A great sounding amp with Fender type cleans and Marshall type distortions on it's 2 channels which make it very versatile.
Specs:
Rivera Chubster 55
High-gain input impedance: 1 Megohm
Low-gain input impedance: 33k ohms
Output impedance: 8 ohms
Line output impedance: 330 ohms minimum
Total harmonic distortion: 5% at rated power
Bandwidth: 50 Hz to 20kHz
Preamp tubes: Five 12AX7A
Output tubes: Two EL-34
Tube voltage: 430 volts DC
Output power: 55 watts RMS into 8 ohms
Operating voltage: 230 volts AC
Speaker: 12" Celestion G12P-80 Seventy 80
Speaker impedance: 8 ohms
Speaker power handling: 80 watts
Reverb type: Accutronics 3-spring
Footswitch functions: Channel switching, boost for Channel 1, Ninja Boost
Height: 18" / 46cm
Width: 20-7/8" / 52cm
Depth: 12"/30cm
Weight: 52 Pounds / 23.5kg
Cabinet material: Solid lumber-core plywood
Cabinet thickness: 3/4"
Baffleboard: 3/4" or 5/8"-thick Plywood
Construction: Dadoed joints
Covering: Vinyl
Cleaning of vinyl covering: Moist cloth, dishwashing liquid
Grillecloth: Synthetic, fire-retardant cloth
Care of grillecloth: Remove frame, use compressed air to blow out dust