1-2
TECHNICAL SPECIFICATION
General
Dimensions (WxHxD)
: 128x31x141 mm
Weight without batteries
: 205 g
Power supply modes
DC-in socket
: 2.5 - 6.0V
Primary batteries (2xLR6)
: 1.8 - 3.6V
Rechargable batteries
: 1.8 - 3.6V
Battery lifetime
Battery level detection
Battery empty
: 1.9V nom. +100/-100 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
Ω
load, DBB/ESP off)
Output power (THD=10%)
: 2x4.5mW (+1/-3dB)
Frequency response (1mW)
: 100Hz-20kHz within 6dB
S/N ratio (unwght)
:
≥
78dB (81dB typ.)
S/N ratio (A-wght)
:
≥
82dB (84dB typ.)
THD+N (1kHz, 1mW)
:
≤
1% (0.2% typ.)
Channel crosstalk (1kHz, no load) :
≤
33dB (33dB typ.)
Channel unbalance (-40dB)
:
≤
4dB
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 30204
22kHz
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
k
3
6
z
H
k
1
z
H
k
0
1
DBB
B
d
5
+
±
B
d
2
B
d
0
±
B
d
2
B
d
0
±
B
d
2
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
130
e
d
o
m
-
p
m
u
J
.
p
y
t
A
m
160
.
p
y
t
A
m
0
160
.
p
y
t
A
m
200
y
b
-
d
n
a
t
S
n.a.
n.a.
E
P
Y
T
Y
R
E
T
T
A
B
≥
h
4
)
.
p
y
t
h
6
(
≥
h
14
)
.
p
y
t
h
18
(
Normal Carbon
batteries 2 x R6
Normal Alkalite
batteries 2 x LR6
Содержание AX2300
Страница 11: ...4 3 IC BLOCK DIAGRAM U4 TMP86C820U ...
Страница 14: ...4 6 IC BLOCK DIAGRAM U6 SM5907AF ...
Страница 18: ...5 4 5 4 LAYOUT DIAGRAM component side ...
Страница 19: ...5 5 5 5 LAYOUT DIAGRAM copper side ...