Frequently Asked


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General Information

A c u s t i c a   A u d i o   N e b u l a

What is Nebula?

Nebula is a VST/AU plugin created and sold by Acustica Audio. The platform utilizes vectorial Volterra kernels (Volterra series mathematics) in lieu of traditional linear impulse responses, and as such offers some additional features compared to the base convolution reverb platform. In addition to linear aspects like frequency response, time & phase relationship, and reverberation decay, the engine is capable of capturing and rendering non-linearities, such as but not limited to harmonic distortion and the ability to sample over a dynamic volume range. The engine and core fundamentals at the time the OwnHammer libraries for Nebula were captured were not capable of handling or rendering clipping type distortion, therefor no such distortion was attempted to be captured.

As aforementioned, Nebula is a platform created and sold by Acustica Audio, not by OwnHammer. The Nebula libraries sold on are control and data file pairs (known as program and vector files, respectively), not the platform/plugins themselves. When libraries are purchased from OwnHammer, they consist of these files that are then placed within the Nebula application folder structure by the user so as to be used in a licensed and registered version of the COMMERCIAL Nebula platform.

The libraries on the OwnHammer site indicate they are "legacy".

What versions of Nebula are required to load the OwnHammer
libraries, and do these libraries work with Nebula 4?

The product catalog and "legacy" status:

OwnHammer development for Nebula was most prevalent from 2011 to 2013. In 2013, OwnHammer proved to the world through the Studio Mix Collection that impulse responses were the way of the future for guitar cabinet simulation, and the world responded and agreed. Since then, demand for and platforms supporting .wav IR based cabinet simulation has exploded to proportions that dictate new product development for OwnHammer.

Due to the sheer volume of platforms that accept .wav IR's by comparison, and the fact that OwnHammer products for Nebula would require considerable development time as per our desire to give ultimate credit to the capabilities of the Nebula platform and attention to detail in program building, as well the likelihood of also needing to develop graphic interfaces and add VST coding capabilities to our repetoir, development has been paused on new product creation until considerable amount of catch-up and demands have been met in section of our product base that moves the most units (.wav IR's), and we fully investigate what is required to continue to participate as an Acustica 3rd party developer. As such, what is currently in the OwnHammer product catalog is from this earlier time period, built for an earlier version of the Nebula platform, and is the current state of availability for what is an unknown and unpredictable period of time.

Minimum required version for the available legacy libraries:

The bulk of what was developed during the years of activity was using and requiring of the COMMERCIAL version of Nebula 2/3, v.1.3.492 and v.1.3.504. The Nebula Free platform would/will not load these files.

New Nebula version compatibility, such as Nebula 4:

These libraries have not changed, nor been updated since release. If Nebula 4 is backwards compatible to load these kinds of older files, then the answer is yes, if it is not, then the answer is no. This is not something we have control over, nor are we in a position to actively keep up with the correct answer.

To this end, legacy products are no longer actively supported, and should be purchased in consideration that they may not, or may one day cease to function, and that we will not be in a position to update them to do so if action is required on our part.

Will OwnHammer make new Nebula libraries?

We surely hope so, as we have nothing but love and respect for the folks at Acustica, and have high appreciation for our relationship with them in the past during our period of activity. At this time, however, there is not a definitive answer to this question that can be provided, as the Nebula platform has changed and advanced quite a bit since OwnHammer was making Nebula programs and there are many variables at play.


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Any and all third party companies and products listed or otherwise mentioned on this site may be trademarks of their respective owners and are in no way affiliated or associated with OwnHammer, LLC. Product names are referenced solely for the purpose of identifying hardware used in the equipment chain for impulse response capture or are examples of companion products. Use of these names does not imply any cooperation or endorsement.