The ZT Lunchbox  I first saw the ZT Lunchbox amplifier in a
company advert.  Reading the claim that the amplifier
was capable of pushing a 200 watt signal through a 6.5″ speaker,
I wondered how the amp sounded, and whether it could live-up to
the flurry of glowing user reviews that cropped up online.  ZT
Amps Lunchbox   Months later, I played a gig where the opening
band consisted of two horns and a full rhythm section.  To my
amazement, the guitarist of that group, using only an un-mic’d
ZT Lunchbox amp, cut through the live mix with a rich and
balanced tone that belied the amp’s small speaker size.   My
perception was that the tones I was hearing could only have come
from a much larger (and frankly more expensive) amplifier than
the lunch box sized amplifier I saw sitting on a chair next to
the drummer.  The study of how one perceives sound is a branch
of science called psychoacoustics, which is not only an area of
interest to the CEO and lead designer of ZT Amplifiers, Ken
Kantor, but also is a key design