Rivera Stage IV Combo; Tube Combo Amplifier for Electric Guitar; One amp that defined the LA and Nashville Studio Sound of the 1970 s & 80s was a US 1 x 12" Combo modified by Paul Rivera; the Rivera Stage IV is a reissue of that amplifier re-offering the legendary tones recorded by numerous illustrious artists; Channels: 2; Power: 20 Watts; Pre-Amp Tubes: 5 x 12AX7; Power-Amp Tubes: 2 x 6V6; equipped with: 1 x 12 Eminence EM12 Speaker/s; Controls: Channel 1: Volume (Pull for Channel selection), Treble (Pull for Boost), Middle (Pull for Notch), Bass; Channel 2: Volume, Treble (Pull for Bright), Fat, Middle (Pull for Notch), Bass; Global: Master (Pull for Boost), Reverb, Presence, FX Send & Return Level, Tremolo Intensity & Speed (Pull for Tremolo); Effects: Reverb; Effect Loop: Active Series; Connections: Hi & Low Gain Inputs (2 x 6,3mm Jack), FX Loop (2 x 6,3mm Jack), Footswitch Connector (7-Pin DIN); Speaker Outputs: 2 x 1/4" Jack; Dimensions (W x D x H): 603 x 305 x 457 mm; (23,8" x 12" x 18"); Weight: 27,2 kg (60 lbs); included: FS-7 Footswitch (Ch. Sel., Ch. 2 Boost, Tremolo); Made in USA