Lab.gruppen iP 2100 - Manual (Page 11)

able 1.
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e calculated as in the following example:
4 ohms load on an amplifier
to the chart above is then 1150 watts. This chart shows the active
he heat power produced is the difference between the power consumption and output power:
produced in watts, in kcal per hour, and also in BTU per hour.
he efficiency can also be calculated, it being the output-power divided by the input-power:
Power 1/3 Power 1/8 Power Idle
[W] note 1 note 2
iP 2100 8 ohms 2x 425 690 430 90
4 ohms 2x 700 1150 760 90
2 ohms 2x 1050 1925 1225 90
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
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The heat power can b
We consider a headroom of at least 5dB (1/3 of full power) and a
producing 700 watts per channel. The 1/3 power per channel is accordingly 700 / 3 = 233.5 watts, and
total output 2 x 233.5 = 467 watts.
The power consumption according
power consumption of the amplifier with different loads and power levels.
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1150 - 467 = 683 watts per amplifier.
The chart below shows the heat power
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 2100 8 ohms 407 324 350 280 1390 1110
4 ohms 683 585 590 500 2330 2000
2 ohms 1225 963 1050 830 4180 3290
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
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467 watts / 1150 watts= 41%.
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tive balanced and wired according to the IEC 268, that is pin 2 hot, and wired
IN 1 GROUND/SHIELD
XLR Input connectors are ac
in the following way:
P
PIN 2
HOT (+)
PIN 3 COLD (-)
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