1-1
TECHNICAL SPECIFICATION
General
Dimensions (W x H x D)
: 133 x 15.5 x 133mm
Weight without batteries
: 150g
Power supply modes
DC-in socket (for play-mode)
: 2.9..7.0V
DC-in socket (for charge-mode)
: 3.6..7.0V
Primary batteries (battery box)
: 1.7..3.2V
Rechargeable batteries (AY3365) : 1.7..3.2V
Voltage protection DC-in socket
: -14.5..+14.5V
Battery lifetime
Battery level detection
Charge section (not on all versions)
Charge current
: 250mA ±10%
Charge time for 80% AY3365
: 4.0h nom.
Charge time for 100% AY3365
: 6.0h nom.
Max. charge time (µP controlled) : 7h
Temperature protection
: 50°C ±5°C
Current consumption
1) off-phase means servos switched off and audio data is played back from
ESP memory
Headphone out CD/MP3/WMA (16
Ω
load, DBB/ESP=off)
Output power (THD
≤
10%)
/17 version only
: 2x5mW (+2/-3dB)
all other versions
: 2x2.5mW (+1/-3dB)
Frequency response (1mW)
: 100Hz-20kHz within 6dB
S/N ratio (unwght)
:
≥
80dB (83dB typ.)
S/N ratio (A-wght)
:
≥
82dB (85dB typ.)
THD+N (1kHz, 1mW)
:
≤
1% (0.2% typ.)
Channel crosstalk (1kHz, no load) :
≤
-24dB (-30dB typ.)
Channel unbalance (-40dB)
:
≤
5dB
Volume attenuation (1kHz)
:
≥
60dB
Sound presets
Laser
Output power
: <5mW (3mW typ.)
Wavelength
: 780nm
Measurement setup CD/MP3/WMA
Use Audio Signal disc SBC429
4822 397 30184
FM-Tuner
Tuning range
: 87.5..108MHz
Tuning grid
: 50kHz (100kHz for /17)
IF
: 225kHz
Sensitivity (26dB S/N, m=30%)
:
≤
22dBf (15dBf typ.)
-3dB limiting point
:
≤
26dBf (15dBf typ.)
Distortion (rf=1mV,
∆
f=75kHz)
:
≤
7% (2% typ.)
Headphone out Tuner (16
Ω
load, DBB/ESP=off)
Output power (THD
≤
10%)
/17 version only
: 2x5mW (+2/-3dB)
all other versions
: 2x3mW (+1/-3dB)
Frequency response
: 100Hz-9kHz within 6dB
S/N ratio stereo (A-wght)
:
≥
52dB (55dB typ.)
THD+N (1kHz, 0dB)
:
≤
1% (0.4% typ.)
Channel crosstalk (1kHz, no load) :
≤
-22dB (-25dB typ.)
Channel unbalance (1kHz, 0dB)
:
≤
5dB
Low pass filter
DUT
S/N and distortion meter
L
R
i.e. Sennheiser UPM550
with FF-filter
Level meter
i.e. Sound Technology ST1700B
i.e. 4822 395 30204
22kHz
13th order
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