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OPx-4
User Guide
English
Manual Version 1.1

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Summary of Contents for Air OPx-4

  • Page 1 OPx-4 User Guide English Manual Version 1.1...
  • Page 2 2 LFOs • 2 ramps • 3 insert effects slots and 2 global effects slots with dynamic effects. Choose from a huge library of 27 AIR effects plugins including reverbs, delays, modulation, and distortion. • Modulation matrix with 32 slots •...
  • Page 3: Operation

    Operation Overview Setup Section Global Controls, Macros Operators Global / and FM Sample Matrix Filter 1/2 LFO 1/2 Utilities Envelopes 1–6 Modulation FX 1–3 Global FX Bus Mix 1–2...
  • Page 4: Setup Section

    Setup Section 1. Keyboard: Click this icon to enable or disable the virtual keyboard. When enabled, you can click these keys to input notes, or view notes being played on an external MIDI device. 2. Tempo: Displays the current plugin tempo. To change the tempo: •...
  • Page 5 Global Controls and Macros Parameter Description Value Range Mix & FX Toggles the main view between the Operators Off, On and the Mix & FX parameters. Macros These eight macro controls are unique to each Varies preset. Stereo panning of the instrument. L64 –...
  • Page 6 Operators and FM Matrix Parameter Description Value Range Operators 1–4 Enables or disables the selected voice. Off, On Ratio As the ratio doubles, the sound goes up one 0.0000 – 64.0000 octave. For instance, if your starting note is C3 (Ratio 1.0000), a Ratio of 0.5000 results in C2, a Ratio of 2.0000 results in C4, and so on.
  • Page 7 Global / Sample Click Global to view and edit the global settings for the plugin. Click Sample to view and edit the settings for the sample layer. You can use this to add a sampled audio clip as part of the synthesized sound. Parameter Description Value Range...
  • Page 8 Filter 1/2 Parameter Description Value Range Type Enables and sets the type of filter applied. Off, LP4, LP3, LP2, LP1, BP2, BP4, HP2+LP1, • LP: Low Pass HP3+LP1, HP4, HP3, HP2, • BP: Band Pass HP1, BR2, BR4, BR2+LP1, • HP: High Pass BR2+LP2, HP1+BR2, •...
  • Page 9 Utilities Click the Utilities icon to show these settings in the same area of LFO1/2. Parameter Description Value Range Note Counter 1/2 Notes Number of available voices. 2–16 Mode Determines how voices are triggered within the Wrap, Random, Ping Pong range set in Notes: •...
  • Page 10 Envelopes 1–6 Use these tabs to adjust the six amplitude modulation envelopes. Tap the tab to cycle between each, or tap the envelope icons at the top of the window. In addition to the controls at the bottom of the window, you can also directly tap and drag each envelope point in the graph.
  • Page 11 Envelopes 1–6 (continued) Click the Env Scale button to view the Envelope Scaling options, which allow you to further adjust how much of the envelope is applied. Parameter Description Value Range Delay Adjust the overall Delay envelope amount. 0–100% Attack Adjust the overall Attack envelope amount.
  • Page 12 Modulation The 32 modulation points can be configured to add a wide variety of sound shaping tools. To enable a modulation point, click the power button to activate it. To expand the modulation settings, click each modulation number. Click the X icon to return to the list of Modulations.
  • Page 13 Bus Mix Use this section to adjust the settings for the three bus mixes: The columns represent Operators 1–4, the Sample layer, and the submix Panning. The rows represent the signal path to FX 1–3. Rows 1 and 2 are also routed through Filter 1 and 2, respectively. Row 3 does not pass through either filter.
  • Page 14 FX1–3 Use these sections to adjust the settings for the three available effects slots: Multitap Delay Flanger (vintage) Chorus Highpass Tube Drive Ensemble EQ (3 bands) Compressor Tremolo Phaser Expander Delay Phase (vintage) Click the arrow icon in each FX1–3 slot to select an effect. Click the 1–3 icon to bypass the effect.
  • Page 15 FX1–3 Parameter Description Value Range Tremolo Sync Sync the modulation Rate to the Global Tempo Off, On or turn Off to adjust Rate by Hz. Rate Speed of the modulation. When Sync is Off: 0.25 – 13.00 Hz When Sync is On: 8/4, 6/4, 5/4, 4/4, 3/4, 1T, 2, 4D, 2T, 4, 8D, 4T, 8, 16D, 8T, 16 Depth...
