Description Product Description Adds foot-switchable expansion control and tremolo to Two-Rock's best selling Studio Pro series that is known for its extraordinary clean headroom. The new expansion control allows an adjustable EQ bypass to the clean channel. This expansion function increases the amount of gain on the front end. The package comes in a new medium-sized chassis, available in 22W combo with 6V6 power tubes. Combos come stock with 8 OHM Celestion G12-65. Output Power: 22W Tubes: 6V6 ONLY Features: Single channel Studio Pro platform and controls, Analog Spring Reverb with large reverb tank, Expansion control - foot switchable, Tube Tremolo feature - foot switchable, Pickup Loading feature Speakers: 1x12 - Celestion G12-65 Dimensions: 18 5/8" wide x 20" tall x 10 1/2" deep Weight: 42 lbs