Well, efficiency is a factor in determining current draw.
But you are likely going to have increased current draw from increasing power by that much, even if the higher powered amplifier is more efficient.
For example....a 1500w amplifier that is only 30% efficient is going to draw 185A on a 13.8V electrical system at full output. A 2000w amplifier that is 60% efficient (double the efficiency) is going to draw 202A on that same 13.8V electrical system.
Those numbers are just for example purposes....but it shows you that the increased power has a larger effect on current draw than a large increase in efficiency. And chances you'll have *that* big of an efficiency difference between the two amplifiers is slim.
But you are likely going to have increased current draw from increasing power by that much, even if the higher powered amplifier is more efficient.
For example....a 1500w amplifier that is only 30% efficient is going to draw 185A on a 13.8V electrical system at full output. A 2000w amplifier that is 60% efficient (double the efficiency) is going to draw 202A on that same 13.8V electrical system.
Those numbers are just for example purposes....but it shows you that the increased power has a larger effect on current draw than a large increase in efficiency. And chances you'll have *that* big of an efficiency difference between the two amplifiers is slim.
- Thread Starter
- #3
Do you know of an extremely efficient 2000 watt amplifier?
How much are you looking to spend?
And what impedance do you need the amplifier to drive 2kw into?
And what impedance do you need the amplifier to drive 2kw into?
DBfan187
5,000+ posts
Supa's mom was here!
Opti2kd
- Thread Starter
- #6
doesn't matter, 1 or 2 ohms (will power 2 12L7s). As for money, around 450.00
n2audio
5,000+ posts
OPTIDRIVEN
that 2kd is 85% eff at full power, 79% at 1/3 and will do just under 2kw at 1/2 ohm. Perfect for a pair of DVC 2's and well under $450.
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