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Mix delivery formats explained

Confusion about mix delivery wastes revision rounds. Here is what you get by default, which formats suit Dutch streaming platforms, and when to request stems.

Published · 6 min read

Engineer hands a hard drive to a musician in control room.

What “done” means here

A finished mix is a stereo file with balance, EQ, dynamics and space aligned to your song, within 2 feedback rounds per terms. That is the deliverable for Mixing at €285 per song (up to 48 tracks) or €720 for four songs.

“Done” is not automatically master-ready: peaks may still leave headroom for Mastering. Need a loud demo master? Say so in the brief and we adjust ceiling and export profile within sensible limits.

Stereo delivery

Default export: 24-bit WAV at 44.1 kHz or 48 kHz matching your source project. We include an uncompressed file and sometimes an AAC or MP3 reference for phone checks — not a substitute for the WAV archive.

Filename pattern: artist_title_mix_v1 date. Version numbers keep email threads readable. Once v3 is approved, older bounces stay archived only on request within our 6-month retention.

Instrumental versions (no lead vocal) ship on request as a separate file — useful for video or karaoke. Tell us which tracks stay muted in that bounce when you send the session; otherwise we follow the written brief.

Stems and multitrack

Stems are grouped tracks (drums bus, bass, guitars, vocals) as separate time-aligned WAV files. Useful for sync, remix or live playback. Not included in the per-song rate by default — request stems in the quote so we schedule export time and folder layout.

Full multitrack from tracking differs from mix stems: raw sessions follow recording archive rules. Mix stems come from the mix session and may include bus processing.

Hourly mix work in-studio (€88) suits long albums where per-song pricing is awkward; tell us track count early so we quote the right model.

Loudness and streaming

Spotify, Apple Music and other platforms normalise around −14 LUFS integrated (varies by service). A mix already at −8 LUFS often sounds smaller after normalisation. We keep mix bounces conservative unless you explicitly want a loud pre-master.

Final loudness targets belong in mastering — €98 per song — with controlled true peak for AAC/MP3 encoders. See mastering and rights for the handoff.

Native DAW sessions?

We share Pro Tools or other native sessions only by agreement. Plug-ins differ; without identical licences the session will not recall at your home studio. Bounces and stems are the reliable cross-studio format.

If you continue in Logic or Ableton, ask for 32-bit float WAV stems — heavier files, easier further mixing. Send your DAW and version via contact before export.

Transfer and storage

Secure download links after approval; large packages can go on an external drive when you collect at Van Ostadestraat 184, Amsterdam. Spot-check tracks after download — copy errors are rare but annoying.

Project files remain 6 months. After that we clear storage unless you buy an extension. See privacy policy for processing; unreleased material may be sent as password-protected zip.

Working across time zones? We usually reply within 1 business day on mix notes via [email protected]. Timestamped comments (“from 1:42 only vocal comp”) often save an extra revision round.

Checklist before sending a mix

  • Label tracks clearly (Kick In, Bass DI, Lead Vox dub 2).
  • No unintended master bus processing.
  • State tempo, key and reference tracks.
  • Specify delivery: stereo WAV, stems, instrumental.
  • Budget mastering: €335 for a four-track EP.

Bring a drive with free space if you collect stems in person at De Pijp.

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