Yamaha Current Draw and Heat Dissipation Data for Tn Series Data Sheet
10-1 Nakazawa-cho, Naka-ku, Hamamatsu Japan
www.yamahaproaudio.com
This datasheet provides current draw and heat dissipation values for Tn series power amplifiers.
1/8 power is typical of program material with occasional clipping. Refer to these figures for most applications.
1/3 power represents program material with extremely heavy clipping.
Test signal: Pink Noise, bandwidth limited from 22Hz to 22kHz
1W = 0.860kcal/h, 1BTU = 0.252kcal
Note that Line Voltage [V] x Line Current [A] = [VA], not equals to [W].
X T5n
X T4n
X T3n
Line Current (A)
Power
Consumption (W)
Heat Dissipation
120 V
230 / 240 V
Btu / h
kcal / h
Standby
0.08
0.04
5
17
4
Idle
1.0
0.5
70
239
60
1/8 power
8 ohms / ch
10.4
5.7
637
1070
269
4 ohms / ch
14.7
8.1
955
1470
369
2 ohms / ch
20.0
11.0
1302
2310
582
1/3 power
8 ohms / ch
20.6
11.3
1398
1810
457
4 ohms / ch
30.9
17.0
2222
2810
707
2 ohms / ch
40.6
22.3
2924
4290
1080
Line Current (A)
Power
Consumption (W)
Heat Dissipation
120 V
230 / 240 V
Btu / h
kcal / h
Standby
0.08
0.04
5
17
4
Idle
1.0
0.5
70
239
60
1/8 power
8 ohms / ch
8.4
4.6
515
861
217
4 ohms / ch
12.2
6.7
795
1220
308
2 ohms / ch
17.6
9.7
1146
2030
512
1/3 power
8 ohms / ch
16.6
9.1
1129
1460
369
4 ohms / ch
25.7
14.1
1852
2340
589
2 ohms / ch
35.7
19.6
2573
3780
952
Line Current (A)
Power
Consumption (W)
Heat Dissipation
120 V
230 / 240 V
Btu / h
kcal / h
Standby
0.08
0.04
5
17
4
Idle
1.0
0.5
70
239
60
1/8 power
8 ohms / ch
6.0
3.3
368
615
155
4 ohms / ch
9.1
5.0
591
907
229
2 ohms / ch
15.2
8.4
990
1760
443
1/3 power
8 ohms / ch
11.9
6.5
806
1050
264
4 ohms / ch
19.1
10.5
1376
1740
438
2 ohms / ch
30.9
17.0
2222
3260
822
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