Gamechanger Audio LIGHT Reverb Pedal - Long & McQuade Music Educator Site
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Gamechanger Audio LIGHT Reverb Pedal

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SKU: # 748182
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The Classic Spring Tank Sound
The LIGHT Pedal's central component and main sound source is a traditional spring reverb tank, consisting of three major elements - the input transducer (spring exciter), the springs and the output transducer (pickup). There can be a lot of complexity in the spring's movement patterns during the reverberation process, especially near the input transducer. However, due to the spring elasticity, by the time vibrations have reached the output transducer we mostly hear the spring's own resonant frequencies, which is why all spring reverbs have such a particular jangly, metallic sound. The LIGHT Pedal's spring output (the spring knob) offers a classic high-quality spring reverb sound with the option to adjust the spring "drip" (the drive knob) and the tone of the output signal (the tone knob).

The Optical Spring Reverb Sound
To capture the full range of the spring's vibrations, the LIGHT Pedal uses multiple sets of special infra-red optical sensors that act as photoelectric pickups. Each set of IR sensors is directed at a different point on the moving spring's surface. The optical sensors detect much finer movements compared to the output transducer. This makes longer decays possible and more detailed frequency response, including subharmonics and overtones. Additionally, the pedal can achieve amazing modulation and tremolo effects by scrolling through the optical sensors or by switching them on and off (optical effects).

optics - lets you choose a specific combination of optical sensors, each with a slightly different texture and timbral quality.
sweep - sweep is a modulation mode that rhythmically scrolls back and forth through the different optical sensor pairs. The different frequency response properties of each sensor result in a modulation-style effect.
trem - a tremolo effect is produced by rhythmically switching the optical sensors on and off. The tremolo effect can also be applied to the spring output together with the optical signal or separately.
reflect - this mode is a lo-fi delay that will send the instrument's signal back into the reverb tank several times. Long delay times can create powerful, lengthy reverb decays.
feedback - the feedback mode sets the spring tank into self-oscillation, which lets you produces various drones and wall-of-sound-type pads. Lots of potential uses when paired with an expression pedal or when in momentary mode.
harmonic - in harmonic mode the spring tank is driven by a special circuit designed to produce added overtones and harmonics. Think of it as a shimmer reverb effect, but only produced naturally within the spring tank.

All of the above effects are controlled with the ctrl knob, which can be responsive to playing dynamics. The first three effects (optical, sweep, trem) can be stacked with one of the remaining three effects.

• 3 mix controls: dry, spring (classic spring sound) and optical (optical spring reverb sound);
tone - shared between the spring and optical sounds, and does not apply to the instruments dry signal; 6-way effect selector knob
ctrl - effect parameter control knob
drive - spring tank's input signal level;
gate - primary function: gated and ducking reverb control; secondary function - ctrl knob envelope response control.
tails - turns reverb tails on or off
latch - sets the pedal into latching mode (on) or into momentary mode (off).
• shock sensor - shuts off the wet signal output when mechanical impact or a shaking motion is detected; three levels of shock protection: off, soft and hard.
• soft footswitch - the primary function: toggling bypass; secondary functions - effects stacking, adjusting the envelope control over the effects, and entering the footswitch assignment mode.

The LIGHT Pedal is a mono pedal with a 1/4" jack input and output. The LIGHT Pedal also features an expression input for 1/4" TS and TRS jacks and is compatible with all expression pedal types, as well as CV signal (active range to +3.3 V). The expression pedal can be assigned to the ctrl, spring, optical, drive or the gate knobs.
The LIGHT Pedal uses a standard 9V DC center-negative power supply of at least 500 mA. The power supply is not included.

Dimensions: 105 x 190 x 40 mm (4.1 x 7.5 x 1.6 in)
Weight: 1060 g (2.3 lbs)
Spring Tank: 3 Springs Type, 100 mm
Input Impedance: 1 MΩ
Max Input Level: +6.8 dBu
Output Impedance: 100 Ω
Max Output Level: +6.8 dBu
Peak Power Consumption: 4 W
Mean Power Consumption: 0.9 W
Power Requirements: 500 mA min, 9 V DC center negative, 2.1 x 5.5 mm plug
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