Solid State Logic E-Series EQ 500-Series Module

Solid State Logic

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Product Code: 9999-13111
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The Solid State Logic E-Series EQ 500-Series Module is the legendary 4000 E-Series channel EQ with its classic gritty tonal response in a 500 Format Module. It switches between "Brown" and "Black" EQ response curves, each offering their own tonal character.

The Solid State Logic E-Series EQ 500-Series Module reproduces the legendary sonic signature of an early 80's classic, the Solid State Logic SL 4000 E console channel strip, which has featured on countless classic recordings from the 1980's to the present.

The Solid State Logic E-Series EQ 500-Series Module features two different EQ's found on editions of the console produced between 1981 and 1989. Each EQ has unique response curves and tonal character. Historically the type of EQ fitted in an individual console was distinguished by the colors used on the LF knob caps so the two flavors have become known as the 'Brown' and 'Black' EQ's. On the Solid State Logic E-Series EQ 500-Series Module you can switch between these two different flavors of EQ that have been loved by generations of professional producers.

The 'Brown' EQ, featured on the discontinued SSL E-Signature Channel Strip, is now uniquely available on the Solid State Logic E-Series EQ 500-Series Module.

A Little SSL EQ History
Prior to 1987 SSL used the colour of the Low Frequency EQ knob caps to indicate which type of EQ was fitted. All consoles were custom built and could feature different combinations of EQ module. The following colour codes apply:

  • E-Series BROWN: The original SSL EQ fitted to all consoles prior to the summer of 1985. Despite the rumours these equalisers only came in one version. The EQ card was called the '02'.
  • E Series ORANGE: The infamous EQP equaliser. This was a variation on the Brown EQ with controls simulating the curves of a valve type EQ. Very few were sold. This card was named the '132'.
  • E-Series BLACK: The last version of the standard E series EQ. It evolved in the early 1980's from discussions with many top engineers and proved very popular. The EQ card was called the '242'.
  • G-Series: With the arrival of the G Series console in 1987 the colour coding was abandoned and the classic SSL end cap colour scheme used today was adopted. First introduced in 1987 the original G Series EQ introduced Q characteristics which were proportional to gain settings and had a degree of over shoot when boosting and under shoot when cutting.

The current generation of SuperAnalogue console EQ (featured on Duality, AWS 900 + SE & the X-Rack EQ module) are switchable between EQ characteristics that offer either the E-Series 'Black' EQ or the G Series EQ.

Solid State Logic E-Series EQ 500-Series Module Features

  • Immortal SSL 4000 E Series circuitry
  • "Black-242" and "Brown-02" twin EQ design
  • Versatile 4 band channel EQ
  • Bell curve option on HF and LF
  • Fully parametric LMF and HMF with Q
  • Based on classic 611E console channel strip

Solid State Logic E-Series EQ 500-Series Module Specifications

  • No. of Channels: 1
  • No. of Bands: 4
  • Q Type: Selectable
  • Frequency Ranges:
    • High: 1.5kHz-16kHz
    • Hi-Mid: 600Hz-7kHz
    • Lo-Mid: 200Hz-2.5kHz
    • Low: 30Hz-450Hz
  • Bypass: Yes

Solid State Logic E-Series EQ 500-Series Module Includes

  • Solid State Logic E-Series EQ 500-Series Module
  • 1 Year Warranty

1 Review Hide Reviews Show Reviews

  • 5
    Modern sounding and versatile.
    Rafferty Santiago

    I love mine to achieve that “glossy” high end in guitars and vocals. The ability to change between two colors also adds a lot of versatility to the unit, specially when you’re trying to find the perfect sound in percussion.

What We Think


The Solid State Logic E-Series EQ serves up SSL's famously favorite equalizers in the popular 500-series format for the first time. This is the perfect EQ for the 500-series enthusiast looking for the ability to really dig in and carve and shape a signal. The ability to switch between both the E-Series' Brown and Black versions ensures that you're not missing out on a thing with this version.

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