Niin että Randall Smith (mesa Boogie) on nyt keksiny ja patentoinu tämmösen uuden keksinnön kun "
Solo Control - Pre-settable, Footswitchable Volume Boost, Pat:6,724,897".
Ja tässä sitten ote jostain 77 luvun kataloogista jossa on jo tommonen systeemi:
">>the acoustic model 450/406 system incorporates several "real" advantages for the professional musician that cannot be found on any other concept amplifier presently manufactured. the 450 has one channel...
but an auziliary volume control allows you to preset any two foot switchable levels.
three tone controls coupled with a bright switch and a 5 band graphic equalizer provide the ultimate in signal processing. of course, a footswitchable distortion control is included to allow low level warmth when needed.
Korjaus: Miksei linkki tuu, ja tekstistäkin jäi pari kirjainta pois? Koitetaan kolmannen kerran:
http://acoustic360.homeunix.net/products/main/450.html