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Source Audio Soundblox Pro Bass Envelope

Bass Effects Device

  • 23 Envelope/ phaser sounds
  • Knobs for effect selection, sweep range, frequency, speed and mix
  • Pressure switch to select the preset bank
  • The modulation source and the tap tempo
  • 6 Programmable memory slots
  • 7-Band EQ
  • Ultramodern DSP source audio 56-bit digital signal processor and crystal clear 24-bit converters
  • Active analogue bypass
  • Power supply via battery or optional AC adapter
  • For the connection of soundblox effects with other Source Audio effects the sensor connection cable (SR SA 160) is required
  • Including power adapter
  • Motion control
  • All soundblox pedals hot hand® compatible and can be used with any hot hand® sensor to expand the resources
No JavaScript? No Audio Samples! :-(

Sound samples

  • Funk
  • Metal
  • Rock

Further information

Effect Types Envelope Filter
48 customer ratings:
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4.6 / 5.0
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  • features
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19 written ratings Read all reviews

Very versatile and fulfilling pedal with masses of options

Nutter101, 17.05.2013
This is a fantastic pedal that offers a lot of tweak-ability for a bass player who has the time and energy to get into the features this pedal has. If you are a person who just wants to plug in and play, you will be missing out on a lot of the opportunities this pedal can provide. If so, I would check out the Soundblox Bass Envelope Filter, or wait for the Soundblox 2 model that will hopefully be released soon!

This pedal does everything that other envelope filters do, and then adds on a heap of other content to give you more versatility and options for your playing. The ability to connect expression pedals and midi input allows me to control this pedal with ease. As an example, I use the Source Audio Dual Expression pedal to control filter cut off, allowing me to use filter sweeps combined with distortion and an octave pedal - a very heavy sound indeed! There is also the option of using the Source Audio hot hand to control the pedal. This is a whole other topic, and videos of what can be done with this combo are all over the internet!

There are 23 (I think) different types of envelope shape, ranging from the two pole/four pole you find in most conventional envelope filters to three pole, pole and notch and more besides.

The option of controlling the envelope with an LFO is also very useful, allowing you to get the sort of wobbles that dubstep and electronic music utilise.

Having 6 presets is fantastic, reducing the amount of fiddling you have to do during a gig to a minimum. As an example of what I have saved currently, I have two reasonably standard funky filters, a phaser, a static filter, a low pass sweep and an LFO with a rate controlled by an expression pedal.

Finally, there is also a 12 band EQ on the pedal, which can be saved to a preset, this allows for 12dB of cut and boost across each band. This is fantastic for taming the high end on a particularly energetic filter shape, or just helping to cut through a mix and giving a volume boost for solos. These can also be used with no effect as a clean boost and EQ.

Downsides? The pedal is large, which could be an issue for some (not for me). Also, while having 6 presets is great, it would be nice to have even more.

All in all, it's a great pedal, and definitely one that a bassist that wants to expand the possibilities of their playing and sound should investigate.
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The filtered madness

Have this part now about 2 years and can now finally give a review.

Externally the part makes color very much. I find the lilac pretty fitting for this part because it underlines the pedalboard's extraordinary vein of the pedal.

6 presets are given quickly, so only the creme de la cream of your sounds assign a place: P

With 23 sounds you can play quite a lot and create new sounds. (I can easily imagine that it is too much to one or the other) Of course, the HotHand feature is a welcome change to the conventional method of stepping a pedal. But I have come to the realization that it is in principle is is how I control the parameters of the effect because of End just happen totally crazy things.

The individual controls are very effective and help the basser create his own sound. In my opinion, it is very important to deal with the single terms like "Q", "single peak", "triple peak", etc., so as not to stare at the part and arbitrarily turn the knobs to the Time, bit by bit, to turn his sound into a hell of useless sounds. You may need a little patience. (I went through this hell and returned as a cleansed bass player who had to prove himself in the high art of patience.) BUT: she pays herself.

For all those who are looking for the Dubstep sound: Yes he is doable but not with the thing alone. There is already a Compressor, Synth, Octaver and / or EQ.

And since I come to my last realization: Alone, the filter has already been very successful, it can be very subtle or fall eg strapped lines simply crazy, but in combination with other effects, he drives another guns and turns into Combi with a good good tore a refrain in a phaser-laden storm that sweeps over the heads of the listeners.

Have thus already several gigs denied and the part holds properly what?

- cool color / design
- (Only) 6 presets
- The variety is great, initially (or longer) but also tricky
- yeah Dubstep
- Full insane mode in combination with other pedals
- Holds something
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