To get the Avalon sound, use the LALA (an opto-compressor similar to the one inside the 737) and follow it with the SSQ or Patron (for that smooth, musical EQ).
There are two main "official" emulations: and Kazrog . While they are paid products, you can get them for free using these methods: avalon vt-737 plugin free download
Use a tube saturation plugin (like Analog Obsession BritPre ) to add 2-3% grit. To get the Avalon sound, use the LALA
To mimic the 737 workflow, set up your signal chain like this: To get the Avalon sound
The secret to the Avalon is the 32k "Air" band . Boost your high shelf at 15kHz-20kHz by about 2dB to get that radio-ready sparkle. Final Verdict