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 Post subject: voltage halving
PostPosted: Thu Jan 12, 2012 2:36 am 
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Joined: Thu Jan 12, 2012 2:32 am
Posts: 2
can i split an 18V tap into two 9V outputs

from what i can tell the output splitter makes 1 9VDC out into 2 9VDC outs (pedals are powered in series with a ground lift?)
are parralel (votlage halving) cables available or do i have to DIY them?


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 Post subject: Re: voltage halving
PostPosted: Thu Jan 12, 2012 5:09 pm 
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Joined: Tue May 05, 2009 2:33 pm
Posts: 3588
Location: The Lab
There is no cable available that will halve the voltage of an output.

What is the gear you are using here?

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 Post subject: Re: voltage halving
PostPosted: Fri Jan 13, 2012 6:52 pm 
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Joined: Thu Jan 12, 2012 2:32 am
Posts: 2
in the spirit of full disclosure, i have been doing my due dilligence on power supplies, and this question was to make my decision between the pedal power 2+ and the dunlop-CAE MC-430 power system.

these being the two clear leaders out of the entire spectrum of pedal power supplies after much research (seriously, spreadsheet and everything....i have a lot of time on the PC at work :) ), i had to decide which fit my needs best. i run a lot of pedals, so the abundance of outputs on the CAE system appealed to me immediately. however, to fit mxr/dunlop/CAE's product line, a disproportionate ammount of the outs are 18V. well, whats the point of having all those outs if i can only use half of them?

funny thing is, even before making my decision, i graphed out all of the special cables i would have to order for the PP2+ to work and the CAE, and they totalled out at exactly the same. go figure.

so today i made my decision, which was my first instinct to begin with. tonight, i am going to purchase a voodoo labs pedal power 2 plus. all of the supplies i looked at claimed to be the most versatile, blah blah. the pp2+ actually is. so, great work VL!!!

for posterity, my erquirements (not necessarily in correct signal path or proximity order):

big muff ~4.5mA/9VDC/battery connector
korg pitchblack~35mA/9VDC (has a 200mA 9VDC out, need 500mA in to run supposedly, but id prefer everything isolated as best as possible with the ground lift Y cables)
zvex fuzz factory~3mA/9VDC
BYOC screamer~6mA/9VDC
EHX soul preacher~34mA/9VDC
line 6 FM4[/b]~185mA/9VDC/reversed polarity
[b]EHX killswitch
~3mA/9VDC
Voodoo Labs tremolo<50mA/9VDC
Boss RC20 looper~85mA/9VDC
BYOC lazy sprocket (slow gear clone)~4/9VDC

deluxe memory man~41mA/24VDC/center positive
MXR 10-band EQ~10(?)mA/18VDC
MXR micro amp~7mA/9VDC

may not use 1 or 2, may add 1 or 2.


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