168
13
Recording medium
Built-in flash memory
DS-71: 4 GB
DS-61: 2 GB
Recording format
Linear PCM (Pulse Code Modulation)
(DS-71)
WMA (Windows Media Audio)
Input level
–63 dBv
Sampling frequency
PCM mode: 44.1 kHz
STEREO XQ mode: 44.1 kHz
STEREO HQ mode: 44.1 kHz
STEREO SP mode: 22 kHz
HQ mode: 44.1 kHz
SP mode: 22 kHz
LP mode: 8 kHz
Overall frequency response
PCM mode: 50 to 20,000 Hz
STEREO XQ mode: 50 to 19,000 Hz
STEREO HQ mode: 50 to 16,000 Hz
STEREO SP mode: 50 to 9,000 Hz
HQ mode: 50 to 13,000 Hz
SP mode: 100 to 8,000 Hz
LP mode: 100 to 3,000 Hz
Speaker
Built-in ø23 mm round dynamic speaker
MIC jack
ø3.5 mm mini-jack, impedance 1.4k
Ω
or
more
EAR jack
ø3.5 mm mini-jack, impedance 8
Ω
or
more
Maximum working output (3 V DC)
250 mW or more (8
Ω
speaker)
Specifications
Specifications
Maximum working output (3 V DC)
250 mW or more (8
Ω
speaker)
Maximum headphone output
≦
150mV (according to EN 50332-1)
Wide band characteristic headphone
output
75 mV
≦
(according to EN 50332-2)
Clock accuracy
Monthly deviance less than 120 seconds.
Input power requirement
Rated voltage: 3 V
Batteries: Two AAA batteries (LR03,
R03 or ZR03) or Two Ni-MH
rechargeable batteries
External power supply: AC adapter
3V
300mA
External dimensions
Recorder:96 x 37.5 x 16 mm
(without protrusions)
Microphone(ME55S) + Recorder:
111 x 37.5 x 16 mm (without protrusions)
Weight
Recorder:73 g
(including alkaline batteries)
Microphone(ME55S) + Recorder: 80g
(including alkaline batteries)