The Melbourne Exchange

UADx Pultec EQP-1A EQ

The whole EQ on one page. The knobs are LF boost, LF attenuation, low frequency, bandwidth, HF boost, high frequency, HF attenuation and output. Low frequency clicks through 20, 30, 60 and 100 CPS, high frequency through 3, 4, 5, 8, 10, 12 and 16 KCS, and output has a centre detent. The buttons are EQ in, low frequency again, the HF attenuation select (5, 10 or 20 KCS) and power.

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

Download

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

The layout

Page 1

LF Boost
LF Atten
Low Freq
  • 20 CPS Low F
  • 30 CPS Low F
  • 60 CPS Low F
  • 100 CPS LowF
HF Q
HF Boost
High Freq
  • 3 KS High Fr
  • 4 KS High Fr
  • 5 KS High Fr
  • 8 KS High Fr
  • 10 KS High F
  • 12 KS High F
  • 16 KS High F
HF Atten
Output
ControlNameFeel
Knob 1LF BoostSmooth
Knob 2LF AttenSmooth
Knob 3Low Freq4 detents: 20 CPS Low F, 30 CPS Low F, 60 CPS Low F, 100 CPS LowF
Knob 4HF QSmooth
Knob 5HF BoostSmooth
Knob 6High Freq7 detents: 3 KS High Fr, 4 KS High Fr, 5 KS High Fr, 8 KS High Fr, 10 KS High F, 12 KS High F, 16 KS High F
Knob 7HF AttenSmooth
Knob 8OutputSmooth
Button 1EnableLatching
Button 2Low FreqLatching
Button 7HF Atten FreLatching
Button 8PowerLatching

Details

Made for
Universal Audio Pultec EQP-1A EQ
Works with
Roto-Control
Panel used
8 knobs, 4 buttons
Firmware tested
3.3.0
Added
2026-10-13