Yamaha PX10, Reference Manual

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Reference — Current draw and thermal dissipation
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PX10/PX8/PX5/PX3 Reference Manual
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PX3
100 V/50 Hz
Line current (A) Watt (W) Thermal dissipation
100 V
Power consumption
(In)
Power consumption
(Out)
Watts dissipated Btu/h kcal/h
Idle 0.8 46 0 46 157 40
1/8 out
8Ω/ch 1.5 94 38 56 191 48
4Ω/ch 2.0 137 63 74 253 64
1/3 out
8Ω/ch 2.6 174 100 74 253 64
4Ω/ch 3.9 285 167 118 403 101
110 V-120 V/60 Hz
Line current (A) Watt (W) Thermal dissipation
120 V
Power consumption
(In)
Power consumption
(Out)
Watts dissipated Btu/h kcal/h
Idle 0.8 54 0 54 184 46
1/8 out
8Ω/ch 1.3 100 38 62 212 53
4Ω/ch 1.8 140 63 77 263 66
1/3 out
8Ω/ch 2.3 183 100 83 283 71
4Ω/ch 3.4 291 167 124 423 107
220 V-240 V/50 Hz
Line current (A) Watt (W) Thermal dissipation
230 V
Power consumption
(In)
Power consumption
(Out)
Watts dissipated Btu/h kcal/h
Idle 0.5 57 0 57 195 49
1/8 out
8Ω/ch 0.8 101 38 63 215 54
4Ω/ch 1.1 142 63 79 270 68
1/3 out
8Ω/ch 1.4 181 100 81 276 70
4Ω/ch 2.1 293 167 126 430 108