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Tonelux EQ4P Module – No Longer Available

Discrete parametric EQ module
MFR# EQ4P

Product Description

The Tonelux EQ4P is a DISCRETE Parametric Equalizer with some very unique features. Notice that the panel has no Q control. The filter Q control is in relation to the Boost and Cut control, and uses a "Constant Energy Curve" that keeps the bandwidth wider at lower boost or cut levels and becomes narrow at higher boost or cut levels. This is musically pleasing. The curve is identical to many classic equalizers and is one of the reasons they are preferred over newer designs. When the PEAK button pressed, the 3 yellow "peak" buttons keep the width at a constant 1/3 octave for more precision control.

The High Frequency has a Shelving button instead of a Peak button. Since the Constant Energy Curve is so broad in the lower frequencies, there is no need for a low frequency shelf button.

With 4 bands of controls, each of the lower 2 have slightly different frequencies, allowing the lower band to go to 16 Hz, and the upper 2 bands are identical. The IN button is a silent IN/OUT button that does not bypass the unit, but it bypasses the filters.

Product Specifications

Condition New
Tube or Solid State Solid State
Channels Single-Channel
Chassis Other Module
Module Type Tonelux Module
Digital I/O No
EQ Type Parametric

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I would like to thank VK for the wonderful sales assistance, service and prices. This was my first purchase with you and it won't be my last. I only wish I'd discovered you years ago!
Matthew R.
I had two Grammy wins this year - Ray LaMontagne & Carolina Chocolate Drops. Both made with help from Vintage King!
Ryan F.
In almost 20 years in Pro audio buying, never did I receive a unit so well packed and exactly as described. Works flawlessly. The whole process has been so smooth. I will never hesitate to do business with you guys in the future and will recommend you to everyone I know.
Martin C.
This was my first experience buying something from Vintage King (although I surf the "used" categories on the website frequently!), and, despite being on the other side of the world, I had absolutely no trouble and everything went very smoothly.
Phil T.