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Audio Sprockets ToneDexter II Acoustic Instrument Preamp Pedal

Acoustic Stringed Instrument Preamplifier with 32 WaveMap Slots, Stereo-capable FX Loop, Boost, and Tuner
$599.00

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Audio Sprockets ToneDexter II Acoustic Instrument Preamp Pedal
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This article was Written By

Our Product Research Team

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Bring Your Plugged-in Tone to Life

Sweetwater knows that getting the natural tone of an acoustic instrument to translate in a live environment can be a challenge. That’s where Audio Sprockets’ ToneDexter II comes in. This clever acoustic instrument preamp pedal uses proprietary WaveMap technology to take your plugged-in piezo sound to the next level of realism. Essentially, WaveMaps take the character of your favorite studio microphones and blend them into the signal from your piezo pickup, giving you an exceptionally vivid sound on any stage. Now in its second iteration, ToneDexter II comes with an updated display screen, 32 preset slots for WaveMaps, USB preset management, a stereo-capable effects loop, and an updated EQ section. It all adds up to the ToneDexter II equating to an indispensable tool for gigging — add one to your rig today and experience the difference for yourself.

What’s new in version two?

With production of the original ToneDexter halted in 2020 due to the COVID-19 pandemic, the innovative minds at Audio Sprockets sought to greatly enhance the design. What resulted was no mere minor update. In fact, ToneDexter II boasts many new features and improvements. First and foremost, it now includes a new color screen with context-sensitive controls and labels. Next, 10 more preset slots were added, bringing the total up to 32 preset slots that store and recall all parameters. You can also manage your presets via USB! The stereo-capable effects loop now comes with dedicated input and output jacks for further convenience. The final major update is the EQ, complete with a parametric mid boost/cut and a selection of highpass filters.

Make your signal come alive with WaveMaps

Piezo pickups get pretty close to the real thing. And with ToneDexter II’s WaveMaps, your signal can sound more natural than ever before. So, how do WaveMaps work? Simply connect your stringed instrument’s piezo output to the ToneDexter II’s 1/4-inch input. Then, plug your favorite studio microphone into the XLR input, mic up your instrument, and start playing. ToneDexter II automatically modulates the direct signal to best match the microphone signal. Once you’re satisfied your direct-in tone sounds perfectly natural, save your new custom WaveMap into one of the 32 user preset slots for later recall.

Audio Sprockets ToneDexter II Acoustic Instrument Preamp Pedal Features:

  • Full-color display enables context-sensitive controls and labels
  • 32 preset slots store and recall every parameter, including input and output levels
  • Stereo-capable effects loop effortlessly incorporates your favorite stompboxes
  • Overhauled EQ capabilities give you more control over your sound
  • Boost switch adds up to 8dB to the signal for solos
  • Mute switch activates an ultra-accurate tuner
  • Character control makes your WaveMaps even punchier
  • 1/4-inch and XLR DI output suit any gigging requirement
  • Compatible with most active and passive piezo pickups
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Tech Specs

  • Type: Acoustic Preamp Pedal (active & piezo instruments)
  • Analog/Digital: Digital
  • EQ: 3-band
  • Feedback Control: Notch Filter
  • Presets: 32, User-Assignable
  • Inputs: 1 x 1/4" TS (instrument), 1 x 1/4" TRS (stereo/aux in), 1 x XLR (mic)
  • Outputs: 1 x 1/4" TRS (out), 1 x 1/4" TRS (phones/aux out), 1 x XLR (DI out)
  • Other I/O: 2 x 1/4" TRS (effects loop), 1 x 1/4" TRS (control In, midi), 1 x USB-C (firmware, presets)
  • Features: Built-in Tuner, Boost, 48V Phantom Power
  • Power Source: 9-15V DC Power Supply
  • Height: 2.3"
  • Width: 6.3"
  • Depth: 5.9"
  • Weight: 2 lbs.
  • Manufacturer Part Number: ToneDexterII

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Customer Reviews

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Rated 5/5

exceeded my expectations

I have watched many reviews of IR pedals for acoustic guitars and had been waiting for this one to ship. I imaged my Martin 000-15m using an AT3035 LDC microphone. I also imaged an Eastman MD315 Mandolin with an LR baggs radius mic. The sound is more natural than anything I have heard through a PA. People's initial reaction: 'it sounds just like the guitar'. The important piece is to fine tune the image with the onboard EQ/FB suppress/Spatial settings to get it just right.

I tried to image with two dynamic mics (shure and OM) and couldn't get it to start learning easily. Your mileage may vary if not using a condenser mic to train.

Worth the money if you have struggled finding good acoustic tone through a pick up.
Rated 5/5

The Holy Grail

ToneDexter II is by far the best sounding preamp I've ever used bar none, and I've tried a lot of them: it's better than my Baggs Para Acoustic, Venue, and Voiceprint DI, better than my Fishman Aura, and far superior to the legacy ToneDexter (and I thought that one was to die for).

This is the Holy Grail of acoustic instrument preamps.

Audio Sprockets has packed a slew of features into this new iteration; be prepared to spend time getting familiar with it. The manual is adequate but minimal, so take the time to learn what all the parameters and controls do, and that's made easy by the display screen.

Well done, Audio Sprockets.
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