Equalizers

The 550b is the most famous equalizer in the world. Using the all discrete 2520 op-amp, the 550b provides the most sought after sound in the recording industry.

The 560 is the most famous graphic equalizer in the world. Using the all discrete 2520 op-amp, the newly revised version of the 560 provides ten proportional "Q" slide fader bands.

This often-copied equalizer has become a standard in studios around the world.

The API 215L is a unique passive, sweepable filter, designed specifically to contour the sound in such a way that it sounds natural.

The lineage of the 5500 circuit can be traced back to the original 550 equalizer designed by Saul Walker, the founder of Automated Processes Inc.

The Arsenal V14 is an extremely high quality, single channel 4-Band Equalizer designed for the popular API VPR500 rack format.

The Arsenal R24 Dual Channel, 4-band equalizer, features two identical channels of equalization in a rack mounted unit with internal power supply.

The Tone Control uses active AND passive EQ circuits in combination with the GERMANIUM amplifier developed for the GERMANIUM Pre.

The EMI TG12345 Curve Bender is the ultimate TG equalizer issued in celebration of the 75th birthday of Abbey Road Studios.

Instead of daisy chaining EQ's and frequency processors, we tried to cram most of what an Engineer needs into one single-height box, while offering the highest performance of any design we know of.

This equalizer will change the way you think of eq. It's smooth and sweet, and can be very subtle at mild settings, but quite strong with aggressive use of the controls.

The Langevin Mini Massive is the little brother to Manley’s Massive Passive EQ.

Manley Laboratories is the only authorized user of the original Western Electric passive EQ circuitry previously licensed to Pulse Techniques Inc.

Manley Laboratories is the only authorized user of the original Western Electric passive EQ circuitry previously licensed to Pulse Techniques Inc.

The MASSIVE PASSIVE is a two channel, four band equalizer, with additional high pass and low pass filters.

Specially useful for midband oriented instruments such as guitars, vocals, harmonicas, and violins.

The NSEQ-2 is a two channel, four-band parametric equalizer offering fully Class-A operation via discrete J-FET transistors or all triode vacuum tubes selectable with the touch of a button.

All tube EQ, similar to Pultec EQP-1A.

Full range mono all tube equalizer.

Same as EQ-1A with rotary switches instead of pots.

The PQ is a fully parametric, dual-channel 5-band equalizer.

The Qure is a 2-channel, parametric, 3-band EQ, ideally suited for demanding tonal shaping of individual instruments, voices and complex musical signals.

The Tube Vitalizer is the top-of-the-line in the Vitalizer family from SPL.

The MK2-T (model 9739) represents the tube version of the best selling Vitalizer model, the Stereo Vitalizer MK2 (model 9526).

Solid-state version of the SPL Vitalizer.

The Passeq complements our parametric Equalizers Qure and PQ 2050 by a classic design with passive coil filters and perfectly fulfills the highest expectations in all areas of audio processing, from recording through mixing to mastering.

EQ module for the bass range with 8 passive boost/cut filters and dry-/wet control.

EQ module for the mid/vocal range with 8 passive boost/cut filters and dry-/wet control.