John Cellario Posted June 30, 2015 Share Posted June 30, 2015 (edited) To drive my MXR Bass Chorus & Octivider I have been using Duracell 9v batteries which don't seem to last long. So, I have just purchased a Pedaltrain Volto re-chargeable power supply. One person has told me to remove the Duracell battery as it is not needed to make a circuit, in fact, best to remove them to prevent corrosion. Another person maintains you need to leave the battery in, properly charged in order to make a circuit. Who is correct...will the effects work without the Duracell battery? (Am still charging the Volto for the first time so cannot experiment myself.) Thanks in advance. Edited June 30, 2015 by John Cellario Quote Link to comment Share on other sites More sharing options...
elephantgrey Posted June 30, 2015 Share Posted June 30, 2015 (edited) leave the 9v out, especially if its not rechargeable. Plugging in a power supply in to a pedal with a non-rechargeable battery in it can cause the battery to leak and damage the pedal. I have quite a few pedals on my board that take batteries, all plugged into my power supply without batteries in them. Another thing to note is that when you have a jack plugged into a pedal with a battery, the battery will keep the pedal on. This means the battery will drain unless you unplug your patch leads when not in use. I would also unplug the volto when your board is not in use. Edit: ive never used a MXR pedal, but i see no reason that they would be any different to any other pedal ive used. You could also contact their customer service, but im sure they'd mirror what ive said. Edited June 30, 2015 by elephantgrey Quote Link to comment Share on other sites More sharing options...
Kev Posted June 30, 2015 Share Posted June 30, 2015 (edited) Leave them out. The only advantage I can think of is if you have a power failure on the pedalboard during a gig. This would seem unlikely (as power cuts would turn the amp etc off too, so it would be a power supply failure or similar) and also would only work if all the pedals have battery connectors or otherwise all were true bypass, and the 9v plugs were disconnected. Edited June 30, 2015 by Kev Quote Link to comment Share on other sites More sharing options...
Kev Posted June 30, 2015 Share Posted June 30, 2015 [quote name='elephantgrey' timestamp='1435693460' post='2811597'] Another thing to note is that when you have a jack plugged into a pedal with a battery, the battery will keep the pedal on. This means the battery will drain unless you unplug your patch leads when not in use. I would also unplug the volto when your board is not in use. [/quote] This would only happen if you also unplugged the 9V. Having a lead plugged into the 9V disconnects the battery in most pedals, regardless of whether the power us on or not, so you don't need to unplug the patches. Quote Link to comment Share on other sites More sharing options...
elephantgrey Posted June 30, 2015 Share Posted June 30, 2015 [quote name='Kev' timestamp='1435695649' post='2811629'] This would only happen if you also unplugged the 9V. Having a lead plugged into the 9V disconnects the battery in most pedals, regardless of whether the power us on or not, so you don't need to unplug the patches. [/quote] I did not know that. Quote Link to comment Share on other sites More sharing options...
uncle psychosis Posted July 1, 2015 Share Posted July 1, 2015 Take them out if you're not using battery power. Battery leakage is not a particularly rare occurance and can damage the device. Quote Link to comment Share on other sites More sharing options...
Skybone Posted July 1, 2015 Share Posted July 1, 2015 Most pedals, once you plug in a power supply, essentially remove the battery from the circuit. So it matters not one jot whether you leave them in or take them out, if you have a PSU plugged in. Of course, there is the argument FOR leaving the batteries in, if your PSU goes down mid-gig, all you have to do is unplug the power lead, the battery takes over. Though saying that, if your PSU goes down mid-gig, there's probably been a power cut, so no one would be able to hear you anyway. Quote Link to comment Share on other sites More sharing options...
John Cellario Posted July 1, 2015 Author Share Posted July 1, 2015 Thanks everyone...batteries out then. Just another question....when the Volto is plugged into the pedals, but they are not being used or turned on, does this drain the Volto? Quote Link to comment Share on other sites More sharing options...
tonyquipment Posted July 2, 2015 Share Posted July 2, 2015 Always out If I'm not going to use /rely on them, there's no need for that extra weight being carried around Quote Link to comment Share on other sites More sharing options...
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