USB power (from a computer through supplied USB
cable)
Battery life (continuous playback)
ATRAC3 format: Approximately 44 hours
ATRAC3plus format: Approximately 36 hours
Dimension
36.4 × 48.5 × 18 mm (1
7
/16 × 1
15
/16 ×
23
/32 inches)
(w/h/d, projecting parts not included)
Mass
Approx. 54 g (1.9 oz) (“Memory Stick Duo” not
included)
Supplied accessories
USB cradle (NW-MS70D/MS90D) (1)
Recording USB cradle (NW-MS77DR) (1)
Headphones (1)
Dedicated USB cable (1)
AC power adaptor (for the supplied USB cradle) (1)
Carrying pouch (1)
Extension headphone cord (1)
Optical Digital cable (NW-MS77DR) (1)
Neck strap (1)
Earbuds (Size S, L) (NW-MS90D Non-US model) (1)
CD-ROM (1)
Operating Instructions (1)
SonicStage Operating Instructions (1)
Optional accessories
MagicGate-compatible “Memory Stick Duo”
MSH-M128A (128 MB)
MSH-M64A (64 MB)
Design and specifications are subject to change
without notice.
ATRAC3plus
2 hr. (256 kbps)
8 hr. 40 min. (64 kbps)
11 hr. 40 min. (48 kbps)
ATRAC3
4 hr. 10 min. (132 kbps)
5 hr. 20 min. (105 kbps)
8 hr. 30 min. (66 kbps)
ATRAC3
8 hr. 20 min. (132 kbps)
10 hr. 40 min. (105 kbps)
17 hr. (66 kbps)
ATRAC3plus
4 hr. (256kbps)
17 hr. 20 min. (64 kbps)
23 hr. 20 min. (48 kbps)
ATRAC3plus
30 min. (256kbps)
130 min. (64 kbps)
170 min. (48 kbps)
ATRAC3
60 min. (132 kbps)
80 min. (105 kbps)
120 min. (66 kbps)
ATRAC3
120 min. (132 kbps)
160 min. (105 kbps)
240 min. (66 kbps)
ATRAC3plus
60 min. (256kbps)
260 min. (64 kbps)
350 min. (48 kbps)