FETs Deliver
You want that warm tube glow. You want that tube sustain. Plus you want portability and battery operation. It's a wonderful world. With a JFET, you can have all that and more . A JFET is the real deal. It delivers on the promise. And it's the only true answer.
FETs Versus Op Amps
If you've ever heard an op amp, you probably wonder why it sounds so pinched. The secret's in the circuit. A look inside reveals tens, hundreds or thousands of devices. You have feedback loops, compensation, current mirrors and a whole lot more.
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The op amp sounds different because it is different. Go with a FET: You're back to simple construction and sweet sound. The price can be less than an op amp costs. Besides, a FET takes up less space than an op amp does. All you need fits onto a little piece of perfboard. Average power drain is about 2 mA. A 9-volt battery lasts a long time. (Not as long as with the J201 circuit. But long enough.) |
FET Preamp Schematic
Parts List
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