#1
this is getting really annoying, i can't find one under $20 from MF. i need to power a voodoo labs proctavia and don't want to spend $20 for a fulltone one.

if i don't find one, i am just going to get one of these :

http://www.musiciansfriend.com/accessories/dunlop-ecb-003-ac-adapter?rNtt=dunlop%20power%20supply&index=2

and chop the end off and reverse the wires.

i want to get this rig together soon.
WTLT 2014 GG&A

Quote by andersondb7
alright "king of the guitar forum"


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Quote by andersondb7
youre just being a jerk man.



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#2
It's not positive centre, it's positive ground. What power supply you running?

EDIT: if you have an isolated supply like the voodoo labs then you're fine, if not, see if you can find something like this:

http://www.diago.co.uk/adaptors/positive-ground.html
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Last edited by GABarrie at Sep 2, 2015,
#3
Quote by GABarrie
It's not positive centre, it's positive ground. What power supply you running?

EDIT: if you have an isolated supply like the voodoo labs then you're fine, if not, see if you can find something like this:

http://www.diago.co.uk/adaptors/positive-ground.html


i am confused. i am tired so i may be confused.

the pedal is the opposite of the standard boss/etc pedal is. what do i need? isn't it just reversed polarity?

______

edit: i am not using an isobrick with this board, just a 1spot (and this) so i would need a separate adapter for this to work together.
WTLT 2014 GG&A

Quote by andersondb7
alright "king of the guitar forum"


Quote by trashedlostfdup
nope i am "GOD of the guitar forum" i think that fits me better.


Quote by andersondb7
youre just being a jerk man.



****** NEW NEW NEW!
2017-07-07 2017-07-07 Update and a Chat On Noise Constraints *** NEW FRIDAY 7/7
2017-04-13 RUN AWAY from COMPUTERS!!! TCE? RANT ALERT!!!
2017-03-02 - Guitar Philosophy 1001- Be Prepared For the Situation (Thursday 2017-03-02)
2017-02-21 How to Hot-Rod the Hell of your Stratocaster for $50! (Tuesday 2017-2-21)
Resentments and Rambling from a Guitar Junkie
---> http://trashedengineering.blogspot.com/
#4
The proctavia is just like any other 9v center negative pedals, it just needs it's own power source isolated from others, that's all.


Giving it it's own wall wart is more than enough. No need to reverse/cut the wires.
#5
Quote by sfx
The proctavia is just like any other 9v center negative pedals, it just needs it's own power source isolated from others, that's all.


Giving it it's own wall wart is more than enough. No need to reverse/cut the wires.


I am honestly confused, could you explain? I would like to learn. How does it need a separate power supply if it is the different polarity? Wouldn't the adapter matter most?
WTLT 2014 GG&A

Quote by andersondb7
alright "king of the guitar forum"


Quote by trashedlostfdup
nope i am "GOD of the guitar forum" i think that fits me better.


Quote by andersondb7
youre just being a jerk man.



****** NEW NEW NEW!
2017-07-07 2017-07-07 Update and a Chat On Noise Constraints *** NEW FRIDAY 7/7
2017-04-13 RUN AWAY from COMPUTERS!!! TCE? RANT ALERT!!!
2017-03-02 - Guitar Philosophy 1001- Be Prepared For the Situation (Thursday 2017-03-02)
2017-02-21 How to Hot-Rod the Hell of your Stratocaster for $50! (Tuesday 2017-2-21)
Resentments and Rambling from a Guitar Junkie
---> http://trashedengineering.blogspot.com/
#6
No.

The adapter has +9V on the outside and 0V on the centre pin, the centre is negative in relation to the outside, if you measured the other way round it would read 0V and -9V. That's the same for almost all.

However in the proctavia the +9V is connected to the ground. Positive ground.

All your other pedals and the 0V connected to ground. If you plug the pedals together from the same supply (i.e. Not isolated) you connect the +9V and the 0V together via the ground connections on the pedals and short circuit the supply.

My question remains, what supply are you using?
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#7
Quote by GABarrie
No.

