synth from “jump” by van halen | ToneDB

jump

van halen

synth

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Tone Profile

A majestic, powerful, and instantly recognizable polyphonic synth brass sound, characterized by its bright attack, rich detuned oscillators, and spacious reverb.

Signal Chain

Instrument: Oberheim OB-Xa Synthesizer

Amp: Direct Input (to mixing console)

Processing: OB-Xa internal stereo chorus/ensemble, Studio Reverb (e.g., Lexicon 224 or similar large hall/plate)

Other: Main riff features portamento/glide. Synth likely utilized OB-Xa's stereo outputs or was processed for a wide stereo image.

Recording Notes

  • Recorded by Donn Landee at Eddie Van Halen's 5150 Studio in 1983.
  • The Oberheim OB-Xa was a key instrument on the '1984' album.
  • The synth sound was achieved by Eddie Van Halen, who composed and performed the part.
  • The synth was likely fed directly into the mixing console, then processed with outboard reverb.

Recreation Tips

  • Use a synthesizer (hardware or software VST) capable of emulating analog polysynths, specifically the Oberheim OB-Xa.
  • Start with two sawtooth oscillators per voice.
  • Slightly detune the oscillators against each other to create a thick, phasing sound (e.g., one oscillator +7 cents, the other -7 cents).
  • Use a low-pass filter (24dB/octave if available) with a filter envelope shaping the sound: quick attack, medium decay, moderate sustain, and short release to create a brassy 'blat'.
  • Set the filter cutoff to a relatively high value to maintain brightness, and apply envelope modulation.
  • Apply a rich stereo chorus effect; the OB-Xa had a distinctive built-in chorus.
  • Add a spacious hall or plate reverb with a medium to long decay time (2-3 seconds).
  • Enable portamento/glide with a short time (around 50-100ms) for the characteristic slides in the main riff.
  • Ensure the final sound has a wide stereo image, either through stereo synth outputs, chorus, or reverb.