Power Output: 17 WattsPreamp Tubes: two 12ax7/ECC83Output Tubes: Matched Pair EL84Rectifier: GZ34/5AR4Bias: CathodeControls: Master,Volume, Tone, CutSpeaker out: 8 & 16 ohmsColor: WalnutVoltage: 120 u.s.a.Construction: Handwired PTP