Behringer TD-3-MO: The Overdrive Version of the TB-303 Clone
· re:union Radio editorial · 3 min read
The Behringer TD-3-MO expands the TB-303 clone with overdrive, sub-oscillator, and additional CV/Gate paths for acid sounds in your techno setup.
The Behringer TD-3-MO is the modified version of the TD-3, that hardware clone with which Behringer recreated the sound of the legendary Roland TB-303 in 2019. While the TD-3 copied the original's user interface as faithfully as possible, Behringer packed the MO version with additional sound tools and control paths that the original 303 never had – the name “MO” stands for “Modded Out.”
At a glance
- Additional features compared to the TD-3: Soft Attack, extended Decay, Slide Time, Sweep Speed, Accent Sweep, Filter FM, Filter Tracking, and Overdrive
- Selectable sub-oscillator in three stages for more bass foundation
- Extended CV/Gate section with separate inputs and outputs
- Original list price of 198 Euros, at times only limited availability since market launch
What distinguishes the MO version from the TD-3
The TD-3-MO builds on the analog sound generation of the TD-3, but supplements it with parameters that specifically intervene in the characteristic 303 sound: Soft Attack and an extended Decay with separate controls for normal and accent envelopes, plus Slide Time and Sweep Speed for softer or sharper transitions. An Accent Sweep control as well as Filter FM and Filter Tracking provide additional access to the filter behavior. The most visible new feature is a three-stage Muffler switch, next to which the source specifically lists an Overdrive parameter.
More paths for CV and Gate
For integration into larger setups, Behringer has significantly expanded the connection section. Incoming, Filter, Filter FM, Filter CV, Accent, Slide, Gate, CV, and Sync can be fed into the TD-3-MO; outgoing, the device delivers Accent, Gate, CV, and Filter signals for controlling external devices. This means the TD-3-MO can function not only as a standalone bassline machine but also as a control center or controlled module within an analog or semi-modular system.
Why the TB-303 still resonates today
The Roland TB-303 was developed in 1981 by Tadao Kikumoto and was originally intended to replace bass guitars. Commercially, it was a flop and was discontinued in 1984. It owes its reputation to the Chicago group Phuture, who repurposed a cheaply acquired used unit and, with “Acid Tracks” in 1987, shaped the acid house sound. Manipulating the running sound parameters created that “squelching, resonant and liquid sound” that became the hallmark of acid house. The subsequent demand drove up used prices – in 2014, original units were traded for over 1,200 British Pounds, which created the market for affordable clones like the TD-3 and, indeed, the TD-3-MO.
| Basis | Behringer TD-3 (analog bassline replica of the Roland TB-303) |
|---|---|
| Additional features | Soft Attack, extended Decay, Slide Time, Sweep Speed, Accent Sweep, Filter FM, Filter Tracking, Overdrive, three-stage Muffler switch |
| Sub-oscillator | 3 stages, switchable |
| CV/Gate inputs | Filter, Filter FM, Filter CV, Accent, Slide, Gate, CV, Sync |
| CV/Gate outputs | Accent, Gate, CV, Filter |
| Original price | approx. €198 (Yellow and Silver models) |
“The TB-303 has inspired numerous software emulations and clones.”
FAQ
Is the TD-3-MO suitable for use in modular setups?
Yes. Via the extended CV/Gate inputs and outputs for Filter, Accent, Slide, Gate, CV, and Sync, the TD-3-MO can be controlled by external equipment and also used as a control source itself, for example, alongside Eurorack modules, which are increasingly being installed in DJ and studio environments.
Why is the overdrive function the most striking new feature?
The three-stage Muffler switch and the dedicated Overdrive parameter bring this effect directly into the device, saving you an external distortion pedal step that would otherwise have to be planned for in budget-conscious setups – for example, in combination with affordable accessories like the budget equipment for DJs.
Source: Wikipedia – Roland TB-303, gearnews.de – Behringer TD-3-MO
