Joyo JF18R Power Tune Power Supply and Tuner Pedal

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About this Pedal Tuner and Power Supply Pedal

JOYO Audio delivers a compact and convenient way to combine the essential tools of the guitarists pedal board that do not necessarily make a sound, but enable it to all happen. A True Bypass guitar pedal tuner and guitar effect pedal power supply.

The JF-18 Power Tune combines both power supply and tuner into one amazing product, saving space and eliminating noise

The POWER section features a filtered low noise output with short circuit and over current protection. Six outputs give you the standard 100ma power for most of your standard analogue pedals on your board, whilst two additional outputs can deliver 500ma, which will cover even the most demanding digital effects units.

The TUNE section delivers via the large LED screen, which is easy to see in any lighting condition. Using a technologically impressive rapid chromatic tuning algorithm, ensuring fast and responsive note detection for any guitar or bass player. 

There is no need to worry about your guitar signal running though the power supply, we have made sure that there is no crosstalk noise or hum, the switching adapter does not get hot unlike many other guitar power supplies. We also include 8 DC power chords and 2 polarity reversing cables.

Of course you can use the Power Tune independently, the tuner section features True Bypass circuit to minimise signal loss

The Tech Features

Brand: Joyo

Model :- JF18R

Tuning Parameters

  • Input : 1/4 mono port
  • Output : 1/4 mono port
  • Tuning Range :12Hz-4186Hz
  • Working voltage: DC9v (centre negative).
  • Running current: DC120mA.
  • Power Parameters
  • Input voltage for adapter: AC100 -240v.
  • One DC9v input, 2A input (centre negative).
  • 9 x DC 9v outputs, 2 x 500mA, 6 x 100mA (centre negative).
  • Filtered short-circuit and over current protection.

Accessories included:

  • Includes power supply adaptor.
  • 8 x DC power chords.
  • 2 x polarity reversing cables.


Excellent Quality

By: on 3 October 2018
The Joyo JF18R Power Tune Power Supply and Tuner Pedal is excellent. Great quality at a great price. It is extremley well built and the cables that come with are a good length and also reliable. I use it everyday and it never fails. I will definitely be buying more pedals from Artist Guitars.

Power for Your Stuff

By: on 13 September 2018
Not only is this a handy and easy to read tuner but it provides plenty of power outlets (with cords) to negate the need for a separate power handler.

Massive problem solver

By: on 13 December 2017
Super happy with the power tune, cleans up the floor in front of me heaps, also the number and types of cables that are supplied with it gives heaps of options for whatever pedals you have. Couldn’t recommend this enough. Ohh and the tuner side of it works fab as well.

Cut down on board space

By: on 8 August 2017
Just arrived today and I'm very happy with it. The tuner works well but it also powers the rest of my board. If you want to save space give it a go. I don't think you'll be disappointed.

Great pedal

By: on 24 December 2015
This is a great pedal if you want to power your pedal board and run a tuner. Really easy to set up and use.

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