The adapter has +9V on the outside and 0V on the centre pin, the centre is negative in relation to the outside, if you measured the other way round it would read 0V and -9V. That's the same for almost all.

However in the proctavia the +9V is connected to the ground. Positive ground.

All your other pedals and the 0V connected to ground. If you plug the pedals together from the same supply (i.e. Not isolated) you connect the +9V and the 0V together via the ground connections on the pedals and short circuit the supply.

My question remains, what supply are you using?


this is the exact power supply i am using:

http://www.musiciansfriend.com/accessories/dunlop-ecb-003-ac-adapter

i am using a 1spot for the other pedals.

+ is on the outside

the proctavia says it is 'positive ground'

http://www.voodoolab.com/manuals/proctavia_manual.pdf

so...

as long as that pedal is connected to a isolated power supply (in this case the dunlop adapter) that is separate i am fine? OR do i need to butcher the adapter (the same dunlop one) and it will work?
WTLT 2014 GG&A

Quote by andersondb7
alright "king of the guitar forum"


Quote by trashedlostfdup
nope i am "GOD of the guitar forum" i think that fits me better.


Quote by andersondb7
youre just being a jerk man.



****** NEW NEW NEW!
2017-07-07 2017-07-07 Update and a Chat On Noise Constraints *** NEW FRIDAY 7/7
2017-04-13 RUN AWAY from COMPUTERS!!! TCE? RANT ALERT!!!
2017-03-02 - Guitar Philosophy 1001- Be Prepared For the Situation (Thursday 2017-03-02)
2017-02-21 How to Hot-Rod the Hell of your Stratocaster for $50! (Tuesday 2017-2-21)
Resentments and Rambling from a Guitar Junkie
---> http://trashedengineering.blogspot.com/
#8
Quote by trashedlostfdup
I am honestly confused, could you explain? I would like to learn. How does it need a separate power supply if it is the different polarity? Wouldn't the adapter matter most?
I read the FAQ and it's not really clear that it needs a separate supply from other Boss style negative center supplies. The FAQ is confusing but it says that it will shut down if used with other pedals that are negative ground (positive center). So even though the FAQ says it needs an isolated ground, it appears that it doesn't as long as all the pedals are negative center (positive ground).

the Proctavia pedal is a positive ground. It can run on a battery, on its own power supply (like the Boss PSA-120), or with the Pedal Power units (because the outputs are isolated). However, it will shut down the whole power supply if it is fed into an output that is not isolated. Most other multi-output power supplies (Dunlop DC Brick, Godlyke, daisy chained Boss) have a common ground which means that the outputs aren’t individually regulated. If you have other negative ground pedals being powered with one of these multi-output power supplies, the Proctavia pedal will not work.
#9
Basically it means.


1. These pedals are negative center polarity like others, but grounded positively.
2. They use the same power supplies.
3. But cannot be daisy chained, unless..


4. Positive grounded pedals are daisy chained with other positive grounded pedals
5. While the rest non-positive grounded pedals are daisy chained with each other.


Conclusion, buy 2 x 1spot adapter, one set for the normal boss like pedals.

The other for the positive grounded pedals.


But they're both the same polarity, which is center negative.

Just don't daisy chain them unless they're the same 'types'.
#10
Thanks sfx, just what I needed to know.
WTLT 2014 GG&A

Quote by andersondb7
alright "king of the guitar forum"


Quote by trashedlostfdup
nope i am "GOD of the guitar forum" i think that fits me better.


Quote by andersondb7
youre just being a jerk man.



****** NEW NEW NEW!
2017-07-07 2017-07-07 Update and a Chat On Noise Constraints *** NEW FRIDAY 7/7
2017-04-13 RUN AWAY from COMPUTERS!!! TCE? RANT ALERT!!!
2017-03-02 - Guitar Philosophy 1001- Be Prepared For the Situation (Thursday 2017-03-02)
2017-02-21 How to Hot-Rod the Hell of your Stratocaster for $50! (Tuesday 2017-2-21)
Resentments and Rambling from a Guitar Junkie
---> http://trashedengineering.blogspot.com/