Strymon Ola dBucket Chorus and Vibrato Guitar Effects Pedal

Product ID: 106971

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  • Superb effects pedal including three modulation types
  • Ultra low noise, 24-bit 96kHz A/D and D/A converters with 110dB signal to noise ratio
  • Hand-crafted dBucket algorithm reproduces bucket brigade responsiveness
  • Exceptional control via easily navigable knob and switch layout
  • Mono inputs, stereo outputs, and expression control input for real-time control
  • Adjustable +/-3dB boost or cut when the effect is engaged
  • True bypass technology preserves integrity of dry signal
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Delivery to UK mainland addresses* is FREE on orders over £75 and up to 30kg. (As a guide, a standard electric guitar weighs approx. 3-5kg).

Delivery on orders below £75 are charged at £4.45!

Delivery to Northern Ireland, the Scottish Highlands & Islands, Isle of Man, Isle of Wight and Channel Islands is weight dependant and will be indicated at the checkout

Delivery above 30kg to ANY location will vary according to weight and will be indicated at the checkout

LocationPriceStandard Delivery
UK mainland* FREE on orders over £75 £4.45 on orders under £75 1-3 working days
Northern Ireland, Scottish Highlands & Islands Isle of Man Isle of Wight Channel Islands £12.95 – any order value up to 30kg Over 30kg - please call 1-3 working days
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The Strymon Ola dBucket Chorus and Vibrato Guitar Effects Pedal utilises sophisticated digital signal processing technology to accurately recreate the warmth and depth produced by analogue choruses and vibratos. The team at Strymon have perfected their art, and the result is an outstanding pedal that deserves to take pride of place in any guitarist's arsenal.

dBucket Algorithm

Strymon recreate the sophisticated nuances produced by analogue pedals, by employing the high-performance SHARC DSP to carry out the work of their complex dBucket algorithm. The hardware and software integrate harmoniously to recreate the signal path in its entirety, using sophisticated mathematics to interpret the interplay of components in analogue circuitry. The result is a smooth and faithful response that is oozing with old-school charm, with all the characteristics you'd expect such as pitch effects, delay-time artifacts, and loss of fidelity.

Chorus Types and Modes

There are three chorus options available - chorus, multi, and vibrato -, which can be selected using the Type switch. The ‘chorus’ type is a traditional single delay-line (one per channel) chorus that is perfect for creating a deep chorus that shimmers beautifully from lush and rich to a pulsating swell as the speed is increased. The ‘multi’ type has three individual dBucket delay sections per channel, which creates a ‘studio’ chorus effect that would normally be associated with professional-level rack-mount chorus effect units. The ‘vibrato’ type captures the true spirit of classic vibrato stomps, to deliver the sparkling, shimmering twang we all love.

The Mode switch allows you to choose between Norm, Envelope, and Ramp mode. When Envelope mode is selected, it causes Chorus, Multi, and Vibrato to respond intuitively to your playing level. The wet signal diminishes as you play louder when chorus is active, and comes back in at lower playing levels. Multi does the opposite, with the wet signal increasing as you play louder, and diminishing at lower levels. With Vibrato selected, the speed of the vibrato increases as you play louder, and slows down at lower playing levels. As you can see, before you start to integrate other controls, you already have an exceptionally intuitive set of tools at your disposal.

Ramp mode allows you to use the bypass footswitch to ramp in the effect, and adjusting the ramp knob affects the speed of the effect. You can totally completely dictate the way in which your chorus or vibrato sounds to suit your desires.

The Speed, Mix, Ramp/Env, Tone, and Depth controls are all available to control the speed of your effect, control the wet/dry signal ratio, controlling the treble frequencies of the wet signal, and your chorus LFO depth.


Along the rear panel of the unit you'll find the 9V DC input, as well as the high impedance mono input, Expression pedal input for real-time control over any knob parameter, as well as stereo pair (right and left) outputs.

Exceptional Audio Quality

The Ola boasts ultra-low noise, high performance 24-bit 96kHz A/D and D/A converters with an 110dB typical signal to noise ratio. The analog dry path results in zero latency, as it is never converted to digital, ensuring that your bypassed signal remains in pristine condition. With 20Hz to 20kHz frequency response, you can guarantee that the intricate nuances of your guitar tone is preserved dutifully. The circuitry is housed in a super-strong and lightweight anodized aluminium chassis, which is lovingly crafted in the USA.

The Strymon Ola dBucket Chorus and Vibrato Guitar Effects Pedal delivers killer tones, superb response, exceptional versatility, smooth attenuation, and robust hardware – all in an easy to navigate interface. It doesn’t get much better than this.

ManufacturerOla dBucket Chorus and Vibrato Guitar Effects Pedal
Dimensions (H x W x D)90 x 200 x 110 mm
Input Impedance1Meg Ohm
Output Impedance100 Ohm
Signal to Noise110 dB typical
A/D and D/A24-bit 96kHz
Frequency Response20Hz to 20kHz
Max Input Level +8dBu
DSP performance1596 MegaFLOPS
Bypass Switching True Bypass (electromechanical relay switching)
Input Voltage9VDC Center Negative
Required Current250mA

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