Wurlitzer Model 680 schematic M odern demands upon a musician's sound quality and flexibility have led to the following designs. Let us know if you want to receive a notice when they are available. However, the tube amplifier provides a better tone and sound quality for instrument amplification. There are several reasons for this. The tube preamp is better suited for impedance matching of the guitar pickup.
Transistors are noisier compared to tube circuits that can achieve a better signal to noise ratio.
An all tube design is needed for a clean sound. T hus, noise gates were invented. A simple straight forward tube amplifier design works best for guitarist. Multiple guitar sounds are needed especially during live performance. In a recording situation, a simple tube amplifier works great because effects should only be used during mix down.