This is an automatic translation by software: Hello, if I have a 12V source that has a center positive barrel and I need to power a Quad Cortex that has a center negative, can I use this converter? If not, would you recommend another product that can do this conversion?

Good morning, <span id="isPasted" style="color: rgb(66, 66, 66); font-family: "Segoe Sans", "Segoe UI", "Segoe UI Web (West European)", -apple-system, BlinkMacSystemFont, Roboto, "Helvetica Neue", sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(250, 250, 250); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;"> This cable is not suitable for powering devices that require center negative. We recommend a converter https://www.muziker.cz/nux-zeus-jr

RockBoard RBO-POWER-ACE-CONREV Power Cable

4,8/5

15 x rated

Brand: RockBoard

Product code: 258592 (RBO POWER ACE CONREV)

RockBoard RBO-POWER-ACE-CONREV Power Cable

4,8/5

15 x rated

Brand: RockBoard

Product code: 258592 (RBO POWER ACE CONREV)

£3.79

£3.89

In stock > 10 pcs.

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RockBoard RBO-POWER-ACE-CONREV Power Cable

£3.79

£3.89

Power supply adapter cable for effect pedals. 2.1 mm x 5.5 mm female barrel connector (-) center to 2.1 mm x 5.5 mm male barrel connector (+) center. Inverts polarity from (-) center to (+) center.

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RockBoard RBO-POWER-ACE-CONREV Power Cable

Power supply adapter cable for effect pedals. 2.1 mm x 5.5 mm female barrel connector (-) center to 2.1 mm x 5.5 mm male barrel connector (+) center. Inverts polarity from (-) center to (+) center.