![]() ![]() It can be used on guitar to make it sound more aggressive (such as the lead-in solo by Prince on When Doves Cry) or sound like a bass. ![]() Octave pedals can be used in conjunction with fuzz (see octafuzz) and/or distortion. The Mu-tron Octave Divider (about 1972) had a unique generator that tuned into the low octave as long as the input signal was strong and then continued generating the same frequency while that input signal faded. In 2020, Boss released the OC-5 which included features from both of the previous versions, as well as some new ones including octave up, poly/vintage mode, source switch and superior tracking engine. The Boss OC-3 (2006) has an additional mode called "Poly" where only a low note is added with the idea to add a bass line to chords. This more complex approach lessens the synthetic sound of the octave tones by making them more closely associated with the original signal, and also makes the effect volume-sensitive. The 3/2 component is low-pass filtered out. This effectively amplitude modulates the input signal with a carrier at half the input signal, creating new frequency components at 1/2 and 3/2 the input signal. This effect also uses flip-flops to generate square waves at 1/2 and 1/4 of the input signal frequency, but rather than simply mixing in these signals, it uses them to invert the polarity of the input signal on every other cycle (every two out of four cycles for the second octave). The Boss OC-2 unit generates tones at one and two octaves down from the input signal. The BOSS OC-5 will be available for $129.99 in late September 2020.MXR Bluebox (reissue model), an octafuzz producing octave down tones. And with the Direct Out jack, users can route dry and effect sounds to different destinations, such as two stage amps or discrete channels on a mixer or audio interface. Via a dedicated switch, the OC-5's tracking engine can be optimized for either guitar or bass. Players can use the octave-up effect on its own for faux 12-string sounds and unique solo tones, or blend it with the octave-down effects for extended chord voicings and super-fat leads. The OC-5 introduces a new octave-up effect, which is available in both Vintage and Poly modes with a dedicated +1 OCT knob. In addition, it's now possible to isolate the octave effect to the bottom note in a chord by turning the Range knob to the "Lowest" setting. The variable Range knob restricts the effect to only the lower notes on an instrument, perfect for playing octave bass lines alongside normal chords and melodies in the higher registers. ![]() The OC-5 also features an evolved version of the smart Poly mode first introduced with the OC-3 Super Octave, letting users play full chords with octave effects. Dedicated level controls are provided for -1 and -2 octave effects and the direct sound, giving quick access to a variety of sub-octave colors. The OC-5's Vintage mode delivers the OC-2's iconic mono sound, coupled with improved response thanks to the new tracking engine. Introduced in 1982, the OC-2 Octave was the world's first modern octave pedal for guitar and bass, and its characteristic voice can be heard in many famous songs. Here's the details in the company's own words. And, says BOSS, with the latest tracking technologies, users can enjoy smooth, accurate playability with no latency. Offering the most advanced BOSS octave performance to date, the OC-5 features a new Vintage mode, polyphonic enhancements, and an octave-up feature for extended range. BOSS has announced the OC-5 Octave, the latest generation of the long-running OC series of octave pedals for guitar and bass. ![]()
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