Mastering EQ Studio DMI LA-117

Multirange stereo equalizer especially designed for mastering and mixing use

Studio DMI Edition

Studio DMI


  • The LA-117 “Studio DMI edition” is a multirange analog equalizer especially designed for mastering and mixing use where very precise settings are required.
  • For this purpose, the LA-117 is equipped with super fine tuning controls enabling an easy manual recall without the use of step controls.
  • Inside the LA-117 there are two separate EQs, the first is a Baxandall type and the second is a special 5 band Parametric unit.
  • The order of the LA-117 Parametric and Baxandall EQs within the signal flow is interchangeable. The interactions between the two equalizers enable the LA-117 to execute any kind of acoustic correction.
  • Each parametric band splits the frequency control in two different ranges so that 10 bands can be used. Moreover, the LA-117 features a “solo” control for parametric eq sections that improves the filter usability. This feature is not found in any other analog parametric EQ on the market.
  • The parametric unit is based on a special innovative technology designed by Livio Argentini, different from other parametric equalizers on the market. The LA-117 uses a parallel configuration that produces very low distortion, low noise end extremely low phase rotation.
  • The extremely large bandwidth ( more than 300 KHz ) provides a very fast transient response and an extraordinarily natural sound unrivalled in the market.
  • The very linear ( instrumental type ) electronic balanced amplifier, without transformers or servo-amplifiers, allows for a perfect square wave response and absolutely no timbric alteration in the sound.
  • Double gold plated contact connectors.
  • Many critical components, like potentiometers, are duplicated and connected in parallel to assure long life, maximum reliability and precision.
  • Switching is made by gold contacts and sealed relays.
  • The LA-117 use short actuator toggle switches to avoid accidental operation when adiacent knobs are operated.
  • The special modular construction allows for a quick servicing and an easy customisation.
  • The insertion of a MID-SIDE matrix ( suggested by Luca Pretolesi ), and the external insert capability, transform the LA-117 in a complete audio Hub.

Technical data

LA-117 General

Input (EQ / Insert Return) Electronically balanced - Impedance 10 kOhm - Normal Level +4 dBu, Max +28 dBu
Output ( EQ / Insert Send) Electronically balanced - Impedance 100 Ohm (minimum external load 600 Ohm) - Normal Level +4dBu, Max +28 dBu
Bandwidth 4 - 350.000 Hz 0/-1dB, perfect square wave up to 50 kHz
Distortion + Noise <0.005% ( typical 0.001 %)


Construction 19" 4U rack mount metal box
Number of Modules 14+4
Dimensions W 483 mm / 19”, H 177 mm / 7”, D 317 mm / 12.5”
Weight 10 Kg / 22 lb
Contacts Double gold plated


Linear Regulator Balanced Toroidal Transformer
Operating Voltage 220V 50 Hz / 110V 60 Hz
Power Consumption 60 W
Voltage Output ± 18 VDC 400 mA, 24 VDC 400 mA


Audio XLR type
AC mains IEC C13 16 A