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12V RIG - Help, knowledge & Advice appreciated

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bitSmasher View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote bitSmasher Quote  Post ReplyReply Direct Link To This Post Posted: 21 June 2018 at 12:08pm
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 Ouch
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
https://www.instagram.com/batteryacidsoundsystem/
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studio45 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote studio45 Quote  Post ReplyReply Direct Link To This Post Posted: 21 June 2018 at 2:06pm
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.
Studio45 - Repairs & Building Commotion Soundsystem -Mobile PA
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