Keeley Bubble Tron

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Keeley Bubble Tron

Keeley

Bubble Tron

4.9 Expert Rating

Product Info

Article Number: 393555
Brand: Keeley
Model: Bubble Tron
Price: $251.90

* Prices may vary. Check retailer for current pricing and availability.

The Bubble Tron is a characterful modulation pedal, offering a fresh twist on familiar sounds. Its dynamic nature and unique 'inFILTERin' mode make it a standout for players seeking something beyond standard chorus or phaser. This is perfect for experimental guitarists or those wanting to add a subtle, evolving texture to their tone, especially in ambient or post-rock contexts.

Product Description

  • Keeley Bubble Tron
  • Effect Pedal for Electric Guitar
  • Dynamic Flange and Phaser / Random Filter / Sample & Hold
  • 3 Modes: Filter
  • Flange and Phaser
  • Controllers for Rate (feedback in Flange mode)
  • Depth (LFO shape in Filter mode)
  • Level and Sens (resonance in Filter mode)
  • Toggle switch to select "FILTER"
  • "PHASE" & "FLANGE" mode
  • True bypass
  • Metal housing
  • Status LED
  • Bypass footswitch
  • 6.3 mm mono jack input/ output
  • Power supply via 9 V DC power supply unit (not included
  • suitable PSU e.g. article nr #409939#)
  • Current consumption: 65 mA
  • Dimensions (L x W x H): 112 x 68 x 51 mm
  • Weight: 277 g

*Note:* Battery operation not possible.

PROS
  • • Keeley’s signature dynamic modulation offers unique textures.
  • • Metal housing feels robust, hinting at long-term durability.
  • • The 'inFILTERin' mode provides surprisingly useful random filtering.
  • • Sens control adds depth and complexity beyond typical phaser/flange.
CONS
  • • Limited to three modes; lacks broader modulation options.
  • • 65mA current draw isn't ideal for battery-powered setups.
  • • The 'inFLANGEin' mode can get a bit muddy with high resonance.

Product Video

Key Features

Effect Type Dynamic Flange, Phaser, Random Filter / Sample & Hold
Controls Rate, Depth, Level, Sens
Bypass Type True Bypass
Stereo Mono
Power Supply 9V DC, 65mA (PSU not included)
Dimensions 112 x 68 x 51 mm

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Frequently Asked Questions

It’s more nuanced; it affects the feedback loop's intensity and introduces a subtle, almost granular, texture, rather than a simple peak boost.
It’s pseudo-random, based on a sample and hold circuit, creating an evolving, unpredictable filter sweep that's more organic than a traditional LFO.
The Bubble Tron’s dynamic response and the 'inFILTERin' mode offer a more complex and evolving soundscape than those more static classics.

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