Yamaha PX-3, Reference Manual

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Reference — Current draw and thermal dissipation
48
PX10/PX8/PX5/PX3 Reference Manual
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
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PX10
Current draw and thermal dissipation
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 57 0 57 195 49
1/8 out
8Ω/ch 2.6 213 125 88 300 76
4Ω/ch 3.1 261 150 111 379 95
1/3 out
8Ω/ch 5.6 472 333 139 474 120
4Ω/ch 7.2 608 400 208 710 179
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 0.7 60 0 60 205 52
1/8 out
8Ω/ch 2.2 213 125 88 300 76
4Ω/ch 2.7 263 150 113 386 97
1/3 out
8Ω/ch 4.6 466 333 133 454 114
4Ω/ch 5.9 597 400 197 672 169
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 62 0 62 212 53
1/8 out
8Ω/ch 1.4 219 125 94 321 81
4Ω/ch 1.6 271 150 121 413 104
1/3 out
8Ω/ch 2.7 471 333 138 471 119
4Ω/ch 3.3 602 400 202 689 174