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Message: [QUOTE="Bombastus, post: 91955, member: 2178"] Studio One’s pre-fader send ignores the source channel fader, while a post-fader send follows every level move you make there. The switch looks small, but it decides whether your send remains independent or changes with the dry channel. Pick the wrong mode and a simple fader move can alter the balance you thought you had already set during a real mix. A send also has its own level control, so pre-fader does not mean uncontrolled or full-volume. You still decide how much signal reaches the destination, whether it is an FX return, parallel bus, or another routing target, without directly touching the dry output. Once your [B][URL='https://goldmidi.com/community/threads/expagorate-the-difference-between-a-bus-channel-and-an-fx-channel.4977/']bus channel and FX channel routing[/URL][/B] is set, the pre/post switch decides whether the source fader participates in feeding that destination. It is a signal-flow decision, not a different type of effect or a different destination. Mixer designs formalize the distinction with [B][URL='https://patents.google.com/patent/US20190158201A1/en']separate pre-fader and post-fader signal takeoff points[/URL][/B] on opposite sides of the channel fader. [HEADING=2]Post-fader keeps effects attached to your mix moves[/HEADING] Post-fader is usually the sensible choice for reverb and delay sends because the effect feed follows the source fader. Pull a vocal down by 6 dB and its post-fader reverb feed also falls with it. The wet sound therefore tracks the dry level instead of hanging at the old send level. This matters more once automation starts moving channels around during a dense mix. A chorus vocal pushed forward can feed more of the same reverb naturally, while a verse vocal pulled back sends less without requiring a second automation pass. The useful detail is proportional behavior rather than some special sound quality coming from the effect itself. Post-fader does not make a reverb smoother, wider, or cleaner; it keeps the source fader inside the send path, making ordinary balance moves easier to manage. A common mistake is lowering the dry fader and then compensating by raising the send because the effect suddenly feels too quiet. With a post-fader send, both controls affect how hard the destination is being fed. Large moves on both can make the session harder to read later, especially when automation is involved. [HEADING=2]Pre-fader separates the send from the channel fader[/HEADING] Pre-fader is useful when you want the send level to survive changes on the source fader. Pull the source down, and the destination can keep receiving the same amount of signal. This makes it practical for independent feeds and for effects where the wet signal should remain while the dry signal changes. A clean example is a reverb fade where the direct vocal disappears, but the reverb keeps sounding. Set the reverb send pre-fader, establish the effect level with the send control, then lower the dry channel. Parallel processing can use the same independence, although it needs more care because two gain paths now move separately. If a heavily compressed parallel path is fed pre-fader, moving the dry channel changes the dry-to-parallel balance even when the send control never moves. Sometimes that is exactly the point, but it is easy to mistake the resulting level shift for a compressor problem. Switching an existing send from post-fader to pre-fader can create an immediate level change when the source fader is not sitting at unity. A source parked 12 dB below unity has already lost 12 dB before a post-fader send sees it; moving the tap before the fader removes that attenuation from the send feed. [HEADING=2]Studio One’s send tap still comes after your inserts[/HEADING] Studio One adds one detail that generic pre-fader explanations often miss during troubleshooting. Its send source remains post-inserts even when the send itself is set pre-fader. A compressor, EQ, saturator, or other insert on the source channel can therefore change what reaches both pre-fader and post-fader sends. Pre-fader is not a bypass around your insert rack or channel processing. If a compressor has already reduced a vocal peak, the pre-fader send receives the processed result rather than the raw signal that entered the channel. The send level remains separate from the channel fader in pre-fader mode, so you can trim the destination feed without disturbing the main mix. Studio One also gives the send its own pan control, which matters when the destination should receive a different stereo position from the dry path. Keep an eye on each stage when troubleshooting unexpected level changes because the insert chain, send level, send pan, and source fader are separate decisions. [/QUOTE]

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