Vox CT-04BT Cooltron Over the Top Boost Pedal
Brand
VOX
Recreate the iconic, chime-filled grit of the classic Vox AC30 Top Boost channel with the Vox Cooltron Over the Top Boost pedal. Driven by a genuine 12AU7 vacuum tube operating on Vox’s patented Cooltron low-voltage technology, this pedal adds harmonic richness, glassy highs, and organic tube compression to any guitar rig. Whether you need a subtle clean lift or a searing mid-range boost, it gives your amp the unmistakable voice of British rock history.
The VOX Cooltron Over the Top Boost pedal channels the legendary, chime-heavy top-end response of a classic VOX AC30 amplifier directly onto your pedalboard. Powered by VOX’s proprietary Cooltron low-voltage technology, this pedal operates a genuine 12AU7 vacuum tube to deliver the sparkling highs, punchy midrange, and touch-sensitive harmonic breakup that defined the British Invasion sound.
Classic AC30 Top Boost Tone
Recreating the iconic circuit of the vintage VOX AC30 Top Boost channel, this pedal brings legendary chime and clarity to any amplifier setup. Whether you are playing jangle-pop rhythms or pushing your clean signal into singing, articulate overdrive, the Over the Top Boost delivers the signature transparent headroom and musical bite that guitarists have relied on for decades.
Interactive Tone Shaping
Designed to provide deep control over your frequency response, the pedal features a dedicated interactive EQ section:
- Bass and Treble Controls: Highly responsive EQ knobs that interact naturally to shape your low-end warmth and crystal-clear high-end sparkle.
- Gain Control: Dials in everything from subtle, glassy boost to fully saturated, harmonically rich British crunch.
- Volume Control: Regulates the overall output level to match your bypassed signal or push your amp’s power section harder.
- True Bypass Switching: Ensures zero signal coloration when the pedal is turned off, keeping your core guitar tone completely pure.
Efficient Low-Voltage Tube Design
Thanks to Cooltron technology, the Over the Top Boost achieves authentic tube saturation at fractional voltages. This innovative approach provides the warmth and dynamic response of real tube gear while maximizing battery life and eliminating the need for bulky high-voltage power supplies.
Key Technical Specifications
- Tube Circuitry: 1 x 12AU7 vacuum tube (Cooltron low-voltage technology)
- Controls: Gain, Bass, Treble, Volume
- Bypass: True Bypass
- Connections: 1/4" Input jack, 1/4" Output jack, DC power jack
- Power Supply: 4 x AA batteries or optional 9V AC adapter
- Dimensions (W x D x H): Approx. 168 x 155 x 64 mm (6.61 x 6.10 x 2.52 inches)
- Weight: Approx. 1.0 kg (2.2 lbs.)
The VOX Cooltron Over the Top Boost is an essential tool for guitarists looking to capture the immortal chime and crunch of a vintage AC30. Combining real tube warmth with intuitive tone-shaping controls, it infuses your rig with timeless British character.
| Brands | VOX |
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