# Quick Answer: Can I use a transformer with higher amps?

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## Is it OK to use a power supply with higher amps?

4 Answers. The amperage rating on your power supply simply means that the supply can put out up to 2 amps, so as long as the voltage matches (12 volts) you could safely use a higher amp power supply for your device.

## What happens if amperage is too high?

As long as the correct voltage is used, a device will draw only the amperage it needs, meaning there will not be “too many amps”. If an incorrect voltage is used — say a higher voltage than the device is rated to accept — then yes, too many amps may be drawn and the device can be damaged.

## Do transformers affect amperage?

So when a transformer increases voltage, it decreases current. Likewise, if it decreases voltage, it increases current.

## Can I use a larger transformer?

You can always use a transformer with a larger VA rating than the load requires. This means that the required operating voltage is 120 Volts, with a current of 2.4 Amps. Thus, the load is found to be 288 VA, so a 300 VA transformer (SD-43) should be used.

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## Can I use 500ma instead of 100mA?

For example, putting a 500mA pedal on a 100mA power tap would cause it to act erratically and probably shut down — it might even damage the pedal. Conversely, sending more milliamps than needed to a pedal is fine. Putting a pedal that draws 20mA on that same 100mA tap is no problem.

## Can I use 500ma instead of 300ma?

As long as the voltage output is correct for your unit it is okay.

## Does higher amps mean more power?

What are Amps? The strength of a current – how fast it flows – is measured in amperes or amps. Thinking back to the battery as a water pipe, the current would be the flow rate of the water. Higher amps mean that electricity is flowing more quickly and delivering more power to your device.

## Is it better to have higher volts or higher amps?

A higher voltage system is more efficient than a lower voltage since it experiences less energy loss from resistance given the same amount of power draw. … You get the same exact voltage—but with 80 amps of current. That’s 80% more energy!

## Can I use a 12V power supply on a 9V?

You can’t use a 12V adapter to power a 9V guitar pedal. A pedal that only handles 9V can be destroyed by using a 12V adapter. It’s possible for a power supply to ruin your pedal even if you get the voltage right.

## What limits current in a transformer?

What is transformer impedance? Impedance is the current limiting characteristic of a transformer and is expressed in percentage. It is used for determining the interrupting capacity of a circuit breaker or fuse employed to protect the primary of a transformer.