Subwoofer Amp Switching Power
Transcript of Subwoofer Amp Switching Power
Elytone Electronic Co., Ltd. Version 2.1
Speaker Load Impedance ------------------ 4Ω
Rate Output Power @ 1% THD ----------- 1000Wrms
Crossover Frequency Adjust Range ----- 40Hz-140Hz
Max. Line Input Sensitivity------------------- 100mV
Switched Phase Control--------------------- 0° ~ 180°
Auto Turn on Level ---------------------------- 3mV
Time to Stand-by ---------------------------- 15min.
AC Input ------------------------------------------ 115Vac/230Vac selectable
Dimension of Front Panel ------------------- 250(L) x 250(W) mm
Stereo RCA Line Input (R,L) & Speaker Level Input (R,L)
Subwoofer Amp with Switching Power
High efficiency ,Low cost Class-D power amplifier
Compact size with low noise & low distortion<1.0%
Switching mode power supply built in
Auto turn-on & stand-by function
Stand-by power consumption less than 0.5W
With over load & over current protection
Dual color LED as signal on/stand-by indicator
ESA Series Elytone Standard Product ESA-10004X
AC Input
Output Load
Output Power
Elytone Electronic Co., Ltd. Version 2.1
ELYTONE ELECTRIC CO.LTD AUDIO PRODUCT TESTING REPORT MODEL: ESA-10004 SPECIFICATION: 1000W /4ohm SUBWOOFER REVISION No: P1A DATE: 2012/2/29
LINE VOLTAGE Yes/No Lo Line Hi Line Unit
US 120Vac/60Hz Yes 108 132 Vrms
EU 230Vac/50-60Hz N/U Vrms
JAPEN 100Vac/50Hz N/U Vrms
Universal 100~240Vac/50~60Hz N/U Vrms
Parameter Specification Unit TEST VALUE
QA TEST
Conditions
Amp Section Below testing is under 230Vac Line Input
Amplifier Type(Class AB,D,other) D
Load Impedance(Speaker) 4 ohms Volume & crossover at Max, Frequency at 50 Hz
Max Unclipping Output Power(1%THD) >900 Watts 1000 Volume & crossover at Max, Frequency at 50Hz,Rated Power=300W
THD at 100W Rated Power <1 % 0.350 Volume & crossover at Max, Frequency at 50 Hz
THD at 1/2 Rated Power <0.3 % 0.090 Volume & crossover at Max, Frequency at 50 Hz
THD at 1/8 Rated Power <0.2 % 0.040 Volume & crossover at Max, Frequency at 50 Hz
DC Offset +50~-50 mV-DC
Input Sensitivity
Input Frequency 50 Hz Volume & crossover at Max.
Line input 300 mVrms 150 Volume & crossover at Max, L-ch driven, 1000W Rated Power
Speaker/Hi Level Input 6 V 5.8 Volume & crossover at Max, L-ch driven, 1000 W Rated Power
Signal to Noise
SNR-A-Weighted >85 dBr 95 Rated Power,Volume & crossover at Max,
SNR-Unweighted >70 dBr 85 Rated Power,Volume & crossover at Max, 20K LPF filter required
Residual Noise Floor <2.5 mVrms 1.6 Volume & crossover at Max, 20K LPF filter required
Input/output Impedance
Line Input ohms 22K 50Hz Input driven
Speaker/Hi Level Input ohms 4.7K 50Hz Input driven
Frequency Response Yes/No
Frequency Response Yes See AP curve
Bass Booster N/U
Elytone Electronic Co., Ltd. Version 2.1
This document and its contents are copyright and confidential property of Elytone Corporation
Power consumption
Stand-by Input Power <0.5 Watts 0.4 Rated voltage power supply
Power-on Input Power Watts 13.8 Rated voltage power supply
Power Cons at 100W Rated Power Watts 1388 Rated voltage power supply
Protect Yes/No
Output Short Protection Yes Yes Check Functional
Over Thermal Protection Yes Yes Check Functional
Features Yes/No configuration
Power switch Yes Rocker sw Locate at amp plate
LED Indicator Yes GEN/RED Bi- LED Locate at amp plate
Volume pot Yes B-tape Rotary VR Locate at amp plate
Line RCA Input Yes 2P RCA Jack Locate at amp plate
Hi Level Input Yes Binding POST Locate at amp plate
Hi Level Ouput Yes Binding POST Locate at amp plate
Crossover pot Yes B-tape Rotary VR Locate at amp plate
Phase switch Yes Triggle sw Locate at amp plate
120V/230V Voltage Selector SW Yes Slide Switch Locate at amp plate
Line Fuse Rating Yes 6.3A Time Lag Build in the SMPS pcb
AC Socket Yes IEC 8 type 2 pin Socket Build in the SMPS pcb
power cord length Yes 6 feet Removable type
Over Thermal Protection Yes Check Functional