Sonic Farm Tantra User Manual Download Page 7

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Compressor drive control. For the main signal chain, with no harmonics blended in (see 34 or 35), the compressor switch (16) needs to

be flipped right for this compression drive control to be active. You are hitting a fixed compression threshold (the level where
compression kicks in) with more or less signal, which affects the overall loudness as well as the point in time (from plucking a string all

the way to decay) where loudness starts to be “shaven off”. For studio heads, the compression ratio is fixed to around 3.5 to 4, and the
release time is optimized for bass instruments. This compressor also features a special, dual time constant, feedback circuit. In plain
words, it won’t pump or breathe or squash your attack even at higher settings. Even slapping will yield clean, distortion-free, natural

attack. It rivals best studio compressors, and then some. It is important to point out that the signal should be nice and strong (use
controls 8 and 10) to get the most out of the compressor. Just make sure you don’t get red clipping with OL fd (14) switch in the right
position. The dB markings around the dial indicate maximum gain reduction possible in that setting.

Master level control. Affects line output, as well as the power amp, if built in.

harmonic blend. This section allows giving your bass a bit more “growl”. The effect is limited to low and low-mid frequencies only.

The nature of this circuit makes it emphasize louder notes. That’s why we left the compressor permanently engaged with these 2

harmonic generators, so that you can regulate not only the blend, but also the intensity of harmonic generation (even with the
compressor switch flipped to the left). With compressor drive at minimum, the effect will be subtler, and you will need to blend in a bit
more. As you turn up the compressor drive, the effect will start to be more intense, so adjust to taste. This blend control mixes the

harmonic generator output with the main signal.

harmonic blend. The same as above applies here. The only difference is the sound of the 4

harmonic.