NW-E50/E70
E Model
Chinese Model
SERVICE MANUAL
PORTABLE IC AUDIO PLAYER
SPECIFICATIONS
Ver 1.3 2004.09
Sony Corporation
Personal Audio Company
Published by Sony Engineering Corporation
9-877-731-04
2004I16-1
2004.09
ATRAC3plus*
4 hr. 20 min. (64 kbps)
5 hr. 50 min. (48 kbps)
ATRAC3*
2 hr. 00 min. (132 kbps)
2 hr. 30 min. (105 kbps)
4 hr. 10 min. (66 kbps)
MP3
1 hr. 00 min. (256 kbps)
2 hr. 00 min. (128 kbps)
Sampling frequency
ATRAC3, ATRAC3plus, MP3: 44.1 kHz
Audio compression technology
Adaptive Transform Acoustic Coding3 (ATRAC3)
Adaptive Transform Acoustic Coding3plus
(ATRAC3plus)
MPEG1 Audio Layer-3 (MP3): 8 to 320 kbps, variable
bit rate-compliant
Frequency response
20 to 20,000 Hz (single signal measurement)
Maximum recording time
(Approx.)
NW-E50
ATRAC3plus*
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)
MP3
2 hr. 00 min. (256 kbps)
4 hr. 00 min. (128 kbps)
NW-E70
* The values for ATRAC3, ATRAC3plus apply if the
MP3 file manager software has been erased from the
built-in flash memory.
Output
Headphone: Stereo mini-jack
56
×
Operating temperature
5˚C to 35˚C (67˚F to 95˚F)
Power source
LR03 (Size AAA) alkaline battery
Battery life (continuous playback)
ATRAC3 format: Approximately 70 hours
ATRAC3plus format: Approximately 60 hours
MP3 format: Approximately 50 hours
Dimension
37.3
×
15 mm
(w/h/d, projecting parts not included)
Mass
Approx. 40 g (battery not included)
Supplied accessories
Headphones (1)
Dedicated USB cable (1)
Carrying pouch (1)
Neck strap (1)
Earbuds (Size S, L) (NW-E70) (1)
Extension headphone cord (1)
CD-ROM (1)
Operating Instructions (1)
SonicStage operating instructions (1)
Design and specifications are subject to change
without notice.
Signal-to-noise ratio (S/N)
80 dB or more (excluding ATRAC3 66 kbps)
Dynamic range
85 dB or more (excluding ATRAC3 66 kbps)
Photo : NW-E70
