IF YOU'RE READING THIS YOU LIKELY ALREADY KNOW ALL ABOUT THE TWIN. THE ONLY DIFFERENCE HERE IS THIS IS A MID 80s REVERA DESIGNED BLACKFACE TWIN. THIS AMP IS 100 W RATHER THAN THE REGULAR 80W AND THE REAL BONUS IS IT HAS A MASTER VOLUME AND EFFECTS LOOP. THE AMP HAS ORIGINAL SPEAKERS AND IS IN PERFECT CONDITION. HAVING THAT GLORIOUS FENDER SPARKLE AND REVERB. THESE ARE HARD TO FIND IN GOOD SHAPE AND A FAR BETTER AMP THAN THE REISSUES. MIKE IN DUNCAN