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 (16Ω 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 (16Ω 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
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