Schematics / Amplifiers
Schematics / Amplifiers
Trainwreck Express Guitar Amplifier
Because of their sound, Trainwreck amplifiers (http://www.trainwreck.com) have an almost occult like following among guitarists. And, because they are produced in such small volumes, they are almost impossible to obtain....
Sweet, Tube - Based Amplifier
I spent much of 1997 designing and building my ultimate dream amplifier, which I named "The Emperor's New Amplifier"TM (TENA) for a quality it shares with the fabled emperor's wardrobe-- transparency...
Pocket Amplifier
Chu Moy designed a very popular headphone amplifier that's easy to build, and it can be built small enough to fit in a pocket, power supply and all. It's powerful enough to drive very inefficient headphones to thunderous volumes from even weak sources...
45 Watt Single Chip Amplifier
This circuit is based on the National Semiconductor LM3876. This device is capable of delivering as much as 56W of continuous average power into an eight ohm load with 0.1% THD from 20Hz to 20Khz. Be sure to provide an adequate heat sink for the package....
Low Noise Variable Gain Amplifier
A number of single-chip VGAs variable-gain amplifiers are available today. Unfortunately, they all have drawbacks, such as high noise, 55V limit, low input impedance, or nonlinear gain/frequency characteristics...