WARNING: TO REDUCE RISK OF ELECTRIC SHOCK. DO
NOT DISASSEMBLE THIS AMPLIFIER. NO USER SERVICABLE
PART INSIDE.PLEASE CONTACT AUTHORIZED SERVICE
PERSONNAL WHEN NEED MAINTENANCE.
1. PLEASE READ FIRST
WARNING: TO REDUCE THE FIRE OR ELECTRIC SHOCK
DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE.
PLEASE UNPLUG THE POWERCORD IF YOU NEED TO FULLY
DISCONNECT FROM POWER.
THE POWERPLUG MUST BE READY ANYTIME.
ELECTRICAL ENERGY CAN PREFORM MANY USEFUL
FUNCTIONS. THIS UNIT HAS BEEN ENGINEERED AND
MANUFACTURED TO ASSURE YOUR PERSONAL SAFETY.
IMPROPER USE CAN RESULT IN POTENTIAL ELECTRICAL
SHOCK OR FIRE HAZARDS.
IN ORDER NOT TO DEFEAT THE SAFEGUARDS, OBSERVE
THE FOLLOWING INSTRUCTIONS FOR ITS INSTALLTION,
USE AND SERVICING.
1.1 IMPORTANT SAFETY INFORMATION
READ THIS INSTRUCTIONS
■
■ KEEP THIS INSTRUCTIONS
■ HEED ALL WARNINGS
■ FOLLOW ALL INSTRUCTIONS
■ DO NOT USE THIS DEVICE NEAR WATER
■ CLEAN ONLY WITH A DRY CLOTH
■ DO NOT BLOCK THE AIRFLOW
■ INSTALL FOLLOW THE USER MANUAL
DO NOT INSTALL NEAR A HEAT SOURCE
■
THE EQUIPMENT SHOULD BE CONNECTED TO POWER
OUTLETWITHAGROUNDEDPROTEETIVEPOWERGRID.
■
PROTECT THE POWER CORD FROM BEING WALKED OR
PINCHED.
■
■ USE ONLY ATTACHMENT/ACCESSORIES SPECIFIED BY
THE MANUFACTURER.
■ UNPLUG THE POWERCORD DURING LIGH TNING STORMS
OR WHEN UNUSED FOR LONG PERIODS OF TIME. REFER
ALL SERVICING TO QUALIFIED SERVICE PERSONNEL.
SERVICING IS REQUIRED WHEN THE APPARATUS HAS
BEED DAMAGED IN ANY WAY,SUCH AS POWERCORD OR
PLUG IS DAMAGED, LIQUID HAS BEEN SPILLED OR
OBJECTS FALLEN INTO THE APPARATUS. THE APPARATUS
HAS BEEN EXPOSEDTO RAIN OR MOISTURE,DOES NOT
OPERATE NORMALLY, OR HAS BEED DROPPED.,
1.2 CERTIFICATION NOTICE
WE DECLARE OUR DEVICES ARE COMFORMITY WITH THE
FOLLOWING DIRECTIVES AND/OR STANDARDS2004/108/EC
ELECTROMAGNETIC COMPATIBILITY DIRECTIVE
2006/95/EC LOW VOLTAGE DIRECTIVES EN 60065
ENVIRONMENT DIRECTIVE
EN55103-1,EN55103-2,EN61000-3-2,EN61000-3-3 AND E4,E5
ELECTROMAGNETIC
6.Protect Function
Complete temperature protection sampling. Monitor both PSU and
amplifier simultaneously.
Output power will limit when the temperature of the heatsink higher
than limit value. Output will cut off when temperature higher than the
protect value. Amplifier will restart when temperature return to
normal.
All this series amplifiers has output current protection.
Output current will be limited when exceeds the allowed maximum
value.
When a channel of a amplifier output current exceed the allowed
maximum value (For example,Short circuit). In this case, the
amplifier itself will be disabled (mute) for 1000ms. Amplifier will
restart after the short circuit back to normal.
When input voltage is higher than the upper limit or lower than the
lowest limit, PSU will enter protect mode and cut off the power
supply.
②Input Voltage Protection
①Overload Protection
③Temperature Protection
7.Typical Test Curve
Audio Precision 01/01/03 01:43:13
ColorSweep Trace Line Style Thick Data Axis Comment
1 1 Yellow Solid 1 Anlr.Level A Left
2 1 Red Solid 1 Anlr.Level A Left
3 1 Magenta Solid 1 Anlr.Level A Left
F r e q u e n c y r e s p o n s e : 4 O h m (Y e l l o w) , 8 O h m ( R e d) a n d op e n l o a d (M a g e n t a).
-20
+20
+0
d
B
r
20 20k50 100 200 500 1k 2k 5k 10k
Hz
Input Impedance
Input Sensitivity
DC Remain
Operation Range
Power Factor
Max Output Voltage/Current
30KΩ Balanced
0.775V
90V - 264V DC to 200 Hz
>0.95 @ >500 W
100 Vpeak / 50Apeak
IEC CISPR Pub.22 ed 6.0 (2008-09) CLASS B
2004/108/EC ELECTROMAGNETIC COMPABILITY DIRECTIVE
FCC ELECTROMAGNETIC RADIATION DIRECTIVE 15.109
IEC CISPR Pub.22 ed 6.0 (2008-09) CHAPTER7.1.1,PART15.107
Volume Knob
Signal Indicator
Power Switch
Front Panel ：Rear Panel：
2.Front/Rear Panel Function Diagram
Speaker Output
Power Connector
Signal Input
3.Product Briefing
UPDM(Unipolar Pulse Density Modulation) amplifier is the latest
generation ultra low power less power amplifier scheme.
Durable 1RU chassis.
4.Product Highlights
90-264VAC Global Power Supply
Purifying Ground and Singal Source Noise
Direct Energy Amplifying
Constant Zero Distortion Power Control
Dual Reactor Phase Shift Control
Dynamic Energy Recycling
Overheat and Clip Soft Protection
5.Specifications
Power
Total Harmonic Distortion
Siganl to Noise Ratle
Freq. Response
112dB ( A-weighting )
20 Hz - 20 kHz +/-0.25dB
Damping Factor >1000
Controlled Slew Rate >50V/us
<0.005%
Signal Input
1800W@2.5Ω X4
LINK LINK
Speaker Output
LINK Output LINK Output
VOLUME3
VOLUME4
VOLUME2VOLUME1
0dB
-36
ON
0dB
-36
ON
