Alto MACRO1400, Service Manual

Page: 5 / 38

SEKAKU ELECTRON INDUSTRY CO., LTD.
Test Result
Model No MACRO 2400(Amplifier) USER OF VP-7724A
Tester:
Test Date: 2002,11,29
Test Item Test Conditions Spec Test Result Remark
1 Power Source
AC:
115/120/230/240V
AC: V
8 1500W W
2
Rated Output
(BRIDGE)
4
2400W W
CLIP ON
Load 4
750W+750W W+W INPUT 1KHz (CLIP ON)
3 Rated Output
Load 8
N/A N/A
4 Signal/Noise
Input 1KHz 6dB
Load 4
90dB
105dB (A)
dB
dB(A)
VR MAX (CLIP ON)
5
Distortion
Input 1KHz 6dB 0.1% (10W) %
6 INPUT
SENSITIVITY
BAL
1% (750W)
%
CHA,CHB
-3.5 1dB
dB
7
FILTER
STEREO
0/+5 1dB
dB
CHA,CHB
STEREO IN (30Hz)
-8.5 1.5dB
dB FILTER ON
8 PUNCTURE
VOLTAGE
5mA 5Sec 1800V 1800v
9
FREQUENCY
RESPONSE
Input 6dB , 1KHz
Load 4 (BAL OR
STEREO)
28Hz-
24KHz
Hz
OUTPUT 6.8V(10W)
4