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Synth (Analogue / Subtractive) Plugin by mda

JX10 has an average user rating of 3.62 from 13 reviews

Rate & Review JX10

User Reviews by KVR Members for JX10


Reviewed By wikter [all]
June 30th, 2006
Version reviewed: Final on Windows

About this Synth there's a lot of things to be said.
It seems much more based on SH series from Roland but as long as I've not searched along the Roland Keys history I can't say that for sure.

The oscillator section is based on two Pulse (width modulable) oscillators, but the only controls are 2nd Osc detune, 2nd Osc Coarse and Mix. It's a bit limited in comparison with some ones, but in fact, it does the job.
The filter section is a selfoscilating resonant LowPass filter modulated by a very fast envelope with bipolar modulation (positive and negative).
The Amp envelope is also very fast (try short attack and decay time), altough pads can also be achieved by pushing the fader up to the end.
Finally, an LFO that modulates the filter and the oscillator PWM or Pitch. It's a shame that you only have the possibility to modulate one parameter of the escillator, but the fact is that this lack of controls allows this synth to be very easy to understand.

The envelopes are very fast and it's easy to adjust them to fast rates without getting artifacts.
The resonance starts selfoscillation very early when the fader is moved and its sound doesn't matches for Pads os Basses easily.

Altough it do the job with Basses, Pads, Drones, stabs... its sound and play modes (wow, it's polyphonic) gives good classic Leads, arps and glissandos.

And rating the KVR values...

User Interface:
No Gui... Ok, I'm so used to work with no Gui that I can't imagine it out of the Logic faders.

As long as it has no effects, it sounds dry and the presets doesn't help, but adding a flanger+Xdelay gives a more exciting machine. The ease of control also lets you focus on the music, forgetting to adjust tones of controls.

Altough it's feature limited and lack a bunch of parameters, it is fast to understand and tweak, and very low on CPU usage. Also, the voice modes helps when searching classic sounds.

Forget about it. Not needed

Useful when you need to create a new sound, but not specially inspiring.

Customer support:
Unknown and unneeded.

Value for money:
Freeware. It costs a download.

On Logic, I've found two kind of problems, it can clip Equalizer bands inserted after it and sometimes it stops sounding... in fact, it stops sound when an eQ after it is clipped. Well it only happens tweaking it while it's played, but it's a shame that it happens (altough it happens rarely)
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Comments & Discussion for mda JX10

Discussion: Active
2 June 2013 at 11:03pm

The best free analog sounding VST ever.

14 November 2013 at 11:31pm

Inspired from the Roland JX-10, this plugin has no GUI (it uses the GUI of your DAW), but... what an amazing sound!!!

For more information about this astounding plugin, here is below in italics an extract of the description from the original page (before he's gone to Sourceforge where he has upgraded all his old plugins, then ported them to 64-bits... and added some new plugins that are not yet in the KVR Database):

"The plug-in is designed for high quality (lower aliasing than most soft synths) and low processor usage - this means that some features that would increase CPU load have been left out!

Additional patch design by Stefan Andersson and Zeitfraktur, Sascha Kujawa.

Please note that the mda JX10 is not related to the JX series of synths available from JXPlugins.

When Vibrato is set to PWM, the two oscillators are phase-locked and will produce a square wave if set to the same pitch. Pitch modulation of one oscillator then causes Pulse Width Modulation. (pitch modulation of both oscillators for vibrato is still available from the modulation wheel). Unlike other synths, in PWM mode the oscillators can still be detuned to give a wider range of PWM effects."

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