The Melbourne Exchange

UADx API 2500 Bus Compressor

Threshold, attack, ratio, release, release shape, link and gain fill the knob bank along with mix. Knee, thrust, type, link shape, comp in and power are on the buttons.

Tested with the device Somebody has run this into the gear it was made for.

Confirmed working by one owner.

Download

Open ROTO-SETUP with the Roto in PLUGIN mode, then File > Import.

The layout

Page 1

Threshold
Attack7 steps
Ratio7 steps
Release7 steps
Release Vari
L/R Link7 steps
Gain
Mix
ControlNameFeel
Knob 1ThresholdSmooth
Knob 2Attack7 detents
Knob 3Ratio7 detents
Knob 4Release7 detents
Knob 5Release VariSmooth
Knob 6L/R Link7 detents
Knob 7GainSmooth
Knob 8MixSmooth
Button 1KneeLatching
Button 2ThrustLatching
Button 3TypeLatching
Button 6Link ShapeLatching
Button 7Comp InLatching
Button 8PowerLatching

Details

Made for
Universal Audio API 2500 Bus Compressor
Format
AU
DAW
Logic Pro
Works with
Roto-Control
Panel used
8 knobs, 6 buttons
Added
2026-09-16