LME49810 400W 8 2SA1943/2SC5200 Mono DC Servo Class AB Power Amplifier Board

Description

• Wide voltage range 20V to 100V
• Output power: 400W*(8)
• PCB size: 298.5 x 93.5 mm, PCB thickness 2mm, PCB copper foil thickness 2OZ
• Drive current 60mA (typ)
• Power supply ripple rejection ratio (f = DC) 110dB

Note: The LME49810 amplifier board is a mono design. Two power amplifier boards are required to form two channels. Each channel adopts 1 LME49810+5 power tube (bipolar transistor and MOSFET pin compatible) design, left and right channel PCB. Symmetrical structure.
Features:
The board is mono
Working status: Class A and Class B (can be adjusted to Class A as needed)
Output power: 400W* ( 8)
Working voltage: recommended voltage driver stage 60V; current output stage 55V, current output stage voltage is always lower than voltage driver stage voltage about 5V, speaker protection: AC 20-24V Power supply mode: dual power supply Mode, voltage drive and current output stage are powered separately, can
PCB size: 298.5 x 93.5 mm, PCB thickness 2mm, PCB copper foil thickness 2OZ
Net weight: 400g
Features:
The DC servo design is adopted, so that the midpoint output of the power amplifier board is less than 5MV.
The driver adopts the original 2SA1930/2SC5171.
The current output stage adopts 5 pairs of 2SA1943/2SC5200 power tubes, with low output impedance and large power margin.
Power tube pairing error is within 2%.
It has perfect midpoint voltage protection circuit and speaker delay protection circuit. The main chip adopts UPC1237, which is stable and reliable.
Separate design of voltage level/current level power supply, avoiding the main parameters of LME49810:
Wide voltage range 20V to 100V
Conversion rate 50V/s
Driving current 60mA (Typical)
Power Ripple Rejection Ratio (f = DC) 110dB
Total Harmonic Distortion + Noise (f = 1kHz) 0.007
Package:
1pc LME49810 400W 8 2SA1943/2SC5200 Mono DC Servo Class AB Power Amplifier Board

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