MATRIXSYNTH: The Keys To Huge Synthesizer Bass [Tonus VCF Demo #4]

Monday, December 18, 2017

The Keys To Huge Synthesizer Bass [Tonus VCF Demo #4]


Published on Dec 18, 2017 gstormelectro

"Audio and Video by G-Storm Electro c.2017

Today in this demo I show some of the keys to getting huge bass sounds. I’m doing this on the Eurorack, but these ideas should work on most any synthesizer.
#1 Choose a quality low pass filter. I’m using my Tonus VCF module, a clone of the ARP 2600 filter. It’s a 4-pole low pass bass that uses a transistor ladder design similar to Moog.
#2 Cobble together as many oscillators as you can. Here, the Pittsburgh Synth Box wields a Tri, Saw, and Pulse along with a Sub-oscillato. Then I add another saw and square wave from the DNA Symbiotic Waves.
#3 For short basses use a punchy VCA/decay combo like the Bastl Skis. If you’re using a hardware synth, route a single envelope to affect the filter amount AND the amplitude at the same time.
#4 Modulate the filter with negative key tracking so that as you play higher on the keys, the higher notes will have reduced frequency cutoff. To do this I am sending the pitch CV to the signal inverter on my Pittsburgh Toolbox. Remember, a signal inverter just mirrors your signal across zero volts. For example, pitch CV goes from 0v to 5v. If you run that through an inverter, the output goes from 0v to -5v.
#5 Modulate the filter with a small amount of LFO to make your bass sound growl.
#6 Bass pads need a longer/slower Attack-Decay-Release envelope to evolve over time.

No effects used, audio recorded direct to Tascam DR-05"

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