Are you creating your own pedalboard, but arenโt sure about how to power your pedalboard? If so, then youโre not alone. This is something many guitarists go through, especially beginners.
Powering pedalboards the correct way is as important as any other step involved with creating the pedalboard. To power the pedalboard, youโll need to know the different power outlet options and choose one that best suits your pedalboard.ย
In this article, youโll get to know all about how to power pedalboard, the basics of voltage, current, and polarity, the types of power sources, how to choose the right power outlet, and more. Continue reading to get all the answers youโre looking for.
Get started with how to power pedalboard
As a guitarist, youโd probably spend a lot of time and effort amassing the right pedals and the right combination. The final hurdle would be to make them work together. Powering them will be an important deal. If youโve only got one or two pedals, itโll be easy to use batteries or individual power supplies. Some pedals even come with power supply outlets included. If youโve got more than that, you will likely want a more cohesive system. Itโs even more imperative if there are a lot of pedals and the pedalboard needs to be mobile.ย
A pedalboard power supply is essentially a single source supply for powering all the pedals. These power supplies will come in different configurations for accommodating your needs. If youโre looking to get started with guitar pedals, youโll want to know how to power pedalboard. There are different types of guitar pedals and not all of them are the same when powering them. Continue reading to know more about how to power the different pedals on your pedalboard.
Basics of powering your pedalboard โ Voltage, current, and polarity
Before looking at the different types of power supplies, itโs important to look at the basics of powering the pedalboard. Voltage, current, and polarity are important concepts for powering the pedalboard. To know how to power pedalboard, youโll need to get these things right. Youโll need to go through each one of them, as itโll tell you how to power your guitar pedals.
Voltage
Voltage is used for measuring the potential energy in a circuit. If youโre a guitarist, youโll want to know that you should match the voltage (V) of the pedal to the power supply youโre using. Most guitar pedals need 9V power (even most multi-effects pedalboards). If you have a guitar pedal that has 9V mentioned on it, ensure that youโre using a 9V power supply.
You should remember that while many guitar pedals use 9V, there are some out there that need a higher voltage. If youโve got a pedal that runs on 12V, 18V, or 24V, ensure that the power supply youโre using matches the voltage. Some guitar pedals are versatile and accept a wide range of voltages. For instance, the Fulltone OCD will allow you to connect any voltage from 9V to 18V.
A key point to remember is that the voltage the pedals accept should match the voltage the power supply delivers. This is significant as the wrong voltage to the guitar pedal can potentially damage the pedals.
Current
You can think of current as the flow of electricity in the circuit. A high current will mean a lot of electricity is flowing in the circuit. A circuit is usually measured in Amps (A). Most guitar pedals can only draw a limited amount of current. For instance, you may see the label โ100mAโ on the back of the guitar pedal. This means that the pedal is drawing 100 milliamps of power, with a milliamp being one-thousandth of an amp.
When matching the power supply to the guitar pedal, the current requirements will be different from the voltage requirements. With voltage, youโll have to match the voltage (i.e. 9V power with a 9V pedal). With current, you should ensure that the power supply has enough current. If the guitar pedal is drawing 200mA of power, youโll have to use a power supply that is providing at least 200mA of power.

If the power supply happens to be lower than the pedalโs requirements (i.e. 100mA power supply with a 200mA pedal), it wonโt be enough. You may even burn out the power supply if you try connecting it to the power. If the power supply is matching the current requirements (i.e. 200mA power supply on 200mA pedals), then youโll be able to use it as long as youโre not trying to daisy chain more pedals.
In case the power supply has a higher current rating compared to the pedal (i.e. 500mA power supply with 200mA pedals), itโll be perfectly fine to use. You can also use the power supply to daisy chain more pedals. The current value of the power supply will be the maximum current that the power supply can potentially provide. You wonโt have any problem connecting 100mA pedals to a 1000mA power supply. This is the case as the pedal will only be drawing 100mA of power.
An important point worth remembering is that the power supply youโre using must offer at least the same current as what the guitar pedal needs. Itโll be fine if the power supplyโs current rating is considerably higher than the pedalโs current requirements. It wonโt be an issue as the pedal only draws as much as it needs.
Polarity
Polarity is essentially the technical term to denote positive and negative. When youโre connecting a power supply to the pedals, you should ensure that the positive and negative connections properly match. Youโll be able to see the polarity of the power jack on pedals with the symbols mentioned next to it. The symbols will show whether the top of the jack is positive (+) or negative (-). This will as important detail as plugging the wrong power source into the guitar pedals could fry them. The power jack will provide power using the pin and sleeve.
Most pedals tend to have a negative center pin so that youโre able to see the pedalโs negative polarity symbol. All youโll need is to ensure that the external power supply is also using a negative center pin, and youโll be good to go.
If youโre having a power adapter with you, you can check whether itโs using a negative or positive center pin. You can do it by looking for the same symbol on the power adapter. Youโll be able to see if your power adapter uses a negative or positive center pin. A negative center pin means that itโll be compatible with most pedals.
However, youโll still need to check the voltage and current before plugging the pedal in. For instance, say that the power supply delivers 9V to the pedal, and it has a maximum current of 300mA. With this information, youโll be able to figure out whether the power supply is compatible with your pedals or not.
Itโs important to remember that the polarity of the power supply needs to match the polarity of the pedals. Connecting a power supply to the wrong polarity can end up damaging the gear.
Different types of external power supplies
How will you know how to power your pedalboard if you donโt know the different power supply options? Here are the different types of power supplies that you can use with your pedalboard.
