Diamond Audio Technology D5 1200.1 Manuale d'uso - Pagina 8
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A Word About
Amplifier Current Draw...
The following basic formula can be used as a quick guide to determine the
total amperage draw of a mobile audio system. This formula is based on a 85%
class "d" amplifier efficiency rating. Diamond Audio D5 amplifiers are more
efficient. Others may be less. Typical class "ab" mobile amplifiers are around
50% efficient.
Formula:
Total amplifier rated RMS power divided by .85 = Total Input Wattage
Total Input Wattage = Current Draw (in Amps)
Battery Voltage
Example:
An D5 600.1 amplifier has 1 channel at 600 Watts RMS into 1 Ohm totaling
600 Watts. Work the formula as follows:
600 Watts / .85 = 705.88 W
705.88 W = 58.82 A Total Current Draw
12 V
If using a D5 1200.1 amplifier driven to a 1 Ohm mono load, double the total
wattage number:
1200 / .85 = 1411.76 W
1411.76 W = 117.65 A Total Current Draw
12 V
Note: If you are installing multiple amplifiers, add up the total current draw
for all of them and choose the appropriate gauge based on the grand
total.
TURN-ON CONNECTION (REMOTE)
Locate the terminal labeled "REMOTE" between the ground and +12V power
connection points on the end of the amplifier. Your source unit should have a
wire in its harness labeled "REMOTE" or "AMP TURN-ON." Some source units
come equipped with a "Power Antenna" lead only. This should also work. Run
this wire from your source unit to the amplifiers REMOTE connection. Strip
approximately 1/2 inch of insulation from the wire. Insert the wire into the
terminal, and tighten the Allen screw. Your D5 Professional Reference Series
Amplifier will accept remote turn-on wire up to 10 gauge directly.
Diamond Audio Technology 6