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12 V and mains Inverters...

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BrightonJake View Drop Down
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Joined: 15 May 2011
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Post Options Post Options   Thanks (0) Thanks(0)   Quote BrightonJake Quote  Post ReplyReply Direct Link To This Post Posted: 08 July 2011 at 7:55am
Originally posted by amlu amlu wrote:

do not know about numark, but 2x pioneer cdj200 and djm300 suck around 40 watts.
its worth investing in a energy usage monitor...
one of those for example -
http://cgi.ebay.co.uk/PLUG-ENERGY-MONITOR-SAVING-ELECTRICITY-USAGE-METER-/140571456280?pt=UK_Gadgets&hash=item20bab63318

little gadget for 10 quid shows voltage and connected load.

I like... good idea. WIll buy one for sure.

Originally posted by amlu amlu wrote:


i`m using a 300w victron pure sine wave inverter... got bit of noise problems, but managed to get around by powering inverter from separate battery, using a 50cm ground spike, grounded to aluminium suitcase with amps in.

tried using ground loop isolator but no luck.


Yes - I have taken to running an inverter off a third battery where possible (weight issues aside) and didn't need an earth spike for that setup. I am still investigating the causes of the hum heard when inverters are used. It is almost certainly earthing related, but I would expect that it is mainly down to eaither an earth loop or most likely the fact that I have pitifully smal cables running power to my amps. The current is very high in 12 V systems, so the coper to the power (at least) needs to be rather on the chunky side to avoid voltage drops... will report back if I can back anything up with experimental results.
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fatty jee View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote fatty jee Quote  Post ReplyReply Direct Link To This Post Posted: 11 July 2011 at 9:06pm
Cheers Amlu, useful info, will look at energy monitor and powering inverter from separate battery

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