Philips AX7201 - Technical Specification

1-1
TECHNICAL SPECIFICATION
General
Dimensions (W x H x D) : 130.4 x 14.5 x 135.5mm
Weight without batteries : 125g
Power supply modes
DC-in socket : 2.9..7.0V
Primary batteries (battery box) : 1.6..3.6V
Rechargeable batteries (AY3364) : 1.6..3.6V
Voltage protection DC-in socket : -14.5..+14.5V
Battery lifetime
Battery level detection
Charge section (not on all versions)
Charge current : 280mA ±10%
Charge time for 80% AY3364 : 4.0h nom.
Charge time for 100% AY3364 : 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
Shock resistance (ESP=off)
+X/-X direction : ≥2.5g
+Y/-Y direction : ≥2.5g
+Z/-Z direction : ≥2.0g
Headphone out (measured with 16Ω load, DBB/ESP=off)
Output power (THD≤10%)
/17 version only : 2x7mW (+1/-3dB)
all other versions : 2x3mW (+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 (-44dB typ.)
Channel unbalance (-40dB) : ≤5dB
Volume attenuation (1kHz) : ≥60dB
Sound presets
Laser
Output power : <5mW (3mW typ.)
Wavelength : 780nm
Measurement setup
Use Audio Signal disc SBC429 4822 397 30184
Low pass filterDUT S/N and distortion meter
L
R
i.e. Sennheiser UPM550
with FF-filter
Level meter
i.e. Sound Technology ST1700Bi.e. 4822 395 30204
22kHz
13th order
TESERPDNUOS
esnopserycneuqerF
zHk36 zHk1 zHk01
1BBDBd6+ ± Bd2Bd0 ± Bd2Bd0 ± Bd2
2BBDBd9+ ± Bd2Bd0 ± Bd2Bd5+ ± Bd2
TNERRUC
NOITPMUSNOC
)V5.4(NI-CD )V52.2(YLPPUSYRETTAB
ffo=PL/PSE
no=PL/PSE
egareva
no=PL/PSE
esahp-ffo
)1
no=PSE
ffo=PL
edom-yalP.pytAm08.pytAm57.pytAm52.pytAm021
edom-pmuJ.pytAm003a/na/na/n
edom-egrahC.pytAm032a/na/n.pytAm052
yb-dnatS
)egrahcer.lcxe(
.pytAm12052 µ .pytA052 µ .pytA052 µ .pytA
LEVELNOITCETED SEIRETTABELBAEGRAHCER
ytpmeyrettaB
V7.1
Vm05-/001+
1kaewyrettaB
+levelytpmeyrettab
V8.0 ± Vm001
2kaewyrettaB
+levelytpmeyrettab
V6.0 ± Vm001
3kaewyrettaB
+levelytpmeyrettab
V4.0 ± Vm001
EMITEFILYRETTAB no=PL/PSE
seirettabyramirP
60RLx2
≥ ).pyth34(h13
seirettabelbaegrahceR
)hAm006x2(4633YA
≥ ).pyth32(h61
60RLx2+4633YA ≥ ).pyth07(h94