5. Test result
SEKAKU ELECTRON INDUSTRY CO., LTD.
Model No DPA2500 (Amplifier) USER OF VP-7724A
Test Item
Test Conditions
Spec
Test
Result
Remark
1
Power Source
AC:
115/120/230/240V
AC: V
2
Motionless State
Current
Load 4
Ω
TP1_3(CH1)/T
P2_3(CH2):13
8
±
2mV
%
R1-16(CH1)/R2-
16(CH2)
8A
A
3
Power
Consumption
Rated Output. Input
at 1KHz,6dBV
1800W
W
VR MAX(CLIP ON)
Load 4
Ω(CHA,B)
46V+46V
↑
V
4
Rated Output
Load 8
Ω
V
V
INPUT 1KHz (CLIP
ON)
5
Signal/Noise
Input 1KHz 6dB
Load 4
Ω
90dB
↑
102dB
↑
(A)
dB
VR MAX (CLIP
ON)
6
Hum or Noise
VR Max
2mV
↓
mV
VR MAX
0.2%
↓
(10W)
%
0.15%
↓
(100W)
7
Distortion
Input 1KHz 6dB
0.3%
↓
(400W)
%
BAL
-3.5
±
1dB
dB
CHA,CHB
8
INPUT
SENSITIVITY
STEREO
0/+5
±
1dB
dB
CHA,CHB
9
BRIDGED
SW AT BRIDGED
80V
↑
(8
Ω
)
V
10
OUTPUT SHORT
TEST
IN 1khz/0dB
<500W
CHA CHB
11
PUNCTURE
VOLTAGE
5mA 5Sec
1800V
12
FREQUENCY
RESPONSE
Input 6dB , 1KHz
Load 4
Ω
(BAL OR
STEREO)
＜
30Hz-
＞
20KHz
Hz
OUTPUT
6.8V(10W)
