Project Description

  • 3 Baxandall bands with low Q.
  • High and low bands switchable between shelf or peak.
  • High Pass filter.
  • All controls stepped for easy recall.
  • M/S circuit.
  • Electronically balanced for a clean path.

The TK-lizer is a Baxandall type of EQ, high and low bands are selectable between shelving or peak, very useful for tuning of your low’s, mid’s and high’s. 
The EQ also has a built-in M/S function which let you process the mid and side signals separately.
You can also affect the stereo width of your music by using the level controls in M/S mode.

We like to thank Wayne Kirkwood at KA Electronics for letting us use his genius M/S circuit!

THD+N @ +4dBu: 0.003%
THD+N @ +26dBu: 0.0013%
THD @ +4dBu: 0.002%
THD @ +26dBu: 0.0013%
Frequency response: 20Hz-20kHz: +/-0dB
Frequency response: 20Hz-80kHz: -0.3dB
Max input level: +26dBu
Max output level before clip: +27dBu

Low freq: 28Hz, 48Hz, 72Hz, 132Hz, 195Hz, 255Hz, switchable between shelf and peak
Mid freq: 400Hz, 630Hz, 870Hz, 1.3kHz, 2.4kHz, 4.8kHz
High freq: 4kHz, 7.2kHz, 12kHz, 16kHz, 20kHz, 25kHz, switchable between shelf and peak
HPF freq: 25Hz, 30Hz, 35Hz, 40Hz, 45Hz, 100Hz, -12dB/octave
Boost/cut: -4dB, -3dB, -2dB, -1dB, -0.5dB, 0dB, +0.5dB, +1dB, +2dB, +3dB, +4dB
Level: -4dB, -3dB, -2dB, -1dB, -0.5dB, 0dB, +0.5dB, +1dB, +2dB, +3dB, +4dB
EQ: in/out
M/S: in/out
Cue switch for separate monitoring of the mid or side signal
Regulated, internal power supply with a toroidal transformer
Selectable between 115 and 230V

Specifications and components may be changed or updated without further notice.


Recall sheet

Front TK-lizer (jpg)
Front TK-lizer (png)
Front TK-lizer (eps)

Audio Clips:

Unmastered track, only peak limited.

Original audio file.

Clip 1. -0.5dB at 195Hz / -0.5dB at 1.3kHz / +1dB at 20kHz / HPF 30Hz

Clip 2. -0.5dB at 195Hz / -0.5dB at 2.4kHz / +1dB at 20kHz / HPF 30Hz

The audio file is a part of the song “Calling” from the album “In this skin” by Swedish artist Mary Jet / Mariette, Solid Union 2008.

Piano 1. +2dB at 2.4kHz / +4dB at 4kHz / HPF 30Hz

Piano by Mattias Hjelm

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