Alto MACRO1400, Service Manual

Page: 4 / 38

SEKAKU ELECTRON INDUSTRY CO., LTD.
Test Result
Model No MACRO 1400 (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: 115V
8 900W W
2
Rated Output
(BRIDGE)
4 1400W W
CLIP ON
Load 4
450W+450W W+W
3 Rated Output
Load 8 N/A N/A
INPUT 1KHz (CLIP ON)
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% (450W)
%
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)
3