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Subdecay Octasynth Octave Synthesizer

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An analog synth pedal that actually sounds like… A SYNTH. The Octasynth’s origins date back to the early days of Subdecay and our love of old analog synth tone.  Over the course of six years this effect was designed and redesigned more a dozen times until we got everything right...

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An analog synth pedal that actually sounds like… A SYNTH.

The Octasynth’s origins date back to the early days of Subdecay and our love of old analog synth tone.  Over the course of six years this effect was designed and redesigned more a dozen times until we got everything right – Perfection is not simply an issue of tone.  In a stompbox it’s about simplicity and control.

Raw Waveforms + Resonant Filter = Analog synthesizer.

The Octasynth is more than a simulation or an attempt to mimic analog synthesizers.  It is an analog synthesizer. The heart and soul of the octasynth are two different effects both built around IC’s commonly used in analog synthesis. The first is an octave generator that converts your guitar into three square waves.  The octaves then run through a second effect: A resonant low pass filter.  90% of the analog synth tones you are familiar with are just this – Raw waveforms and resonant filters.

The first temptation with any synthesizer effect is to make it complicated, so complicated that most people would never have the patience to use it.  While this can make for a very fun (and expensive) toy, it becomes less useful or even frustrating if you can’t easily recall ‘that sound’ you were getting from it a few minutes ago.  

Dynamics-  Not only does the Octasynth track the note you are playing. It also tracks dynamics to control the filter.  Use the DEPTH and RESONANCE controls to create in your face punch or resonant gurgles. Expressive controls let your playing shine through. The way you play a note has just as much effect on the sound as the note you play.  The filter also completely turns off while you are not playing to eliminate sputter or other noises common with other octave effects.

Controls:

  • The Octasynth’s controls are tailored to creating a sound quickly. No endless tweaking required.
  • Blend- A mix control for 3 octave voices. To the left, two octaves down. To the right, one octave. In the center a mix of all three.
  • Depth- The range of the filter. As this knob is turned to the right each note you play pushes the filter cutoff frequency higher. This control can be a bit touchy, especially in the lower range. When turned all the way down the filter stays below audible frequencies (i.e. there will be no sound at all). It needs to be turned up at least a little bit for any audible effect. This design allows the filter to trail off to ultra low frequencies, which can make notes trail off gracefully rather than sputtering out.
  • Res- Resonance/Feedback for the filter. Turned to the right the cut off frequency of the filter is intensified. Turned all the way to the right the filter will approach near oscillation.
  • Level- Total output volume.

The Octasynth is tuned for electric guitar. We do NOT recommend the Octasynth for use with Bass guitar.

The Octasynth is monophonic, so you’ll need to leave your diminished 9th jazz chords at home.  The Octaynth just want’s to rock n roll!

Notes about The Octasynth:

  • Powered by a 9 volt battery or a regulated 9VDC to 12VDC adapter with a negative center
  • 2.1mm barrel style plug
  • If using a “daisy chain” power supply, all other pedals MUST be negative ground.
  • Current draw is less than 10mA.
  • Length 4.4″ X Width 2.3″ X Height 1.0″
  • Input impedance- 500K
  • Output impedance- varies depending on Level setting.
  • The Octasynth is hand made in Oregon.
  • Die cast metal enclosures for durability.
  • 3PDT switches for true bypass switching.
  • Red LED indicator.
  • Three-year limited warranty.

All New products are covered by the manufacturers new warranty. Please check their website for the length of warranty and warranty conditions.

If an item you receive is faulty get in touch with us ASAP.

Second Hand products come with a 10 day warranty from us. If there is an issue let us know ASAP!

This covers normal use and does not cover accidental damage, misuse, wrong power plugged into it, modding, water damage or any other damage caused by mistreatment.

Just treat it nice and all will be good!

Please don't email 5 weeks later and say there was an issue within the first 2 days or something like that because we won't be able to cover it.

We send A LOT of packages every week so don't worry about the shipping side of things!

We've never lost a thing and your awesome new gear will be packed up really well to avoid any damage in transit.

If your order comes in before 2pm we will ship it same day. Most of the time we pack things up all the way to 5pm so just call if you need it to leave same day after 2pm.

We ship with Australia Post and a variety of couriers depending on location.

Free Post ships with Australia Post standard and expected shipping times are between 4-6 days depending on location. It will be longer to outside of metro and rural areas.

Express Post will usually be with you next business day in metro areas of QLD, NSW, SA, VIC and TAS. WA will take 2 days to metro and extra days after that to out side metro and rural areas.

Everything we ship has a tracking number with the exception of some power cables and smaller envelope packages. You will be emailed tracking once your order has been shipped!

"LOVE IT Or Exchange It Within 14 Days"!

The item MUST BE sent back in the same condition it arrived in and have all the materials it arrived with (manual,warranty card,all accessories) and be packaged in the original box.

Items returned in undesired condition (scratched,chipped, etc) will be subject to a restocking charge of up to 30%. Modded items will not be refunded!

Postage must be paid by the purchaser to get the item returned to us and we will exchange at our discretion the amount of the products but not the postage costs.

Items must arrive here within 14 days of your order being placed.

Some items cannot be returned like Pedalboards you have already put velcro on, strings, pedalboard tape, Cables and DIY cable kits.

Please don't use the Manufacturers box as the packing box or you will automatically be charged a 30% restocking fee!

Email us BEFORE returning your items so we can resolve or sort out any problems you may have and just so we know to expect the item. You may also want to insure or register your item as we don't take responsibility for lost or damaged post.

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