EQ & Filtering

The dbx 530 Parametric EQ offers a unique degree of equalization flexibility in the popular 500 Series format. Based upon the classic dbx 905, the dbx 530 is an uncompromising equalizer offering...

Wunder Audio Allotrope EQ The Wunder Audio Alloptrope EQ is a classic inductor-based baxandall equalizer with has the same EQ circuit as the Wunder Audio PEQ2. All aspects of this design from the...

Introducing the Vacbax tube equalizer module.Buttery smooth Baxandall style tone control in a fully compliant all-tube 500-series module.

EQ355 Dual 31 band EQThe Model 355 Dual 31-Band 1/3 Octave Graphic Equalizer may be used in a variety of applications such as live sound, recording studios, instrument racks, DJ sound systems and...

EQ351 Single 31 band EQART's 351 Single Channel 31 band 1/3 octave graphic equalizer features: constant Q circuitry with a 3% center frequency accuracy, 20mm center detent sliders, selectable...

EQ341Dual 15 band EQART's 341 Dual Channel 15 band 2/3 octave graphic equalizer features: constant Q circuitry with a 3% center frequency accuracy, 20mm center detent sliders, selectable boost/cut...

The B15 is a unique gyratory circuit with a transformer balanced input and output.Sonically, it provides a sonic texture between the punchier sound of 312 and colored sound of 1073, while providing...

The EQ-1NV (one channel equalizer) greatly modernizes the classic British “1081/1083”-type design. This “desktop” (and rackable) digitally controlled analog parametric EQ offers similar topology to...

CHANDLER LIMITED furiously enters the 500 race with its new line of 500 Series Modules for your favorite lunch box! Using all discrete circuits that combine Chandler’s best designs with the hottest...

A two-band program EQ with stepped controls. Designed to work in standard “500″ racks. The LILPEQr emulates the colorful 3D richness and useful responses of our favorite vintage tube (aka valve)...

The first run is limited to 250 units.... Warm Audio has carefully re-created the most renown tube Equalizer in studio history at an unheard of price.  Not only does the look and feel of the EQP-WA...

The 73EQ JR is a fully featured Line Input module for the 500 Series. It not only shares the 3-band Equalizer with his big brother, the 1073, but also shares the same transformer coupled line preamp...