Obxd: free VST plugin synth inspired by Oberheim OB-X By Ben Rogerson (Computer Music) February 19, 2014 Promises its 'sound and behaviour' in software Obxd is a new free Windows VST plugin synth that's based on - but not a direct copy of - Oberheim's OB-X. FREE VST PLUGINS. Size 2 MB eXpando is an Oberheim Xpander emulation. This emulation is inspired by the real unit circuits but is not aiming to sound.

1. Oberheim Xpander Manual
2. Oberheim Xpander Vst Free Plugin
3. Oberheim Xpander Vst Free Plugins
4. Oberheim Xpander Vst Free Downloads

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• Oberheim is a 1.6GB sample library of an Oberheim Xpander and Marion Systems MSR-2(MSR-2 is a Tom Oberheim designed analogue synthesiser) Lots of raw analogue sounds taken from these two analogue synthesiser. Easily create the classic, lush Oberheim pad sounds, rich analogue synth brass, big bass, beautiful electric keys, spacey pads, sound efxs.

The Oberheim Xpander (/ɛksˈpændər/) is an analog synthesizer launched by Oberheim in 1984 and discontinued in 1988. It is essentially a keyboardless, six-voice version of the Matrix-12 (released a year later, in 1985). Utilizing Oberheim's Matrix Modulation technology, the Xpander combined analog audio generation (VCOs, VCF and VCAs) with the flexibility of digital controls logic.

The Xpander 'Owner's Manual, First Edition' describes the technology as this:

'An analogy to the Matrix Modulation system might be all of those millions of wires that existed on the first modular synthesizers. As cumbersome as all of that wiring was, it allowed the user to connect any input to any output, resulting in sophistication and flexibility unmatched by any programmable synthesizer..until now.'

Architecture[edit]

Analog Components[edit]

Each of the six voices of the Xpander is completely independent. That is to say, each could be configured to create a different timbre - this is accomplished via the multi-patch mode which will be described below.

Starting at waveform generation, each voice has two voltage controlled oscillators (VCOs). Each of which is capable of generating sawtooth, triangle, pulse, or noise waveforms. Furthermore, the pulse width can be modulated as well. Although perhaps better known for subtractive synthesis, the Xpander is also capable of frequency modulation (FM) synthesis by modulating VCO #1 with VCO #2. the banner saga download mac

Moving on from the VCOs, the signal then passes through a multi-mode voltage controlled filter (VCF). The available modes on the filter are:

• one-, two-, three- and four-pole low pass
• one-, two and three-pole high pass
• two- and four-pole band pass
• two-pole notch
• three-pole phase shift
• two- and three-pole high pass plus one-pole low pass
• two-pole notch plus one-pole low pass
• three-pole phase shift plus one-pole low pass

From the filter, there are two sequential voltage controlled amplifiers (VCAs) through which the signal must pass. And finally the audio is delivered to a variety of outputs: mono, stereo and six independent outputs (corresponding to the six voices).

Digital Controls[edit]

Of those analog audio components (VCOs, VCF and VCAs), each can be modulated by several different digital controls.

• ADSR Envelopes - each voice can have up to five envelope generators. Each envelope is of the standard Attack-Decay-Sustain-Release model (ADSR), with the addition of an initial Delay phase, thus making them DADSR envelopes, to be exact.
• Low Frequency Oscillators (LFOs) - each voice can have up to five LFOs applied. Each LFO can have a different waveform: triangle, square, up-saw, down-saw, random or noise. Additionally, a sampling mode is provided, whereby an independent source (e.g. a different LFO) is sampled at a set frequency.
• Lag Generator - the lag function is similar to portamento on traditional synthesizers. However, the lag modulation in the Xpander can be applied to any control or audio signal.
• Ramp Generators - each voice can have up to four ramp generators. Similar to the attack portion of an ADSR envelope, the ramp generates a linear signal from zero to the user-defined ramp height.
• Tracking Generators - there are three tracking generators available for each voice. The tracking generator provides a mapping from a control source (e.g. key range on the keyboard, or volume pedal, or mod wheel) to a modified output, based on the user-defined settings of the generator.

Famous users and example uses[edit]

• Vince Clarke - On everything by Erasure until 2005. You can hear it very clearly on the 12' mix of 'Sexuality', for example, at the start, and mid and low end parts (filter sweeps, etc.). He actually has two of them, and used them for the chorus tour in 1991 - 1992, which was mostly old analog synths. On early tours the Xpander was introduced as a member of the band as can be heard on live versions of Oh L'amour.
• Sasha - Whose track 'Xpander' was written in homage to the instrument. That supersaw style sound, originated using the Xpander's filtering and multi/unison and stacking capabilities.
• Nitzer Ebb - Extensive use for basslines on 'Belief'.
• Depeche Mode - Have two of them, and can clearly be heard on everything from It's Called A Heart and Black Celebration onwards
• Steve Roach - Everything from Empetus (1986) on.
• Daniel Miller - Has one in the Mute worldwide programming studio
• Human League - All over the mid 80's period & onward albums
• Juicy Audio Productions(Shekhar Raj Dhain) - Stars of Oryeon Album . Also film & T.V. work.
• Hans Zimmer - Sprinkled on various scores for films.
• Orbital - Everything from the first self-titled album onward
• Tangerine Dream - Everything from Le Parc onward.
• The Chemical Brothers - Can be heard in a lot of their music post 1995
• Meat Beat Manifesto - In a lot of their remixes
• Todd Tamanend Clark - From 1985 to the present.
• Nine Inch Nails - Including an Xpander modified for use with external inputs
• MNDR - 'Feed Me Diamonds' Album
• Ceephax Acid Crew- Used on multiple tracks.
• Sota Fujimori Used one in his college years, as well for many musical productions.
• Ray Lynch^[2]
• Jam & Spoon - Used on the track Stella

References[edit]

1. ^'Oberheim Xpander'. Sound On Sound. January 1998. Archived from the original on 6 June 2015.
2. ^Widders-Ellis, Andy (December 1989). 'Ray Lynch: Exploring the Structure of Music'. Keyboard. 15 (12): 29. Lynch takes five in his home studio..Fostex E-16 tape deck..Yamaha TX7, Roland-550, Super Jupiter with programmer, and P-330..Macintosh and Oberheim Xpander above a Yamaha DX7II, AKG ADR-68k reverb above Fostex 4050 SMPTE generator/audio locator, Soundtracs MIDI mixing board.

External links[edit]

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Oberheim Xpander Manual

Oberheim Xpander Vst Free Plugin

Oberheim Xpander Vst Free Plugins

Oberheim Xpander Vst Free Downloads