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2XB303 Acid Bass Sequencer

A creative bass music synth sequencer for electro melodies or dirty phat & funky acid techno basslines

A creative bass music synth sequencer for electro melodies or dirty phat & funky acid techno basslines

2XB303 Acid Bass Sequencer

by Rob Wilmot
2XB303 Acid Bass Sequencer
2XB303 Acid Bass Sequencer
2XB303 Acid Bass Sequencer
$4.99 in the App Store

What is it about?

A creative bass music synth sequencer for electro melodies or dirty phat & funky acid techno basslines.

2XB303 Acid Bass Sequencer

App Details

Music Productivity
Last updated
July 5, 2018
Release date
June 22, 2018
More info

App Screenshots

2XB303 Acid Bass Sequencer screenshot-0
2XB303 Acid Bass Sequencer screenshot-1
2XB303 Acid Bass Sequencer screenshot-2
2XB303 Acid Bass Sequencer screenshot-3

App Store Description

A creative bass music synth sequencer for electro melodies or dirty phat & funky acid techno basslines.
Look at the video tutorial for a how-to guide. Listen to what you can create easily with 2XB303.
With sequence manipulation features, effects, syncing & audio routing.
Inspired by the acid house music scene. Compared to a modern equivalent to Rebirth. An IOS exclusive.
Create sequences using standard step functions as seen on various sequencers like the Roland SH-101 or use one - button generation. Easily capture whatever you hear and export easily AudioShare, Audio-Copy, Email or iTunes Shared Folder
Tweaking by familiar means: filter cut-off & decay Env-Mod & glide & accent etc for those classic sweet-spot acid growls.

The sound was first compared to a Cyclone Analogic TT-303 & then tweaked to extend sound shaping beyond just bass. Waves have an optional harmonic version, plus noise, LFO, glide speed & PHAT/ BASS levels to play with plus effects. This is of course, digital, & doesn't contain the vital transistor. But, it is designed to give much more freedom for creativity beyond acid music

This description can also be used as a quick guide
Controls are per channel except the global/master effects (yellow ).

METRONOME: Toggle basic drum beats -better than cowbell or tick-tocks to accompany your basslines!
MEMORY: Next memory to load. If playing, it loads at the next loop else it will load immediately. Make sure you have saved your current sequence!

1-32 steps
OFFSET +1 to +31
COPY, PASTE & CLEAR sequence
RANDOMIZE all or choose just NOTES (auto chooses notes if none chosen), SHUFFLE rearranges pattern, EXPAND repeats length to fill all 32 steps. PRESET loads pre-programmed sequences.
TRANSPOSE key changes the pitch of both sequences for cool melodies.
SWING A global level . Some step values like glide or rest are ignored with this

LFO auto controls FILTER CUT-OFF as well as PITCH. The pitch level can give a vintage effect subtly detuning pitch with low LFO SPEED. Or faster for chaotic random pitches.

Select WAVE from SAW, SAW + harmonics, SQUARE, SQUARE + harmonics & NOISE

PAN, BASS cut/boost, MUTE 1, 2, "I" (INPUT) & METRONOME. Input = mic/Audiobus filter etc
PHAT= pre low-pass via high pass returned to low pass mix. A nice fresh modern sound. The PHAT cut-off & resonance is synced to the main filter & env mod.

OVERDRIVE, COMPRESSION adjusts threshold, ratio, & gain. This is a global effect.
ECHO feedback & wetness. SPEED = tempo synced.
SAVE ALL. When not playing, save to memory.

Ableton Link syncs other apps or use without for precise timing. Press LINK button at the bottom for settings.
MIDI. External, virtual or Audiobus. You can sync with your favourite hardware using a MIDI interface or other apps. 2XB303 can be a master or slave. ( any simple class-compliant USB should work but some may need to be power assisted)
Virtual MIDI Input is always on. If you send from another app AND receive MIDI clock then you will be receiving both MIDI CLOCKS. Choose only one unless you want double tempo (which can be interesting).
While Ableton Link is enabled you can send clock out. This means you can use one app to control 2XB303 with your external hardware.

Record a fixed length, default to 32 steps. Can be changed in settings.
Arming the sampling with CAPTURE (flashing). Starts at counter 1 (ON).
PLAY CAP to hear sampled loop.
Audio can be routed using IAA into apps like Apple's Garageband. Garageband will also sync your sequence for excellent multi-track recording.
Audiobus 3. Route audio to mix or record into other apps
Audiobus Filter. Audiobus 3 input will travel through channel 1 and then gated by sequencer. Mute Channel 1 to hear just incoming audio. Play your vocal loops or guitar riffs with the synced filter & delay effects set in 2XB303!

BACK ENABLE: If disabled, will shut down background processes to preserve CPU.

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