Skema Rangkaian Driver Power Amplifier
Note that you might want to backup whatever file this would overwrite first. If you are playing on v1.13d, use instead. The C++ 2013 redistribuables should no longer be needed but windows users will still need to add DEP exceptions both for game.exe and diablo II.exe and restart computer. Please read the first release post, there are many things that were addressed there. Let us know if you experience any issue and we'll be happy to assist you.
I've made gainclone amplifier that uses a LM3886 chip. It's one of the best compact HiFi amplifiers. It is a Class AB-A (conjugate) amplifier that has a fully symmetrical structure (push-pull), this mean that the sine waves produced, will produce a +, - output. A 25 volt (+/- Dual Rail), 5 Ampere, toroidal transformer was used to supply electricity for the amp. There's also a PCB Layout provided for the project. I found an old CPU processor attached to a gorgeous heatsink & fan, I recycled both of them and drilled holes for it to be mounted on the LM3886 chips.
Jun 12, 2011 - 600 Watt Darlington Power Amplifier CircuitThis Power amplifier circuit is based around IC audio power amplifier driver (LM4702). Massive Subwoofer, Massive Ported Box (Build) Rockford Fosgate Power T3 19' Plexi Window VIDEO 1.
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Specifications: - Maximum Output Power: 68W RMS - 108W Peak - Frequency Response: 7Hz-25kHz (Filtered ⇒Linkwitz) - THD:%0.03 at 60W - SNR: 110dB at 60 W - 92.5dB at 1W - Output Class: AB-A (Conjugate) - Auxiliary Features: DC/AC Short circuit protection and thermal protection. - Working Voltage/Power: 12-94 Volts (Dual Rail), 1-10 Amperes - Audio Features: Input Mute Funtion (100% silent = no input) Too bad I had a late documentation, that's why I only have a few pictures of the steps and procedures. Due to the late documentation, I had to get images from the source. Some of the pictures are not mine, there are no claims that the PCB designs are mine nor the diagrams, although there where some modifications made by me for the amp. What Is A Gainclone? Back in 1999, relatively unknown manufacturer released the 'Gaincard' to rave reviews. It immediately caused controversy because it was based around a $5 power amplifier IC (Integrated Circuit), yet a typical setup would cost you around $3300.
A Gainclone in the other hand refers to any DIY amplifier that uses a LM3875/ LM3886 as it's main component. What's So Special About It? The gainclone only uses small amounts of space, it's built with a minimal supply of components, yet giving a great HiFi result. It beats the hell out of those modern HiFi amps, it produces 2x68 watts of power, with a Total Harmonic Distortion of 0.03%THD and built on a 2x3 PCB board! So why doesn't the audio industry use it? I'm not really sure. All of these sounds 'too good to be true', I recommend this project for those who are still starting on their DIY HiFi amp hobby, since it only uses some few components.
What's A Power Amp? A power amp is a amplifier with no preamp, volume control, tone control, or any auxiliary devices attached to it. It's just pure simplicity. Coming Soon: DIY HiFi Preamp With Tone Control (Works With The Gainclone). I can tell that parts in the US are highly expensive. Here in the Philippines a typical resistor would cost 0.25 centavos ($0.0006), while in america, a typical resistor would cost $1 each.
There's a large difference. Also, parts are available here almost everywhere. That's the beauty of living here when you have a hobby of electronics. My project cost me P870.00 ($21.75) all in all. Parts: _______________________________________________ Others: - LM3886 amplifier chip (2pcs.) - 25 Volt, Dual Rail Transformer (Toroidal/ IE) - 2x3 PCB board (2pcs.) - Large Heatsink (2pcs.) - Cooling Fan (1pc.) - Plastic/ Metal Enclosure(1pc.) - AC Cable _______________________________________________ Resistors: _______________________________________________ Capacitors: _______________________________________________.