Scan code: LN120177 Manufacturer code: TB-03

(Open Box) Roland - 'TB-03' Bass Line Synthesizer

(Open Box) Roland - 'TB-03' BassLine Synthesizer - Compact Recreation Of The Legendary TB-303

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Scan code: LN120177 Manufacturer code: TB-03
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(Open Box) Roland - 'TB-03'
Bass Line Synthesizer

Roland TB-03

THE CLASSIC TB-303 SOUNDThe Roland TB-03 is a direct descendant of the well-known TB-303 Bass Line Synth. Battery-powered, whilst keeping layout, controls and renowned sound identical to the original. Thanks to Roland’s advanced ACB technology, this unit recreates the immersive grooves of the magic silver box. But the new TB-03 goes even further, featuring several enhancements not found on the original model.

The four-digit LED display makes programming easier and more accurate, while overdrive and delay effects offer an intense, tribal wall of sound to send the crowd into a trance. When used in the studio, the TB-03 can send control information via MIDI or its USB port, and also works as an audio interface.

Amazing Features • Retains the sound, character, and user interface of the original TB-303
• CV/Gate outputs for controlling vintage analogue gear and modular synthesizers
• Control information can be sent and received via MIDI and USB
• Realistic recreation of the iconic TB-303 Bass Line synth
• Built-in powered mini-speaker for instant enjoyment

Authentic 303 Sound & Behavior

Roland TB-03

Roland ACB TechnologyThe TB-303 delivers an unmistakable hypnotic, tribal sound that works best in dark, crowded rooms with large sound systems. Featuring ACB (Analog Circuit Behavior) technology identical to the acclaimed AIRA series.

The TB-03 accurately replicates the expressive, slippery sound of its predecessor, and even adds a bit extra. Saw and square waveforms are available, together with all of the rotary control knobs that help shape the 303’s unique character, such as tuning, cutoff, resonance, envelop mod, decay, and accent.

New & Improved Features

Roland TB-03

An Upgrade From The OriginalThe TB-03 comes with multiple enhancements from the original TB-303. The four-digit LED display allows programming to be easier and more detailed, as you now have a visual representation of the value being edited.

You get a variety of overdrive, delay, and reverb effects that dramatically change the mood and tone of the TB-03, going between smooth, spiky and squealing.

Programming patterns is also easier due to newly added functions that include step write, shuffle, and fine tempo control. MIDI and USB ports are included so the TB-03 can send and receive control information and easily connect to computer-based DAWs.

Classic TB Sequencer Sound

Roland TB-03

Enhanced FunctionsIf you've used the' TB-303’s programming method before, then you’ll feel right at home with the TB-03. The original Pitch and Time write modes are included as well as with an all-new Step mode. Pattern programming is also improved by the LED display, displaying the current step in the sequence as well as showing fine tempo values (such as 125.5 BPM).

The internal sequencer can be triggered externally via the trigger input, and you canalso select between write and play modes without stopping pattern playback, offering new possibilities for live performance.

Connect With External gear

Roland TB-03

Flexible ConnectivityThe TB-03 features MIDI IN/OUT ports and USB, allowing control information to be exchanged with other instruments and devices. This turns the TB-03 into a versatile controller, as you can use the CV/Gate output to control external analogue gear and modular synthesizers. This level of control goes both ways, thanks to the trigger input that lets external gear drive the TB-03’s internal sequencer. When connected to a PC or Mac, both audio and MIDI data can be sent through the USB port.

Some of the best music is made outside of the studio, so the Roland Boutique series runs on 4 x AA batteries, always ready when you feel inspired. The TB-03 can also run on USB bus power by its USB port, the TB-03 functions as a high-quality audio interface, providing a simple and reliable way of recording directly to your DAW application. You can keep your favorite settings and sequencer patterns safe too via the USB data backup function.

Roland Boutique Start - TB-03 Bassline Synthesizer Tutorial

The Tech Spec

Features Specification
User Memory Patterns: 96 (4 groups (I, II, III, IV) x 3 sections (A, B, C) x 8 patterns)
Tracks: 7
Waveform (SAW, SQUARE)
Controllers BVOLUME knob
ENV MOD knob
DECAY knob
WAVE FORM switch
MODE selector
TEMPO button
VALUE knob
RUN/STOP button
Keyboard buttons (C, C#, D, D#, E, F, F#, G, G#, A, A#, B, C)
TIME MODE button
ACCENT button
SLIDE button
BACK button
TAP button
Effects OVERDRIVE (Overdrive/Distortion)
DELAY (Tape Echo/Digital Delay/Reverb)
Indicators 7 segments, 4 characters (LED)
Connectors TRIGGER IN jack: Mono miniature phone type
CV OUTPUT jack: Mono miniature phone type
GATE OUTPUT jack: Mono miniature phone type
PHONES jack: Stereo miniature phone type
OUTPUT jack: Stereo miniature phone type
MIX IN jack: Stereo miniature phone type
MIDI (IN, OUT) connectors
USB port: Micro-B type (Audio, MIDI)
Power Supply Rechargeable Ni-MH battery (AA, HR6) x 4
Alkaline battery (AA, LR6) x 4
USB bus power
Current Draw 500 mA (USB bus power)
Expected battery life under continuous use Rechargeable Ni-MH battery: Approx. 5 hours
* This can vary depending on the specifications of the batteries, capacity of the batteries, and the conditions of use.
Accessories Owner's Manual
DK-01 Owner's Manual
Alkaline battery (AA, LR6) x 4
Dimensions Width: 308 mm
Depth: 130 mm
Height: 52 mm
Weight 940 g
2 lbs 2 oz
Product Type  
PC Interface N/A
Connectivity (Input)  
Connectivity (Output)  
Sample Rate  
Bit Rate N/A
Frequency Response (Input) N/A
Frequency Response (Output) N/A
Maximum Input Level N/A
Maximum Output Level  
Dynamic Range  
Dimensions (mm)  
Misc. Notes  
Package Type  
Additional Information
Scan Code LN120177
Model Number TB-03
GTIN 4957054509484

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36 months
Return to base
DOA Period:
30 days
RTB Period:
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Manufacturer Contact Details
(Open Box) Roland - 'TB-03' Bass Line Synthesizer
(Open Box) Roland - 'TB-03' Bass Line Synthesizer