Showing all 29 results

MSRP: $1,499.00

Proprietary THD implementation and flexible DAW/Live plug-in control for instant recall.

MSRP: $1,499.00

Essentially Noiseless parameter changes and proprietary THD implementation.


Four Band 500 Series Eq, Selectable Hi Freq 8/12K 2 Sweepable Mid Bands 1 to 15K and 100 to 1.5K, Selectable Lo Freq 60/120Hz, 50Hz Hi Pass Switch, Peak Overload LED & a Bypass Switch.


A distinguishing feature of both the original A-Range console and Trident 500 Series A-Range EQ – 2 Space Module, is the use of faders for level adjustment, rather than rotary potentiometers. The mid frequency EQ sections are “peaking”, while the high and low frequency sections are “shelving”.


500 Series 3-band Selectable Indutor EQ Module


500 Series 3-band EQ with 5 Selectable Frequencies Per Band, Jensen Input and Output Transformers, and Avedis 1122 Op-amps


500 Series 10-band Graphic EQ with Transformer-balanced Signal Path, Highpass and Lowpass Filters, and 2520 Style Op-amp


The PARAMETRIC EQUALISER 512 is a compact 500 Series 4 band fully parametric equaliser based on channel strip originally provided in the legendary MIDAS HERITAGE 3000 mixing console.

MSRP: $1,049.00

The xfilter 500 is a true linked stereo EQ in the 500 series format. It gives you the expensive sound of an all class-A equalizer in a surprisingly affordable package.

MSRP: $350.00

Analog Phase Tool and EQ

MSRP: $1,375.00

EQ Module with Treble and Bass Shelf, Hi- and Lo-mid 7-selection "Q" Switching, and 3-position Filter, for the 500-Series Rack


500 Series EQ Module from Purple

MSRP: $799.00

500 Series Dynamic Ladder Filter


500 Series Tube EQ with Dual-triode Circuit, High/Low Shelving, and Lowpass Filters.

MSRP: $1,179.00

500 Series EQ Module


500 Series EQ

MSRP: $629.00

500 Series EQ Module

MSRP: $1,195.00

500 Series Equalizer Module

MSRP: $1,175.00

Discrete Single Channel Pultec-style 3 Band EQ for the 500-Series Rack


E-Series 500 Format EQ Module

MSRP: $1,295.00

Features Four bands, Reciprocal and repeatable filtering, 12 dB of boost/cut per band, EQ band 1 and 4 offer shelf/peak switching, fully discrete circuit design, High headroom +30 dB clip level.

MSRP: $1,195.00

It offers 3 bands of classic API equalization, Reciprocal & repeatable filtering, Maximum 12 dB of boost/cut per band, shelf/peak switching, fully discrete circuit design, High headroom +30 dB clip level.

MSRP: $895.00

500 Series 3-Band EQ

MSRP: $595.00

Features, Sweepable low pass and high pass filter, Variable notch filter, Individual bypass switches for each filter section, Transformer Balanced Output, Traditional API fully discrete circuit design.

MSRP: $945.00

Features, 10 bands of API proprietary equalization, Familiar graphics operation on one octave centers, 12 dB of boost/cut per band, "Proportional Q" narrows filter Q at extremes, Center detent for reliable reset, Silent bypass button.


Discrete Two-Stage Transformer Balanced Mono Microphone Preamp & DI - for the 500 Series Rack


Inductor EQ


A ten-band inductor-based graphic EQ – Designed to work in standard 500 series racks.

MSRP: $599.00

4-Band Multi-Topology EQ

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