  • Page 16 FX1–3 Parameter Description Value Range Multitap Delay From Select the signal where the feedback is taken Tap 1–5 from. Select the signal where the feedback is sent to. Input, Tap 1–5 Sync Sync the Delay to the Global Tempo or turn Off, On Off to adjust Delay by milliseconds or seconds.
  • Page 17 FX1–3 Parameter Description Value Range Phaser Sync Sync the Phaser Rate to the Global Tempo or Off, On turn Off to adjust Rate by Hz. Rate Speed of modulation. When Sync is set to Off: 0.01 – 10.0 Hz When Sync is set to On: 8/4, 6/4, 5/4, 4/4, 3/4, 1T, 2, 4D, 2T, 4, 8D, 4T, 8, 16D, 8T, 16 Depth...
  • Page 18 FX1–3 Parameter Description Value Range Tube Drive Drive Amount of drive applied. 0–100% Headroom Point at which the incoming signal starts to -30.0 – 0.0 dB distort. At lower settings, the signal will distort even at low volumes. At higher settings, the signal will remain “clean”...
  • Page 19 Global FX1–2 Use these sections to adjust the settings for the two available global effects slots: Multitap Delay Flanger (vintage) Compressor Chorus Highpass Amp Sim Maximizer MultiChorus EQ (Parametric) Talk Box Expander Ensemble EQ (3 bands) FuzzWah Enhancer Temolo Phaser Tube Drive Reverb Delay...
  • Page 20 Global FX1–2 Parameter Description Value Range Tape Delay Tape Head Enables or disables each tape head, which Off, On On/Off 1–4 create multiple delay points. Tape Head Percent from the original Delay value that each 0–100% Delay 1–4 tape head is set to. At 100%, the tape head uses the full Delay amount.
  • Page 21 Global FX1–2 Parameter Description Value Range Output Amount of additional output gain reduction or -20.0 – 0.0 – +20.0 dB (Parametric) boost for the post-EQ signal. Band On/Off Enables or disables the selected EQ band. Off, On Low Cut Amount of frequency drop-off at the low cut 6, 12, 18, 24 dB frequency.
  • Page 22 Global FX1–2 Parameter Description Value Range Flanger Sync Off, On Sync the Flanger Rate to the Global Tempo or turn Off to adjust Rate by Hz. Trigger Enable to manually reset the LFO phase. Off, On Invert Enable to invert the polarity of the flanged Off, On signal, changing the harmonic structure of the effect.
  • Page 23 Global FX1–2 Parameter Description Value Range Amp Sim Cab Model Type of amplifier simulated. D.I., Brit, 1x8”, 1x12”, 2x10”, 2x12”, 4x10”, 4x12”, 1x15” Bass, 4x10” Bass, Radio Drive Amount of drive applied. 0.0–11.0 Feedback Amount of amplifier feedback. 0–100% Output Output level of the amp signal.
  • Page 24 Global FX1–2 Parameter Description Value Range Fuzz Wah Fuzz Enables or disables fuzz distortion. Off, On Drive Level of fuzz gain. 0 – 40 dB Tone Brightness of the fuzz distortion. 1.00 – 10.0 kHz Output Output level of the fuzz signal. -Inf –...
  • Page 25 Global FX1–2 Parameter Description Value Range Overdrive Drive Amount of input volume to overdrive the audio 0–60 dB signal. Mode Set the overdrive mode: Hard, Soft, Wrap • Hard: Provides a sharp, immediate distortion of the signal. • Soft: Provides a softer, more gradual distortion of the signal.
  • Page 26 Global FX1–2 Parameter Description Value Range Decimator Bit Depth Amount of bit depth reduction. 1.0 – 16.0 bit Sample Rate Amount of sample rate reduction. 500 Hz – 50.0 kHz Wet/dry amount of the decimator effect. 0–100% Anti-Alias Enables or disables anti-aliasing. Off, On Adjust the anti-aliasing filter cutoff applied to 0.125 –...
  • Page 27 Global FX1–2 Parameter Description Value Range Expander See FX1–3 description above. Enhancer Low Gain Level of the low frequency enhancer band. 0.0 – 12.0 dB Low Freq Center frequency of the low-end enhancer 40.0 – 640 Hz band. Harmonics Level of harmonic overtones. 0.0 –...
  • Page 28: Trademarks And Licenses

    Gated, Reverse Trademarks and Licenses AIR Music Technology is a trademark of inMusic Brands, Inc., registered in the U.S. and other countries. macOS is a trademark of Apple Inc., registered in the U.S. and other countries. Windows is a registered trademark of Microsoft Corporation in the United States and other countries.