Alchemy source master controls in Logic Pro for Mac

Source components are shown only in advanced view. Click the Advanced button to switch to advanced view.

Figure. Global, A, B, C, D, and Morph buttons.

At the left of the source section are six buttons: Global, A, B, C, D, and Morph. Indicators to the left of each button denote the following: blue = active source, green = morphing enabled for the source.

Source mode buttons: Click Global to view all sources. Click A, B, C, or D to view a single source. Click Morph to use morph mode. Option-click A, B, C, or D to view and solo the source.

When the Global button is on, the source master controls are displayed. The main filter and master voice controls are also displayed when Global is active. See Alchemy main filter controls in Logic Pro for Mac and Alchemy master voice section in Logic Pro for Mac.

When the A, B, C, or D button is on, the subpage controls for the selected source are displayed. See Alchemy source subpage controls in Logic Pro for Mac.

When the Morph button is on, source morphing parameters are displayed. See Alchemy morph controls in Logic Pro for Mac.

The source select field in each source does double duty as a VU meter that shows the current output level from the source into the main filter section. When the output level exceeds 0 dB, it clips the input of the main filter section, and the VU meter turns red. This is useful for quickly determining the cause of unwanted distortion.

Note: Sources can also be routed directly to the Effects section, bypassing the main filters. The VU meter is shown regardless of the source output destination.

Source master controls

A/B/C/D buttons: Turn the source on or off. Option-click to solo a source.
Source select pop-up menu and field: Displays the name of the current source audio data. Click to open a pop-up menu with source content handling commands. Click the Previous and Next buttons (the arrows) to step through available waveform data. This field also acts as a VU meter during playback.
- Import Audio: Import audio data into the element. You can also drag and drop audio from Logic windows (Main window, Loop Browser, File Browser), use the Alchemy Import browser in Logic Pro for Mac, or hold Command to drag and drop audio files from Finder.
- Load VA: Load waveform data into the VA element. This automatically enables the VA element and disables all other synthesis engines for this source. See Alchemy VA element controls in Logic Pro for Mac.
- Load Source: Load source data from disk. Data is in SRC file format. Loaded data includes all source control settings and a reference to any loaded or imported audio data. Source control modulations are not loaded as part of the SRC file.
- Save Source: Write source data to disk in SRC file format. Saved data includes all source control settings and a reference to any loaded or imported audio data. Source control modulations are not saved as part of the SRC file.
- Copy Source: Copy source data to the Clipboard. This is useful for duplicating the content and settings of one source in another. Copied data includes settings of all source controls and a reference to loaded or imported audio data. Source control modulations are also copied.
- Paste Source: Paste source data from the Clipboard.
- Clear Source: Reset the source to the default state.
- Randomize Source: Apply random variations to source controls, depending on active elements in the source.
- Swap With Source: Choose a source to swap with the current source. This enables you to quickly experiment with the parameter settings of the two swapped sources.
Vol knob: Set the source output level (-inf dB to 0 dB).
Tune knob: Tune the source in semitone increments. A further Fine Tune control is available on each source subpage. See Alchemy source subpage controls in Logic Pro for Mac.
Pan knob: Set the source output position in the stereo field. This parameter works as a pan control if the source Stereo button is off or as a left/right balance control if the source Stereo button is on.
Send knob: Set the source output balance (post source filters, if used) sent to the destinations specified with the Send pop-up menu.
Send pop-up menu and field: Determine where the source output is sent (post source filters, if used). This is the send from each source panel to the main filters and/or the effects rack.
- F1/F2: Source output is routed to main filters 1 and 2. The balance between these targets is set with the Send knob.
- F1/FX A/B/C/D: Source output is routed to main filter 1 and effects rack A, B, C, or D. The balance between these targets is set with the Send knob.
- F2/FX A/B/C/D: Source output is routed to main filter 2 and effects rack A, B, C, or D. The balance between these targets is set with the Send knob.
  Note: Signals sent to effects rack A, B, C, or D destinations bypass the main filters when the Send knob is set to the full-right position. See Alchemy effects overview in Logic Pro for Mac.

Download the guides:

Logic Pro User Guide: PDF

Logic Pro Instruments: PDF

Logic Pro Effects: PDF

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Logic Pro User Guide for Mac

Alchemy source master controls in Logic Pro for Mac

Source master controls