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The rack
Built like hardware.
Walnut frame, amber VU needles and real-feeling knobs — in a window you can resize from compact to full screen.
Resizable UICompact modeBypass
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The signal chain
Five modules. One pass.
- 01
Stereo Imager
Mid/side width from 0% mono to 200%.
- 02
1073N-inspired EQ
Warm console EQ with Auto Resonance.
- 03
Multiband Compressor
Tame each band without killing the punch.
- 04
Stereo Compressor
Alpha-inspired glue, stereo linked.
- 05
Limiter + LUFS
Loud and clean, metered to target.
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Free AutoMaster
Listen 20 seconds. Done.
- 01Listen 20s
- 02Analyze free
- 03Apply settings
Analyzes locallyNo loginNo credits
Optional ChatGPT / OpenAI API suggestions.
-7.0
LUFS target
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SMA Mastering Rack
$15USD
One-time. Yours forever.
- All 5 mastering modules
- Free local AutoMaster
- VST3 plugin + standalone app
- Resizable interface
Instant downloadWindows x64
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Producers say
“The AutoMaster got my beat to streaming loudness in seconds. Then I tweaked the EQ by ear.”
“Feels like a hardware rack. The imager and LUFS meter alone are worth the $15.”
“Finally a mastering chain that doesn't need a subscription or a login.”
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Give your mix
the final polish.