The JOYO R-21 Tornado is a dual-channel overdrive pedal: two voices in one box, a BOOST Channel and a DRIVE Channel, built as a signature pedal for JOYO's artist José de Castro, the professional Spanish guitarist RockBoard's PedalPedia describes as a Grammy Awards winner1. RockBoard's PedalPedia lists its effect type as overdrive, booster and equalizer, so it can sit on a board as a drive, a clean-ish lift, or a tone-shaping stage1.
The two channels
The pedal's whole idea is the pairing of a boost and a drive. As RockBoard's PedalPedia describes it, "In BOOST Channel, the overtone is quite spacious, beautifying the treble and bass nicely," while the DRIVE Channel is described as "clean, smooth and rich, covering wide frequency bands"1. In practice that gives a player two ways to use the pedal: the boost channel on its own to lift an amp or another drive pedal, and the drive channel as the main overdrive voice, with the boost available to push it. For more on how drives like this sit in a rig, see the site's Overdrive Pedals and Boost Pedals pages.
| Channel | What JOYO says it does |
|---|---|
| BOOST Channel | "the overtone is quite spacious, beautifying the treble and bass nicely"1 |
| DRIVE Channel | "clean, smooth and rich, covering wide frequency bands"1 |
Because RockBoard's PedalPedia lists the effect type as overdrive, booster and equalizer, the pedal covers three jobs on a board1:
- an overdrive voice, via the DRIVE Channel
- a boost, via the BOOST Channel, to push an amp or another drive
- a tone-shaping stage, via the equalizer function
Power and practicalities
The Tornado runs on 9V DC, center negative, and draws 100mA1. That is standard pedalboard polarity, so any regulated 9V output handles it, but at 100mA it is worth giving it its own output on a shared supply rather than splitting with a low-current neighbor.
On JOYO's own product page the pedal shows a stock level of 0, and the listed retail price field reads 0.0 元 CNY, so availability and pricing are not settled there2.
Where it fits in JOYO's range
The R-21 sits in JOYO's R-series of overdrives, alongside the dual-channel JOYO R-20 King of Kings and the eight-circuit Joyo Baatsin, as well as single-voice pedals like the Joyo R-01 Tauren and Joyo R-02 TaiChi. What sets the Tornado apart within that range is its signature-pedal origin: it was developed with José de Castro around his own preferences for boost and drive voicing1.
Manual
JOYO hosts the R-21 Manual as a PDF on the pedal's official product page, where it was made available on 31 March 20232. It is the maker's own document for the pedal's controls and operation.
Videos
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Questions
Is the JOYO R-21 Tornado analog or digital?
The R-21 Tornado is an analog pedal. RockBoard's PedalPedia entry for the pedal lists its circuit type as analog, so it processes your guitar signal with analog circuitry rather than digital conversion. That matters for players who build all-analog signal chains or who want the pedal to sit alongside other analog drives on a board without any digital stage in the path.
What power supply does the R-21 Tornado need?
The R-21 Tornado runs on 9V DC with a center-negative plug, the standard polarity used by most pedalboard power supplies, and it draws 100mA. A standard 9V center-negative output covers that draw, but it is worth checking the budget of your power supply's individual outputs if you daisy-chain or share outputs with other pedals.
Who is the JOYO R-21 Tornado signature pedal for?
The Tornado is a signature pedal developed with José de Castro, a professional Spanish guitarist and JOYO artist described by the maker as a Grammy Awards winner. It is built around his preferences: a boost channel with spacious overtones that beautifies treble and bass, and a drive channel described as clean, smooth and rich across wide frequency bands.
Can the R-21 Tornado be used as a boost pedal?
Yes. JOYO lists the pedal's effect type as overdrive, booster and equalizer, and it has a dedicated BOOST Channel alongside its DRIVE Channel. The boost channel is described as adding spacious overtones that beautify the treble and bass, so it can be used on its own to push an amp or another drive, or stacked into the drive channel.
Where can I find the R-21 Tornado manual?
JOYO hosts the R-21 Manual as a PDF on the pedal's official product page at joyoaudio.com, where it was made available on 31 March 2023. The manual covers the pedal's controls and operation, and it is the first place to look for the maker's own specifications and setup guidance.
Sources (2)
- R-21 Tornado by JOYO, RockBoard (rockboard.de PedalPedia), 2026
- R-21 TORNADO_JOYO, JOYO, 2023-03-31
