ZUMA R300 High Current DC Power Supply User Manual Important Safety Information Before using Zuma R300, please be sure to read all operating instructions carefully. • Read, follow, and keep these instructions. • Heed all warnings. • Do not expose this unit to liquids or moisture.
Page 3
ZUMA R300 High Current DC Power Supply User Manual Important Safety Information (cont.) The lightning flash, with an The exclamation point within arrowhead symbol, within an equilateral triangle is an equilateral triangle, is intended to alert the user to intended to alert the user to...
Page 4
Zuma R300 is a flexible, low-profile, high output power supply that provides ultra-clean, isolated power for up to five effect pedals. It can be used on its own, or as the first supply in a larger Strymon power system with additional outputs.
High Current DC Power Supply User Manual Getting Started IEC CABLE • Connect the included IEC cable to Zuma R300 and plug the other end into an AC power outlet. Zuma R300 operates worldwide with the appropriate IEC cable. 24V DC OUT •...
Page 6
A total of five high or low-current pedals can be connected to Zuma R300 with the included 5.5mm x 2.1mm pedal cables. Additional outputs can be added by connecting a Strymon Ojai (sold separately) to the 24V OUT jack. Each output is dual-isolated for noise-free operation.
Page 7
ZUMA R300 High Current DC Power Supply User Manual Connect Your Pedals (cont.) 9V OUTPUTS • Four outputs provide 9V DC, center negative polarity, each with 500mA of available current. Use these outputs first to power your Strymon pedals. ADJUSTABLE OUTPUT •...
Page 8
Zuma R300 is Expandable Is your pedalboard growing? Gain more outputs by linking as many as 5 Ojai units to your Zuma R300, powering up to 30 effects pedals. While it’s unlikely that anyone would go to such extremes, we wanted to ensure Zuma delivers maximum flexibility and expandability.
Zuma R300. This illustration shows mounting to the top of your pedalboard. To mount Zuma R300 to the bottom of your pedalboard, turn the pedalboard over before placing the Drill Template logo side up in the location you want to install your Zuma R300.
Page 10
• Five (5) pedal cables included (5.5mm x 2.1mm barrel connectors, straight to right angle, 18” length) • Detachable IEC power cable included • 24V Out jack allows connection to additional Strymon Ojai expansion units (sold separately) TECHNOLOGY • Five (5) individual custom transformers (one per channel) deliver clean, consistent power •...
• One (1) IEC cable (region-specific) • Five (5) 2.1mm x 5.5mm pedal cables (18” long, straight to right angle connectors) • Two (2) #4 (3/8”) wide pan head screws for mounting Zuma R300 to your pedalboard • Quick Start Guide •...
In no event will Strymon be liable for more than the amount of the purchase price, not to exceed the current retail price of the product.
Page 13
ZUMA R300 High Current DC Power Supply User Manual How to Obtain Service Under this Warranty For North American customers: Contact Strymon through our strymon.net/support website at for Return Authorization and information. Proof of original ownership may be required in the form of a purchase receipt.
Need help?
Do you have a question about the ZUMA R300 and is the answer not in the manual?
Questions and answers