GT10 Guitar Amplifier GT10 TECHNICAL SPECIFICATIONS: Output Power Rating 10W RMS @ 1% THD, 4Ω, 120 VAC 14W @ 10% THD Speaker Size 6” Input Impedance 500k ohms Minimum Noise 1mV Maximum Noise 10mV Distortion 9% Power Requirements 120 VAC, 60Hz, 20VA 100/115VAC, 50/60Hz, 20VA 230VAC, 50/60Hz, 20VA Size and Weight 14” H x 12-1/2” W x 6” D, 12 lbs. The GT10 is covered with a durable Tolex material: wipe it clean with a lint-free cloth. Never spray cleaning agents onto the cabinet.