TK Audio TKlizer 500 Series Stereo EQ

500 Series Mastering EQ from TK Audio - Baxandall Style!

Nice features like selectable shelving or bell on High and low bands filters.

TK-lizer also has a built-in M / S function, so you have the opportunity to process Mid and Side separately. You can also influence the stereo width of music by using the level controls in M ​​/ S mode.

TK Audio is known for their extremely high quality at very cheap prices. TK-lizer is no exception…

spec:
Dual mono 3-band Baxandall style EQ.
12dB octave high pass filter (the highest HPF frequency 100Hz which is for mono-ing bass in M ​​/ S mode, this frequency can easily be changed by the customer).
All controls are stepped for repeatability and easy channel tracking.
Broad Q.
High and Low band selectable between shelving or bell.
Built in M ​​/ S function.
Electronically balanced inputs and outputs.
Max output level before clip: 27dBu.
Mains 115v or 230v (not selectable).
And as usual, it's handbuilt in Sweden!

Controls:
Low freq: 28Hz, 48Hz, 72Hz, 132Hz, 195Hz, 255Hz, switchable between shelf or bell.
Mid freq: 400Hz, 630Hz, 870Hz, 1.3kHz, 2.4kHz, 7.2kHz. (picture shows 720Hz not 870Hz)
High freq: 4kHz, 7.2kHz, 12kHz, 16kHz, 20kHz, 25kHz, switchable between shelf or bell.
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.
Switch for separate monitoring of the mid or side signal.

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