Join Date: Dec 2000
Location: Morgan Hill, CA
Re: Difference between Peavey JSX and Classic 30?
the JSX crunch channel is built on the Classic 30 dirty channel so they sound VERY VERY similar. The only main difference is the JSX has an active EQ and the Classic 30 has a passive EQ. Active just means you'll have more control over shaping your tone because when you turn say the mid knob, it affects some of the surrounding frequencies not just say 350hz.
The JSX clean channel is also built on the Classic 30 and retains a passive EQ I believe. Only main difference is the amount of headroom (volume to distort) on the JSX is higher, meaning you'll be able to turn the JSX up louder and still retain a more clean sound.
The JSX also has an ultra channel which has tons and tons of gain, which can be good if you like that sorta thing.
All in all, the Classic 30 can probably do 90% of what the clean/crunch channel of the JSX can do. The JSX just has an extra channel, slightly different EQ section and a powerhouse 3rd channel. JSX also has a variable noise gate.
I'd say buy a JSX it's more versatile, but just buy whatever your budget can afford. The Classic 30 is by no means a slouch in the amp department.