Universal Audio OX Operation Manual page 41

4x12 GB25 Punch
This vintage closed-back cabinet with four 12-inch speakers is the sound of rock guitar.
With original "green" 25-watt speakers, it breaks up on high notes around F#, G#, and
C when SPEAKER DRIVE is pushed. This specific vintage cabinet has a moderately
scooped midrange delivering a tighter sound.
4x12 Super 80
This custom ported cabinet features four 12-inch vintage "lead" 80-watt speakers. These
speakers have a soft treble response, but with an aggressive and forward midrange. They
break up on high notes around F, A#, and C# when SPEAKER DRIVE is pushed.
4x12 White 75
This custom ported cabinet features 12-inch "white/cream" 75-watt modern British
speakers. These speakers have an extended treble/presence frequency response and
break up on high notes around G# and C# when SPEAKER DRIVE is pushed.
OX Amp Top Box 41 Rig, Cabinet, & Mic Descriptions