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IRS2092TopDClass amplifier board(Dual RectifierWith protection )
Product Details
All components of this product are original authentic , pure unpretentious quality ; using high-quality original parts , not just the quality and safety are guaranteed, long life, more importantly, that the actual performance can meet the design goals of a strong guarantee. Pursuit of the best quality is the consistent aim of our restaurant .
n Using originalIRS2092, IRFB23N15D.
n Electrolytic capacitor signal main loop ELNA,NXB Brand , the main filter capacitor using Japan Chemical Capacity4700UF/80V * 4, Using25 * 2(50A)Flat bridge rectifier , ensure strong support for a steady stream of power .
n Resistor selection of rings metal resistance , the main circuit employs a precision 1%The rings of metal film resistors, ensure the machine a good signal to noise ratio .
n PCB Use 1.6mm Thick double-sided sheet,2.0Oz copper thickness , HASL whole process to ensure that the size of the current through the good performance . ClassPCBQuality.
n Use 20A High current shielded inductors, to ensure crisp and powerful sound .
n Special add Currently advanced UPC1237 Speaker protection circuit,30A relay control , effective control of the boot impact sound ,Make your speakers more secure.
The entire circuit board trace layout are very strict and reasonable, overallPCBTraces using a little grounding. The amplifier board is stable and reliable output power ; beautiful mellow sound , open sound field . Dimensional sense of strong , powerful low-frequency sound calm , very good signal to noise ratio , wide dynamic range ; details clear, excellent transient response , playing all kinds of music were afloat in the family environment is very good playback performance .
Technical index
Voltage Range: AC double20V-50V (The rectified voltage 28V-70V)Note voltage AC35VLess,R6 R7( 4.7K 3W) Switch 2K/3WResistance .( Delivery default voltage of 40-45V, R6 R7 is 3.9K)
Maximum output power:350W/8AC double50VPower , distortion< 0.1%
700W/4AC double50VPower , distortion< 0.1%
Voltage magnification:36Times ( positive phase to enlarge )
Input sensitivity:1.6V( Rms )
Input impedance:14K
Frequency response:0-50KHz 1dB 10W/8
Residual noise voltage:200uV
Dynamic Range:> 100dB
PCB size :210 * 78 * 43MM