a friend just moved away and gave me one of his old art tube mp preamps. i have always wondered what one of these things sounded like. well it makes some kind of static sound when i di my bass through it, mainly when i hit the lower notes but it fattens it up and adds some kind of cool effect. (dimension?) same for guitar. i plugged my cad m179 into it and tried singing and playing acoustic guitar through it. it sounded decent as long as i did'nt crank up the gain. as far as just sitting and playing in front of a mic, i prefer its sound over my yamaha mg mixer.
i know i have read some where about improving the sound of the mp by changing the tube and some components but I can't remember where. does anyone know of any mods or reccommended tube to try? i think the tube may be pretty old due to the static sound on bass/guitar.