12V RIG - Help, knowledge & Advice appreciated |
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bitSmasher
Old Croc Joined: 23 June 2012 Location: Melbourne Status: Offline Points: 2296 |
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I use a Pioneer GM-D9604, with ch 3&4 bridged. It can pump out heaps of power for a 12v rig (measured 40v+ in to 4r), though the quiescent current is 1.5A from memory
This is the "brute force method" and I use 40ah or 80ah SLA to power it. Big, dumb, heavy and loud! Keep in mind any onboard crossover will be fairly shallow, ie 12db/oct Going for a MiniDSP is a good investment
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https://www.instagram.com/batteryacidsoundsystem/
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studio45
Old Croc Joined: 16 October 2007 Location: United Kingdom Status: Offline Points: 3863 |
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1.5A isn't too bad for a - what - 1x500w + 2x250w setup? I get figures close to that when working with Sure boards, especially if I want to run two boards and two supplies from one battery. You'd still have 40+ hours of standby time from your 80Ah lead battery, or a good 6 hours on a 10Ah lithium pack.
And the current input normally doesn't rise until the output needs to develop more than that quiescent figure allows. So that first ~20 watts isn't necessarily wasted, if you see what I mean.
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Studio45 - Repairs & Building Commotion Soundsystem -Mobile PA
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