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:

Pro 6 Channel Powered Audio Mixer Power Mixing DJ Amplifier Amp w USB Slot
Pro 6 Channel Powered Audio Mixer Power Mixing DJ Amplifier Amp w USB Slot
$129.90
Yamaha EMX5016CF 16 Input Powered Mixer with Dual 500 Watt Power Amps
Yamaha EMX5016CF 16 Input Powered Mixer with Dual 500 Watt Power Amps
$999.99
6 Channel Professional Powered Mixer Power Mixing Amplifier W USB Slot Amp 16DSP
6 Channel Professional Powered Mixer Power Mixing Amplifier W USB Slot Amp 16DSP
$114.95
Yamaha EMX5 Powered Mixer And Amplifier
Yamaha EMX5 Powered Mixer And Amplifier
$600.00
Rockville RPM45 2400w Powered 4 Channel Mixer Amplifier w USB EQ Effects Phantom
Rockville RPM45 2400w Powered 4 Channel Mixer Amplifier w USB EQ Effects Phantom
$109.95
Pro 6 Channel Powered Audio Mixer Power Mixing DJ Amplifier Amp w USB Slot
Pro 6 Channel Powered Audio Mixer Power Mixing DJ Amplifier Amp w USB Slot
$114.95
PEAVEY XR 600 E 6 Channel Powered Mixer Amplifier Head Tested Working Free Ship
PEAVEY XR 600 E 6 Channel Powered Mixer Amplifier Head Tested Working Free Ship
$249.99
Kinter MA170 12V 2 Channel Mini Digital Audio Power Amplifier for Car or Mp3
Kinter MA170 12V 2 Channel Mini Digital Audio Power Amplifier for Car or Mp3
$21.72
8 Channel Professional Powered Mixer Power Mixing Amplifier W USB Slot Amp 16DSP
8 Channel Professional Powered Mixer Power Mixing Amplifier W USB Slot Amp 16DSP
$119.95
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
$121.95
Danville PA 4080 4 Powered Mixer Amplifier 160W
Danville PA 4080 4 Powered Mixer Amplifier 160W
$100.00
2 Studiomaster NOS Power Amplifier Rack Ears Brackets for 2000e 1500e 900e 600e
2 Studiomaster NOS Power Amplifier Rack Ears Brackets for 2000e 1500e 900e 600e
$4.99
Presonus HP2 Headphone Amp 2 Channel Battery Powered Stereo Headphone Amplifier
Presonus HP2 Headphone Amp 2 Channel Battery Powered Stereo Headphone Amplifier
$119.95
Pro Powered Audio Mixer 10 Channels Studio Power Mixing Amplifier w Mic Preamps
Pro Powered Audio Mixer 10 Channels Studio Power Mixing Amplifier w Mic Preamps
$145.95
PEAVEY XRD 680S POWER AMPLIFIER MIXER
PEAVEY XRD 680S POWER AMPLIFIER MIXER
$199.00
Pro 4 Channel Powered Audio Mixer Power Mixing Amplifier USB Slot 5 Bargraph
Pro 4 Channel Powered Audio Mixer Power Mixing Amplifier USB Slot 5 Bargraph
$98.95
6 Channel Professional Powered Mixer power mixing Amplifier 16DSP USB
6 Channel Professional Powered Mixer power mixing Amplifier 16DSP USB
$115.79
10 Channel Professional Powered USB Mixer Amplifier Amp 16DSP 48V Phantom Studio
10 Channel Professional Powered USB Mixer Amplifier Amp 16DSP 48V Phantom Studio
$143.59
peavey CS 400 Stereo power amplifier
peavey CS 400 Stereo power amplifier
$69.99
6 Channel Professional Powered USB Mixer Studio Amplifier Amp 16DSP 48V Phantom
6 Channel Professional Powered USB Mixer Studio Amplifier Amp 16DSP 48V Phantom
$111.95
180 Watt 4 Channel Professional Powered Mixer power mixing Amplifier Amp 16DSP
180 Watt 4 Channel Professional Powered Mixer power mixing Amplifier Amp 16DSP
$96.99
6 Channel 16DSP Professional Powered Mixer power mixing Amplifier USB
6 Channel 16DSP Professional Powered Mixer power mixing Amplifier USB
$115.36
Yorkville MM5D Powered Mixer And Amplifier 5 Inputs as is read
Yorkville MM5D Powered Mixer And Amplifier 5 Inputs as is read
$64.99
Vtg Peavey XR 500 Series 260C Powered Mixer Amp Amplifier Audio Equipment Tested
Vtg Peavey XR 500 Series 260C Powered Mixer Amp Amplifier Audio Equipment Tested
$116.95
Peavey M 2600 Power Amplifier
Peavey M 2600 Power Amplifier
$325.00
Professional 4 Channel Powered Mixer USB Amplifier Amp 16DSP Broadcast Studio
Professional 4 Channel Powered Mixer USB Amplifier Amp 16DSP Broadcast Studio
$101.95
Professional 6 Channel Powered Mixer USB Amplifier Amp 16DSP Broadcast Studio
Professional 6 Channel Powered Mixer USB Amplifier Amp 16DSP Broadcast Studio
$107.95
8 Channel Powered Mixer USB Amplifier Amp 16DSP LCD Display Family Party Stage
8 Channel Powered Mixer USB Amplifier Amp 16DSP LCD Display Family Party Stage
$135.95


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