Jam Pedals Tubedreamer mk.2 Overdrive Pedal takes the familiar 808-style overdrive platform and refines it into something more flexible and performance-ready. This is a great fit for players who rely on this style of drive as a core part of their sound, whether that means pushing an amp, stacking with other pedals, or using it as a low-gain foundation. The mk.2 keeps the warmth and midrange focus players expect, but adds a few more controls.

At its core, the Tubedreamer mk.2 still uses the sought-after JRC4558D chip, paired with a 3-diode asymmetrical clipping stage that responds naturally to picking dynamics and volume changes. The updated low-gain range gives you finer control at subtler settings, while the new clipping toggle lets you switch between classic asymmetrical clipping and a no-diode mode for a more open, amp-like response with added headroom. A dedicated High Gain footswitch adds a second gain stage on the fly, turning the pedal into a much more versatile live tool.

From a usability standpoint, this pedal balances simplicity with expanded functionality. Internal trimmers let you set independent output levels for the high-gain stage depending on clipping mode, and the selectable startup state keeps things consistent on your board. It works well as a standalone drive or stacked into other gain pedals, and the true bypass design keeps your signal clean when disengaged. We like this one for players who want the feel of a classic 808-style overdrive but with more usable range and modern flexibility.

Specifications:

- Enclosure: Compact pedal enclosure
- Controls: Level, Tone, Gain, Clipping toggle (asymmetrical / no-diode), High Gain footswitch
- Switching: True Bypass, dual footswitches
- I/O: Top-mounted input and output jacks
- Power: 9V DC, center negative, 60mA
- Circuit: JRC4558D-based overdrive with asymmetrical clipping
- Dimensions: 2.9" x 4.7" x 2.2"
- Weight: 0.6 lbs

Sku: JA-TD2