Power Amplifier

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Mono aural Power Amplifier circuit class AB with at least 40W power rating?

Where can we find monoaural power amplifier circuit class AB with at least 40W power rating using IC's not transistors?
And with the given circuit, how can we solve for the maximum and minimum power rating?

Technically, it is a Quasi-AB amplifier IC, but look at the LM3875 chip. It puts out 56W and many DIY amplifier makers have tweaked it to sound pretty good. The only thing is that a decent heatsink is needed because at max tilt, it puts out loads of heat.

You can easily determine the maximum power rating with this chip because it is just a simple non-inverting operational amplifier design. If you have a basic understanding of op-amps, it will take you less than 5 minutes to figure out what you need to know.

Find Power Amplifier On eBay Below:

Yamaha EM2820 Powered Studio 400W Mixer 8 Channel Board W Power Amp Mode Works
Yamaha EM2820 Powered Studio 400W Mixer 8 Channel Board W Power Amp Mode Works
$199.99
Beringer mixer with a Peavy IPR 3000 stereo power amp
Beringer mixer with a Peavy IPR 3000 stereo power amp
$750.00
SAMSON S62 150 WATTS INTO 4 OHMS OUTPUT POWER 6 CHANNEL MIXER AMPLIFIER
SAMSON S62 150 WATTS INTO 4 OHMS OUTPUT POWER 6 CHANNEL MIXER AMPLIFIER
$149.99
Yamaha EMX2 10 Input Powered Mixer Dual 250 Watt Power Amp EMX 2 NEW EMX 2
Yamaha EMX2 10 Input Powered Mixer Dual 250 Watt Power Amp EMX 2 NEW EMX 2
$399.99
AELELES Professional Powered USB Mixer Amplifier Amp 16DSP Phantom Studio
AELELES Professional Powered USB Mixer Amplifier Amp 16DSP Phantom Studio
$79.99
Peavy MP4 Mark III Vintage 1979 100H Power Module PA Mixer Amplifier
Peavy MP4 Mark III Vintage 1979 100H Power Module PA Mixer Amplifier
$79.99
Yamaha EMX2 10 Input Powered Mixer w Dual 250 Watt Power Amp QUICK DELIVERY
Yamaha EMX2 10 Input Powered Mixer w Dual 250 Watt Power Amp QUICK DELIVERY
$399.99
Yamaha EMX5 12 Input Powered Mixer w Dual 630 Watt Power Amp EMX 5 Make Offer
Yamaha EMX5 12 Input Powered Mixer w Dual 630 Watt Power Amp EMX 5 Make Offer
$599.99
Yamaha EMX2 10 Input Powered Mixer w Dual 250 Watt Power Amp EMX 2 Make Offer
Yamaha EMX2 10 Input Powered Mixer w Dual 250 Watt Power Amp EMX 2 Make Offer
$399.99
Yamaha EMX2 10 Input Powered Mixer w Dual 250 Watt Power Amp 4 FREE CABLES NEW
Yamaha EMX2 10 Input Powered Mixer w Dual 250 Watt Power Amp 4 FREE CABLES NEW
$399.99
STARAUDIO Pro 2000W 4 Channel DJ PA KTV Amplifier Powered Mixer W BT USB 16 DSP
STARAUDIO Pro 2000W 4 Channel DJ PA KTV Amplifier Powered Mixer W BT USB 16 DSP
$139.00
2000Watts 10 Channel Professional Powered Mixer Power Mixing Amplifier Amp
2000Watts 10 Channel Professional Powered Mixer Power Mixing Amplifier Amp
$219.90
Mini 4 Channel Microphone Karaoke Audio Sound Mixer Amplifier with 48V Power
Mini 4 Channel Microphone Karaoke Audio Sound Mixer Amplifier with 48V Power
$51.98
Yamaha EMX2 10 Input Powered Mixer with Dual 250 Watt Power Amp BARELY USED
Yamaha EMX2 10 Input Powered Mixer with Dual 250 Watt Power Amp BARELY USED
$323.65
Behringer PMP6000 Active 20 Chan Powered Mixer Board 1600W Amplified w Effects
Behringer PMP6000 Active 20 Chan Powered Mixer Board 1600W Amplified w Effects
$529.95
Crown K2 power amp 1000 watts used mint rack mount pro quality
Crown K2 power amp 1000 watts used mint rack mount pro quality
$400.00
Hot 8 Channels Powered Mixer Amplifier Digital Audio Mixing Console US Plug P2S5
Hot 8 Channels Powered Mixer Amplifier Digital Audio Mixing Console US Plug P2S5
$105.95
Samson S8 Mixer Amplifier 8 Channel Powered Mixer W Graphic EQ
Samson S8 Mixer Amplifier 8 Channel Powered Mixer W Graphic EQ
$109.99
NEW 6 Channels Digital Mic Line Audio Mixing Console Power Mixer Amplifier M9G7
NEW 6 Channels Digital Mic Line Audio Mixing Console Power Mixer Amplifier M9G7
$102.86
TOA MX 401 POWERED MIXER AMPLIFIER
TOA MX 401 POWERED MIXER AMPLIFIER
$44.95
ammoon 6 Channel Digital Audio Mixer Mixing Console with Power Amplifier L0N3
ammoon 6 Channel Digital Audio Mixer Mixing Console with Power Amplifier L0N3
$211.80
Professional10 Channels Powered Mixer Amplifier Digital Audio Mixing Console BP
Professional10 Channels Powered Mixer Amplifier Digital Audio Mixing Console BP
$139.99
2000Watts 10 Channel Professional Powered Mixer power mixing Amplifier Amp 16DSP
2000Watts 10 Channel Professional Powered Mixer power mixing Amplifier Amp 16DSP
$139.99
2000W Watt 10 Channel Professional Powered Mixer power Mixing Amplifier Amp MX
2000W Watt 10 Channel Professional Powered Mixer power Mixing Amplifier Amp MX
$139.98
4 Channel USB Mixer Bar KTV Stage 48V Professional Mixing Power Amplifier
4 Channel USB Mixer Bar KTV Stage 48V Professional Mixing Power Amplifier
$174.86
Yamaha EMX7 12 Input All In One Mixer Power Amplifier 2x 710w  4ohm New
Yamaha EMX7 12 Input All In One Mixer Power Amplifier 2x 710w 4ohm New
$749.99
4000 Watts 8 Channel Professional Powered Mixer power mixing Amplifier Amp BM55
4000 Watts 8 Channel Professional Powered Mixer power mixing Amplifier Amp BM55
$229.00
Pro 8 Channel Powered Audio Mixer Power Mixing DJ Amplifier Amp w USB Slot 110V
Pro 8 Channel Powered Audio Mixer Power Mixing DJ Amplifier Amp w USB Slot 110V
$118.95


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