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Extracted text from philips exp 221 service manual (Ocr-read)
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TECHNICAL SPECIFICATION
General
Dimensions (WxHxD) : 128x34x139.5 mm
Weight without batteries : 205 g
Power supply modes
DC-in socket : 2.5 - 6.0V
Primary batteries (2xLR6) : 1.8 - 3.6V
Battery lifetime
Battery level detection
Battery empty : 2.0V nom. +200/-200 mV
Current consumption CDDA-playback
Shock resistance
+X/-X direction :-‰¥5 g
+Y/-Y direction :-‰¥5 g
+Z/-Z direction :-‰¥up to 10 g
Headphone out (measured with 16-„¦load, DBB/ESP off)
Output power (THD=10%) : 2x4.5mW (+1/-3dB)
Frequency response (1mW) : 100Hz-20kHz within-6dB
S/N ratio (unwght) :-‰¥73dB (76dB typ.)
S/N ratio (A-wght) :-‰¥82dB (84dB typ.)
THD+N (1kHz, 1mW) :-‰¤1.0% (0.2% typ.)
Channel crosstalk (1kHz, no load) :-‰¤-30dB (-45dBtyp.)
Channel unbalance (-40dB) :-‰¤2dB
Volume attenuation (1kHz) : >60dB
Dynamic Bass Boost DBB
Laser
Output power : <5mW (3mW typ.)
Wavelength : 780nm
Measurement setup
Use Audio Signal disc SBC429 4822 397 30184
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 3020422kHz
13th order
E G A T S B B D e s n o p s e r y c n e u q e r F
z H 5 6 z H k 1 z H 0 25
DBB 1
DBB 2B d 5 +
B d 9 +B d 0
B d 0Bd +9+B d 2/-1 B d +5+B d 2/-1
E D O M N O I T A R E P O ) V 5 . 4 ( Y L P P U S N I - C D ) V 5 2 . 2 ( Y L P P U S . T T A B
e d o m - y a l P.p y t A m 0 220
e d o m - p m u J.p y t A m 260. p y t A m 0 240
. p y t A m 250
y b - d n a t S
n.a. n.a.
E P Y T Y R E T T A B
-‰¥h
8.5
) . p y t
9.5h ( -‰¥h 10
) . p y t h 11.5
( Normal Alkalite
batteries 2 x LR6
ESA off ESA on