The MC3500 Mk II is a 350-watt monoblock vacuum tube amplifier inspired by the original 1968-71 MC3500. It features eight EL509S high-power output tubes, Power Guard Screen Grid Sensor technology, and Sentry Monitor protection. The amplifier utilizes a Unity Coupled Circuit output transformer to deliver full power to speakers with 2, 4, or 8-Ohm impedance. Its machined aluminum front panel with bead blast finish and gold anodizing pays homage to the original design while incorporating modern engineering.
| Power Output | 350 Watts |
| Output Tubes | 8 x EL509S |
| Input Tubes | 3 x 12AX7A, 1 x 12AT7 |
| Inputs | Balanced and Unbalanced |
| Outputs | Balanced and Unbalanced |
| Speaker Connections | Solid Cinch binding posts |
| Protection | Power Guard SGS, Sentry Monitor |
| Weight | 121 lb (54.9 kg) |
| Dimensions | 11.5 x 22 x 9.25 in (29.2 x 55.9 x 23.5 cm) |
