Yamaha V1.6 PX10/PX8/PX5/PX3 V1.6 Reference Manual [English] - Page 50

Reference - Current draw and thermal dissipation Current draw and thermal dissipation Test signal: Pink noise (bandwidth limited from 22 Hz to 22 kHz), 1 Btu = 1,055.06 J = 0.252 kcal, (W) × 0.86 = kcal  PX10 Idle 1/8 out 1/3 out 100 V/50 Hz 8Ω/ch 4Ω/ch 8Ω/ch 4Ω/ch Current Draw (A) @100V 0.8 2.6 3.1 5.6 7.2 Power consumption (In) 57 213 261 472 608 Watt (W) Power consumption (Out) 0 125 150 333 400 Watts dissipated 57 88 111 139 208 Idle 1/8 out 1/3 out 110 V-120 V/60 Hz 8Ω/ch 4Ω/ch 8Ω/ch 4Ω/ch Current Draw (A) @120V 0.7 2.2 2.7 4.6 5.9 Power consumption (In) 60 213 263 466 597 Watt (W) Power consumption (Out) 0 125 150 333 400 Watts dissipated 60 88 113 133 197 Idle 1/8 out 1/3 out 220 V-240 V/50 Hz 8Ω/ch 4Ω/ch 8Ω/ch 4Ω/ch Current Draw (A) @230V 0.5 1.4 1.6 2.7 3.3 Power consumption (In) 62 219 271 471 602 Watt (W) Power consumption (Out) 0 125 150 333 400 Watts dissipated 62 94 121 138 202 Thermal dissipation Btu/h kcal/h 195 49 300 76 379 95 474 120 710 179 Thermal dissipation Btu/h kcal/h 205 52 300 76 386 97 454 114 672 169 Thermal dissipation Btu/h kcal/h 212 53 321 81 413 104 471 119 689 174 PX10/PX8/PX5/PX3 Reference Manual 50