100W Guitar Amplifier Mk II

Acoustic guitar amplifiers tend to be always an appealing obstacle. The tone controls, gain and overload characteristics are very individual, and the ideal combination varies from one guitarist to the next, and from one guitar to the next. There isn't any amp which satisfies everyone's needs, this also giving just isn't expected to be the exception. The actual preamp is in Revision-A, and also however the total schematic of the brand new model just isn't found beneath, education characteristics will not be transformed : it nonetheless has the identical strengthen control "stack" along with regulates, although right now includes a second OpAmp to reduce end result impedance and also strengthen gain characteristics. You can also Subscribe to FINAL YEAR PROJECT'S by Email for more such Projects and Seminar.

One major difference from any "store bought" amplifier is that if you build it yourself, you can modify things to suit your own needs. To be able to try things out will be the essential to this circuit, which is even though displayed throughout full variety, there exists just about every expectation in which building contractors will always make adjustments geared to themselves.


The amp is rated at 100W into a 4 Ohms load, as this is typical of a "combo" type amp with two 8 Ohm speakers in parallel. Alternatively, you can run the amp into a "quad" box (4 x 8 Ohm speakers in series parallel - see Figure 5 in Project 27b, the original article) and will get about 60 Watts. For the really adventurous, 2 quad boxes and the amp head will provide 100W, but will be much louder than the twin. This is a common combination for guitarists, but it does make it hard for the sound guy to bring everything else up to the same level.

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