Meet the new Unobtanium Raw!
Klon drives and Dumble amps are among the rarest pieces of gear out there.
The Unobtanium gives you both sonic flavors in a dual, stackable overdrive!
The right side packs a reproduction of the Klon Centaur, delivering anything from a transparent boost to a high headroom overdrive.
A toggle switch provides two different voices: the stock clipping or a modified setting that enhances gain and headroom.
Another toggle lets you select between True Bypass and the original’s Buffered Bypass for added clarity.
The left side serves up two different Dumble emulations at the flick of a switch!
The Super Overdrive mode delivers a celebrated mid-to-high gain overdriven sound full of sweet overtones.
The Steel String Singer voice shines for clean and glassy tones with natural and transparent compression.
For the Raw edition, Crazy Tube added magic ingredients to the clipping section: a set of hand-selected, NOS Mullard/Valvo OC45 germanium transistors! These add a supernatural feel with organic compression for increased gain and sustain on the Klon side.
The Dumble side is also glassier and punchier when compared to the standard Unobtanium.
Want more? The pedal features a passive series FX loop to connect pedals between the two sections or use them as independent effects.
Crazy Tube Circuits Unobtanium Raw Overdrive features:
• Two mythical circuits in a single box!
• Features germanium diodes and NOS Mullard/Valvo OC45 germanium transistors!
• Right side faithfully reproduces the classic Klon circuit.
• Klon side goes from transparent boost to high headroom overdrive.
• Select between True Bypass or the Klon's original Buffered Bypass.
• Select between stock clipping or enhanced compression, gain and sustain.
• Left side packs Dumble-style tones.
• Select between 2 distinct Dumble-style overdrive circuits.
• Dumble side goes from clean boost to sweet singing overdrive.
• Connect other pedals between the two sections via the FX Loop.
• Runs internally at 18V DC for increased headroom and tube-like performance.
• Power: 9V DC.
• Current Draw: 100mA.
Specs
| Type | Overdrive |
| Condition | New |
| Power | 9V DC |
| Current Draw | 100mA |
| Power supply included | No |
| Manufacturer Warranty | 5 years |
| Country of Origin | Greece |
FREE SHIPPING
- Free shipping within Canada.
- Free shipping to the USA.
- Free shipping on international orders over 520$.
Visit the Shipping page for more.
Fast Delivery
- Canada : 1 - 2 business days
- USA : 1 - 2 business days
- Rest of the world: 3 - 5 business days.
Hassle-Free Returns
You have 45 days to test your new gear. If you choose to return it, we’ll send a full refund. It’s that simple: no bogus restocking fees or charges.
Visit the Returns page for more.
Frequently Asked Questions
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How can I tell if an item is in stock? +
Each product page shows an availability status.
• In stock items are ready to ship.
• Out of stock items are currently unavailable.
You can enter your email to be notified when an item is back in stock.
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Where are you located? +
We’re based in Blainville, Quebec, Canada.
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When will my order ship? +
Orders placed before 12 PM EST ship the same business day.
Tracking details are sent shortly after purchase.
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How much does shipping cost? +
Most orders ship free to Canada and the US.
International orders ship free on purchases over $520 CAD.
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Which shipping methods do you use? +
Orders ship via UPS Expedited by default.
For faster delivery, you can select UPS Express Saver at checkout.
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How long does shipping take? +
Typical delivery times are:
• Canada: 2–3 business days with UPS Expedited, 1 business day with UPS Express Saver
• USA: 2–3 business days with UPS Expedited, 1 business day with UPS Express Saver
• International: 3–5 business days with UPS Expedited, 2–3 business days with UPS Express Saver
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Which payment methods do you accept? +
We accept all major credit cards and PayPal.
Financing options are available through Klarna and RBC PayPlan.
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Do Canadian customers pay sales tax? +
Yes. Sales tax is applied based on your province of residence:
• Alberta: 5%
• British Columbia: 5%
• Manitoba: 5%
• New Brunswick: 15%
• Newfoundland and Labrador: 15%
• Northwest Territories: 5%
• Nova Scotia: 14%
• Nunavut: 5%
• Ontario: 13%
• Prince Edward Island: 15%
• Quebec: 14.975%
• Saskatchewan: 5%
• Yukon: 5%
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Do USA customers pay import fees? +
Yes. Starting August 29, 2025, all US-bound shipments will be subject to duties, taxes, and brokerage fees.
These charges are determined by US Customs and collected by UPS at delivery.
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Do international customers pay import fees? +
Yes. International shipments may be subject to duties and taxes.
These charges are set by the destination country’s customs authority and collected by UPS at delivery.