Ampeg SJ-12T Musical Instrument Amplifier User Manual


 
T
able of Contents:
The Front Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4,5
The Rear Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Important Information About Tubes and Tube Products
A Brief History Of The Tube . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
Tube Types And Usage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7,8
The Nature Of Tubes: Why (And When) To Replace Them . . . . .8,9
The Importance Of Proper Biasing . . . . . . . . . . . . . . . . . . . . . . . .9
Survival Tips For Tube Amplifiers . . . . . . . . . . . . . . . . . . . . . . . .10
System Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
Thank you for selecting the Ampeg Classic SuperJet guitar amplifier. Revived
from the sixties and ready for the nineties, this easy-to-use amplifier repre-
sents Ampeg’s quest to provide you the finest instrument amplification sys-
tems available. In order to get the most out of your new amplifier, please read
these instructions before its use.