IRAUD350 Top Class D Amplifier Finished Board Ultra-high-power Digital Amplifier Board 700W IRS2092S
  • IRAUD350 Top Class D Amplifier Finished Board Ultra-high-power Digital Amplifier Board 700W IRS2092S
  • IRAUD350 Top Class D Amplifier Finished Board Ultra-high-power Digital Amplifier Board 700W IRS2092S
  • IRAUD350 Top Class D Amplifier Finished Board Ultra-high-power Digital Amplifier Board 700W IRS2092S
  • IRAUD350 Top Class D Amplifier Finished Board Ultra-high-power Digital Amplifier Board 700W IRS2092S

  • SKU:27664
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  • Price:$43.90
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IRAUD350 Top Class D Amplifier Finished Board Ultra-high-power Digital Amplifier Board 700W IRS2092S

About:
- Efficiency: Efficiency of different different output power , high-power ultra-high efficiency when , 300W output reaches 90%.

Features:
- 1. ultra- high-power , easy to promote large-caliber speakers, stage sound choice.
- 2. High efficiency , high power output over 90 % efficiency , energy saving and environmental protection , as well as save you a lot of electricity !
- 3. ultra-small size , high power amplifier from becoming so lightweight and is no longer bulky ! Particularly suitable for outdoor activities, save a lot of strength !
- 4. superb sound , enough to make a lot of so-called Class A power amplifier retired ! Also you make a wise choice fever amp !
- 5. Produce ultra- simple and without debugging , you only need to add the transformer , then a few lines to make a such a good amplifier, but also very beautiful !

Details:
    IRAUD350 is my company after nearly a year of time to develop out of the top super power Class D amplifier, which uses the U.S. company International Rectifier Class D amping IRS2092S and high-speed chip high current and low RDS (on) MOSFETs IRFB4227 for output , makes the amplifier output power greater and smaller distortion , maximum undistorted output power can achieve maximum mono 350W / 8 Ohms 700W / 4 Ohms , non-ordinary amplifier can be compared ! In addition, this amplifier board can push 2Ω speakers ! Maximum output reaches 900W.
    Observant people will find that the frequency response of the amplifier reaches 0-50KHz, is pure DC amplifier ! Pure DC amplifier to cancel the coupling capacitor , the hardest class D amplifier bass are doing very well, dive deep enough intensity , but also very jumping ability . Moreover , the abolition of the coupling capacitor for treble also has a great positive impact , is simply to upgrade the same.
    IRAUD350 input also deliberately added an inverting buffer circuit, making the amplifier is amplified positive phase , but also improve the overall circuit input resistance, better front stage to do impedance matching. Because IRS2092S itself is inverting amplifier , the input resistance is usually about 3K , it is difficult with the previous level with the good .
    IRAUD350 amplifier board development stage is long, because we hold highly responsible attitude to customers tuning , each of the above components areadjusted after repeated scrutiny after the audition and settle down , but all use the boutique fever components: the front stage power supply decoupling capacitors are Japanese chemical pitched capacitance 1500uF/6.3V, 15V regulator employs the Nikon pitched capacitance 47uF/35V, output LC filter circuit,using the original Japanese imports large current shielded inductor , RIFA fever capacitor 0.47uF / 200V, main filter capacitor using Japanese origin ELNA FOR AUDIO capacitor .....
    Each component has been carefully match was decided upon, to avoid effects discount, Please Do not change or friction machine !
    Sound performance here only to say a few : IRAUD350 amplifier has a very balanced sound , deep and powerful bass , dive deep, the intonation and sweet, clear treble, extending well. Specific to keep your taste .
The following is a distortion of the measured curve , for reference:

Description:
Name] Class D Amplifier finished board
[Model] IRAUD350
[Condition ] New and original
[Size] 192mmX76mm / block
[Producer ] Guangzhou source Chi Electronics
[Origin] China
[Price] finished plate 229 yuan / set ( one channel ) , with 4 ELNA fever audio capacitors 10000uF80v
[ Kit Contents ] a finished board .
[Use] fever amplifier stage or KTV amplifier, home theater multi-channel amplifier, car amplifier and battery -powered high-power amplifier ( needed boost equipment )
[Note] 1 . Amplifier with overcurrent and short circuit protection , the new version also adds thermal protection and over-voltage protection , the use of more safe and reliable !
           2. high-voltage power amplifier operating in the state ( DC voltage > 60V), the inductor and the radiator will be slightly hot , if poor ventilation ( eg in a sealed box ) , should be added to enhance the cooling fan .
           3. If prolonged power output , rectifier bridge requires external heat sink , the other proposes to add auxiliary cooling fan .
           4. This is a monaural power amplifier design , it is recommended to use a set of one channel power , do not share a set of multi-channel power , sharing power ground handled properly , will result in the formation of ground loop instability or damage.
[Specifications]
- Voltage Range : AC Dual 20V-58V ( rectified voltage ± 28V-80V), auxiliary 2Ω , use the AC voltage can not exceed 48V.
- Maximum output power : 350W/8Ω dual 58V AC power supply, distortion <0.1%
              700W/4Ω dual 58V AC power supply, distortion <0.1%
              900W/2Ω AC 48V power supply distortion is less than 1% ( requires fan assisted cooling )
- Voltage Magnification: 36 times ( positive phase enlarge )
- Input Sensitivity : 1.6V ( RMS )
- Input impedance : 14KΩ
- Frequency response :0-50KHz ± 1dB 10W/8Ω
- Residual noise voltage : 200uV
- Dynamic Range :> 100dB
- Overheat protection value : 85 C
- Protection value : ± 85V
- Distortion (THD + N):
 
Distortion Test Conditions / Remarks
THD + N  1W 0.02% supply voltage ± 80V 1KHz sine wave
THD + N  10W 0.01%
THD + N  100W 0.01%
THD + N  200W 0.02%
THD + N  300W 0.03%
THD + N 500W/4Ω 0.03%
 
 

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