Basic DC Adaptor
The first one will be a Basic DC Adaptor. Many pedals come with this type of adaptor, which allows you to start using the pedals straight away. These adaptors will be great for simple pedalboards or even DIY pedalboards. If youโre using one or two pedals, this will be the perfect choice for powering them. If youโre using 3-5 pedals, youโll need to use a DC adaptor that can power all the pedals using daisy-chaining.
Daisy chaining is an easy way of connecting multiple pedals to one power source. These power supplies will be relatively cheap, compact, and simple to use, especially when you have a few pedals. If youโre working on a decent-sized pedalboard, you can use a few of them to power all the pedals. However, there is a far better option that youโll want to consider.
Dedicated Power Supply
The second type of power supply and the superior option is a Dedicated Power Supply. These large, brick-shaped power supplies are specifically designed for guitarists who are working on a large pedalboard. Theyโre perfect for people who require different pedal requirements for different pedals.
Instead of just daisy chaining all the pedals together using an adaptor, you can plug all the pedals directly into the dedicated power supply. The advantage of using a dedicated power supply will be the isolated connections. When youโre daisy-chaining pedals together, every pedalโs circuits will be connected to each other. This can easily be an issue.ย
It can cause issues as some pedal circuits tend to be โdirtierโ than others, such as vintage fuzz pedals. Connecting pedals with the same non-isolated power supply could also cause noise in the tone. You may hear a slight buzzing, humming, or random noises in the background of the tone.
However, this isnโt the case with isolated power supplies. The isolated power supplies will prevent this, as each connection will be completely separate from the other. Youโll be able to connect a vintage fuzz pedal to the isolated power supply without any problems with the signal.
Use external batteries with the guitar pedals
While power supplies do have many advantages, some guitarists simply donโt need them at all. You could prefer using batteries if youโre using a few pedals.
There will be a few advantages of using batteries for powering your guitar pedals. Each pedal will be completely isolated from the other, which means you wonโt get any signal issues or AC noise. Moreover, the batteries will give you the freedom to position the pedals in different ways without having a power cable run to the pedals. This can be helpful during live performances and band practice sessions.
However, the downside to using batteries is that theyโll eventually die, and youโll need to replace them. The last thing that youโd want during practice or live performance is for the battery to die. It can leave you in a sticky situation, scrambling for a replacement battery. Constantly replacing drained-out batteries can accumulate and cost a lot, especially if you play the guitar a lot. For certain guitar pedals, batteries might be the only option. If the pedal doesnโt come with a power jack, then itโll only run on batteries. Some guitar pedals can accept both external power and batteries.
Meanwhile, there might be some pedals that donโt accept batteries at all. Certain guitar pedals are so small that it becomes obvious that a battery will not fit inside them.
You should remember this if youโre looking to buy one of those compact pedals. Theyโll work well when theyโre a part of the pedalboard as theyโll take up limited space. However, they will require external power. Some guitar pedals will come with a battery compartment at the back of the pedal. This will make it easy to tell whether the pedal is accepting batteries or not. These pedals will be great as itโs quick and easy to change batteries. Other pedals will make things slightly harder by needing you to unscrew the backplate for accessing the battery compartment.
Many guitarists donโt actually realize that their pedals can be used with batteries. If you arenโt sure whether the pedal accepts a battery or not. You can explore online before opening up the guitar pedal. For instance, Boss stompboxes will house the battery under the footpad. When choosing the battery for the pedals, the choice will be between rechargeable batteries and 9V batteries. Itโs recommended that you should start with normal 9V batteries and see how long itโll take for them to drain.
If a single 9V battery is capable of lasting for months on end, then you should stick to normal batteries. If you notice that the battery drains quickly, youโll want to consider rechargeable batteries. The advantage of using rechargeable batteries is that youโll save money over time. Instead of buying and throwing batteries, you can have a couple of rechargeable batteries that you swap in and out. Some guitarists prefer using rechargeable batteries, whereas some guitarists absolutely hate using them. You can first try out normal batteries before spending time on rechargeable batteries.
Tips on how to power pedalboard with power supplies
Now that youโve gone through the types of power supplies, you should figure out which power supply option is best. Here are a few things to remember about how to power your pedalboard with the right power supply.

- Plan out the pedalboard โ Decide if youโll be sticking to your planned pedals or adding more guitar pedals over time? Ensure that the power supply is enough to cover you not just now but in the future as well. You donโt have to be forced to purchase more power supplies because youโve added a pedal to the rig.
- Check the power requirements of each pedal โ You should check if all the pedals are using the same voltage.
- Add the current draw on each pedal โ Itโll be an important detail to know if youโre thinking of daisy chaining the pedals. If you have four pedals and each one of them draws 100mA, youโll need to ensure the power supply is offering at least 400mA to work with daisy-chaining.
- Get an isolated power supply if mixing vintage and modern pedals โ Use an isolated power supply if youโre mixing vintage and modern pedals. Vintage pedals could cause interference and signal noise if they arenโt properly isolated.
- Avoid buying cheap power suppliesย โ With power supplies, you will get what you are paying for. While many cheap power supplies work just fine, some run the risk of bringing signal noise or potential fire hazards. Some pedals could cost hundreds, so you shouldnโt risk ruining them with unreliable power supplies.
- Simplicity is the best โ If you have a couple of guitar pedals, you can use an adapter and then daisy chain the pedals together. If youโve got a large pedalboard, you can purchase a dedicated power supply. Then, mount it properly on a pedalboard. If youโve got one pedal, you could stick to using a battery.
Conclusion
Thank you for reading. Hopefully, now you know a lot more about how to power a pedalboard, the basics of voltage, current, and polarity, the types of power sources, how to choose the right power outlet, and more. Choosing the right way to power the pedalboard will be the key element of how to power your pedalboard. Make sure that you know about all the power supply options and then choose the one that suits your needs the best.
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