ART 300 Mono-block amplifier Power : 300 Watts rms from 30Hz to 15KHz Sensitivity : 1.0V rms to rated power Frequency Response : 20Hz to 20KHz, +/-.25dB Tube Complement : 2 x 6922.4 x KT150	ART 150 "Stereo amplifier Power : 150 Watts rms per channel from 30 Hz to 15 KHz Sensitivity : 1.0V rms to rated power Frequency Response: 20 Hz to 20 kHz, +/- .25 dB Tube Complement : 3 x 6922, 4 x KT150"	ART108A 160 Watts rms from 30 Hz to 15 KHz at no more than 1.5 % THD into 4 ohms Sensitivity: 1.0V rms to rated power Frequency Response: 20 Hz to 20 kHz, +/- .25 dB 3 x 6922, 8 x KT88
ART 27A "36 Watts rms per channel from 30 Hz to 15 KHz Sensitivity: 0.6V rms to rated power Frequency Response: 20 Hz to 20 kHz, +/- .25 dB 3 x 6922, 4 x KT88"	Classic 120 SE "125 Watts per channel stereo amplifier 30 Hz to 15 KHz at no more than 1.5 % THD 3 x 6922, 8 x KT120 CJD Teflon Capacitors Ultra high-performance metal foil resistors"	Classic 120 "125 Watts per channel stereo amplifier 30 Hz to 15 KHz at no more than 1.5 % THD 3 x 6922, 8 x EL34 Polypropylene and polystyrene capacitors Precision, metal-film resistors"
Classic 62 SE "60 Watts per channel stereo amplifier 30 Hz to 15 KHz at no more than 1.5 % THD 3 x 6922, 4 x KT120 CJD Teflon Capacitors Ultra high-performance metal foil resistors"	Classic 62 "60 Watts per channel stereo amplifier 30 Hz to 15 KHz at no more than 1.5 % THD 3 x 6922, 4 x EL34 Polypropylene and polystyrene capacitors Precision, metal-film resistors"