Owner's manual

Power 1/3 Power 1/8 Power Idle
[W] note 1 note 2
iP 1350 8 ohms 2x 300 495 325 72
4 ohms 2x 500 840 540 72
2 ohms 2x 700 1330 840 72
note 1 Average power with music as program source. The amplifier driven to clip level.
note 2 Normal music power with 9dB headroom, IEC standard power rating.
MAX OUTPUT POWER MAINS INPUT POWER
Table 1.
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The heat power can be calculated as in the following example:
We consider a headroom of at least 5dB (1/3 of full power) and a 4 ohms load on an amplifier
producing 500 watts per channel. The 1/3 power per channel is accordingly 500 / 3 = 167 watts, and
total output 2 x 167 = 334 watts.
The power consumption according to the chart above is then 840 watts. This chart shows the active
power consumption of the amplifier with different loads and power levels.
The heat power produced is the difference between the power consumption and output power:
840 - 334 = 506 watts per amplifier.
The chart below shows the heat power produced in watts, in kcal per hour, and also in BTU per hour.
1/3 Power(1) 1/8 Power (2
)
1/3 Power(1) 1/8 Power (2
)
1/3 Power(1)1/8 Power (2)
[W] [W] kcal / h kcal / h BTU / h BTU / h
iP 1350 8 ohms 295 250 250 220 1010 850
4 ohms 507 415 440 360 1730 1420
2 ohms 863 665 740 570 2950 2270
note 1 Average power with music as program source. The amplifier driven to clip level.
note 2 Normal music power with 9dB headroom, IEC standard power rating.
HEAT POWER
The efficiency can also be calculated, it being the output-power divided by the input-power:
334 watts / 840 watts= 40%.
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XLR Input connectors are active balanced and wired according to the IEC 268, that is pin 2 hot, and wired
in the following way:
PIN 1 GROUND/SHIELD
PIN 2 HOT (+)
PIN 3 COLD (-)
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