Overdrive (Amp-in-a-box (Dumble D-style) + Klon-style overdrive, dual with effects loop) · $312
The Crazy Tube Circuits Unobtanium is an analog amp-in-a-box (Dumble D-style) + Klon-style overdrive, dual with effects loop pedal based on the Klon-style OD (germanium diode clipping) + Dumble D-style amp, with OD side: gain, treble, volume; Amp side: gain, emphasis, tone, volume controls, made in Greece. From $312.
| Category | Overdrive (Amp-in-a-box (Dumble D-style) + Klon-style overdrive, dual with effects loop) |
| Circuit / based on | Klon-style OD (germanium diode clipping) + Dumble D-style amp |
| Signal | Analog |
| Controls | OD side: gain, treble, volume; Amp side: gain, emphasis, tone, volume |
| Switches | OD buffer/true-bypass toggle, OD stock/enhanced-gain toggle, amp SSS/ODS voicing toggle, XT footswitch input |
| Footswitches | 2 |
| Bypass | true bypass (selectable buffered) |
| True bypass | Yes |
| I/O | In/Out, passive series effects loop (send/return) |
| Power | 9V DC |
| Country of manufacture | Greece |