Peavey KB® 4 75-Watt Keyboard Amplifier with 15" Speaker and Tweeter Live Sound Microphones A simple change of fuse

A simple change of fuse and proper positioning of a voltage selector will adjust the unit for any voltage between 100 and 240 V AC

There is a gain "Boost" switch associated with the guitar inputs which boosts gain by 26dB to cater for instruments with very low level outputs and the overdrive characteristics of the guitar inputs are very similar to a valve (tube) circuit

normal guitar tone

and a passive dual high pass filter with a slope of 12 dB per octave

Peavey KB® 4 75-Watt Keyboard Amplifier with 15" Speaker and Tweeter Live Sound Microphones A simple change of fuseThe KB 4 was designed as a personal PA system in a keyboard amp. The KB 4 features separate inputs on each channel and can easily handle voice, microphones and other instruments, including acoustic and electrical guitars, drum machines and backing machines, such as CD and DAT players. Other essential features include stereo effects loop, ground lift, master level, XLR balanced stereo line out, DDT defeat switch and the capability to drive an external