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Classic SSL tone from mic to output
The Revival 4000 is built around the famous SSL 4000 Series architecture, delivering an all-analog channel strip that captures the tone of two of SSL’s most important consoles. The mic preamp uses the original Jensen transformer from the 4000 E, which brings a clean yet harmonically rich sound to vocals, drums, and instruments. This preamp circuit adds subtle warmth while maintaining detail, making it ideal for both tracking and reamping.
Additional front-end controls include +48V phantom power, polarity reverse, a 20 dB pad, and a line-level input. These options make the Revival 4000 suitable for use across a wide range of input sources. Engineers who want a reliable, character-rich front end for their signal chain will find this section delivers both sonic integrity and tonal flexibility.
Versatile EQ with heritage modes
At the heart of the Revival 4000 is SSL’s classic 4-band EQ, giving users the choice between two distinct tonal flavours. The Brown Knob ‘02’ EQ features symmetrical parametric mid bands and shelving high and low bands, with the option to switch those shelves to bells. This configuration became widely used in the early 1980s for its musical, transparent response.
For more aggressive shaping, the Black Knob ‘242’ EQ (developed in 1983 in collaboration with George Martin) offers extended gain range and a tighter 18 dB per octave high-pass filter. This version adds control at the frequency extremes, especially in the low end. The Revival 4000 lets you switch between these modes to suit the material you are working on. Both EQ styles are supported by high-pass and low-pass filters tailored to each mode, providing additional control over unwanted low-frequency rumble or high-frequency noise.
Signature dynamics for shaping tone and movement
The dynamics section of the Revival 4000 replicates the circuitry of the SSL 4000 E Series, using a discrete Class A VCA chip for gain reduction. This section includes compression, expansion, and gating features that are trusted by engineers for adding punch, control, and consistency to audio signals. The compressor offers soft or hard knee behaviour, fast attack settings, and a choice between logarithmic or linear release curves. This flexibility allows engineers to shape dynamics to fit anything from vocals to drums to mix buses.
The gate/expander section includes its own fast attack mode and responds naturally to source material. Paired with the EQ and preamp, this makes the Revival 4000 a full signal path solution that is suitable for use across an entire mix or as a specialised channel in a larger setup. Internal routing options also allow the EQ and filters to feed the dynamics sidechain for detailed tonal sculpting.
Flexible routing and studio integration
In addition to tone shaping, the Revival 4000 includes a wide range of routing and integration features. A balanced insert point allows external effects or processors to be placed directly into the signal path. Engineers can place this insert before or after the EQ and dynamics sections, allowing for tailored signal flow depending on the desired result. This flexibility is helpful for combining the SSL channel with modern digital tools or other analog gear.
There is also an external sidechain input for triggering the dynamics section with signals outside of the main audio path. This opens up options for ducking, keyed compression, or other advanced dynamic effects. The unit also includes stereo sidechain linking, which allows two Revival 4000 units to operate in tandem on stereo signals. This makes it a practical tool not just for individual channels, but also for stereo buses and mix stems.
With metering on both input and output, line output trim, and full signal chain visibility, the Revival 4000 is a high-quality analog channel strip designed to integrate seamlessly into modern studio environments. It provides the sound and workflow of classic SSL consoles in a more accessible format, ideal for producers and engineers seeking proven sound with modern flexibility.
Features
- Authentic analog channel strip based on SSL 4000 B and E Series consoles
- Jensen transformer-balanced mic preamp delivers classic 4000 E tone and clarity
- Built-in B Series-style De-Esser with 10:1 ratio and 7 kHz sidechain filter for smooth vocal control
- Discrete Class A VCA dynamics section faithfully recreates the E Series compressor and gate
- Selectable soft or hard knee, fast attack mode, and log/linear release curves for versatile compression
- Switchable Brown Knob (02) and Black Knob (242) 4-band parametric EQs for tonal shaping
- High and low-pass filters with different slopes depending on EQ mode for refined frequency control
- Balanced insert point enables integration of external processing in the signal chain
- External sidechain input and dynamics sidechain link support stereo operation with dual units
- Flexible routing with assignable EQ, filter, and dynamics processing order
- Dedicated line output trim and switchable metering for input and output levels
- Compact 1U rackmount format designed for modern studio environments
Specifications
General
- Mic Preamplifier: Classic SSL 4000 E Jensen Transformer-Balanced Mic Preamp
- De-Esser: Musical One-Knob 4000 B De-Esser Section
- Controls: +48V, Polarity Invert, Pad And Line Input
Dynamics Section
- Compressor: Discrete Class A VCA Compressor Section
- Knee Modes: Soft Or Hard
- Attack: Fast Attack On/Off
- Release Modes: Logarithmic Or Linear
- Gate/Expander: Classic Gate/Expander Section
- Attack: Fast Attack On/Off
Equalizer
- 4-Band SSL EQ: Classic 4-Band SSL EQ
- Mid-Bands: Fully Parametric
- EQ Circuits: Switchable Brown Knob ‘02’ And Black Knob ‘242’
Filters
- High And Low Pass Filters:
- Brown 02 Mode: 12 dB Per Octave HPF & LPF
- Black 242 Mode: 18 dB Per Octave HPF & 12 dB Per Octave LPF
Signal Path & Routing
- Balanced Insert: For Connecting External Devices Into The Signal Path
- To Sidechain:
- Filters: To Dynamics Sidechain
- EQ: To Dynamics Sidechain
- Process-Order Routing: Filters To Input, Dynamics And De-Ess Post-EQ Options, Insert To Output
Additional
- Line Output Trim: Available
- Metering: Switchable Input/Output Metering
- External Sidechain Input: Available (Key Input)
- Dynamics Sidechain Link: Allows Two Revival 4000s Compressors To Work As A Stereo Pair