Relab 176 Tube Compressor/Limiter
Kit Plugins NP A67
Boom Seasons of Earth Euro Winter STEREO
  • New official license
  • -37%

Relab 176 Tube Compressor/Limiter

157,50 €
Catalog price : 249 € (Save €91.50)
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Zone géographique: Europe

Description
Hardware-Accurate Tube Compression In Software Form

Accurately modeled from the entire audio circuit of a vintage 1960s 176-style compressor:
every tube, transformer, timing network, and power supply interaction is re-created using a
real time circuit solver. This preserves the tone, timing, and dynamic behavior of the original
hardware.

Every Stage of the 176, Modeled Without Shortcuts

The original 176 used a fixed-threshold, variable-gain topology that reshaped its compression
curve with each ratio - smooth leveling at low settings, assertive limiting at high ones. Its tone
comes from an all-tube signal path, interstage transformer coupling, and a program
dependent sidechain.

The Relab 176 models the entire audio circuit in real time. Each component is re-created, so
the plugin responds like the hardware:

Because compression in the Relab 176 emerges from a fully modeled circuit rather than a
fixed transfer curve, its response is inherently musical and dynamic - timing and harmonics
adapt to the source, each ratio shifts the slope and knee position, and the exact signal flow,
including transformer coupling and tube stage interactions, is preserved.

Features That Preserve the 176's Sound - and Expand Its Workflow

From compression curves and harmonic behavior to transformer tone and calibration control,
every element of the original 176 is modeled for authenticity, with added tools to fit
seamlessly into modern production workflows.

Ratio-Driven Knee Behavior for Nuanced Dynamics

The Relab 176 follows the original fixed-threshold design with four hardware ratios -2:1, 4:1,
8:1, and 12:1. Knee position and slope change with each ratio, producing compression that
ranges from smooth leveling to assertive limiting.

Compression intensity adapts naturally, ensuring nuanced dynamic shaping at every setting.

Program-Dependent Timing from True RC-Tube Interaction

Attack and release times come from resistor-capacitor networks directly coupled to the tube
gain stage.

Timing is program-dependent, shaped by signal level, transient size, tube nonlinearity, and
transformer interaction — not fixed millisecond values.

The Fixed/Auto toggle changes how release adapts to the program

Polarity-Selective Detection for Targeted Transient Control

The Sidechain Polarity control in the Relab 176 changes how the detector responds to the
positive, negative, or both halves of the waveform. This lets you target specific transient
edges - for example, clamping kick drum attack without touching low-end body, or
controlling plosives in vocals without affecting overall presence.

Transformer Path for Sub-ms Attack, Resistor Path for Vintage Thump

The Stage Coupling switch changes how the variable-gain tube stage connects to the output
amp:

Both are authentic circuit paths and can be chosen for transient speed, tone, and low-end
behavior.

Shift Bias, Harmonics, and Threshold in a Single Move

Calibration shifts the internal tube bias and balance – just like adjusting multiple trim pots on
the original hardware – changing threshold, harmonic profile, and dynamic feel.

It's a single control that moves multiple internal parameters together, with extra flexibility
available via the plugin's back-panel trims.

Advanced Bias & Level Tuning

Click the Relab logo to access advanced controls: three hardware-style trim pots for 6BC8
bias, 6BC8 anode balance, and 12AX7 bias – plus a Reference Level control.

Fine-tune threshold, harmonic mix, transient response, and low-frequency stability with the
same adjustments available inside the original hardware, now with greater flexibility for gain
staging and tone shaping.

How the Relab 176 Fits Into Modern Sessions

From vocal tracking to final mastering, the 176's hardware-accurate behavior delivers the
tone, dynamics, and control that engineers rely on across every stage of production.

Features

  • Authentic 1960s Circuit Emulation – Models the full audio path of a vintage 176 compressor, including tubes, transformers, timing, and power supply.
  • Real-Time Circuit Simulation – Uses a real-time solver for accurate dynamic and harmonic response, not just static modeling.
  • Variable-Gain, Fixed-Threshold Design – Compression behavior changes with ratio, drive, and signal, allowing musical, adaptive control.
  • Transformer Path Options – Switch between resistor (vintage thump) and transformer (fast attack, brighter tone) for tonal flexibility.
  • Polarity-Selective Detection – Choose waveform polarity (positive, negative, both) for precise transient shaping and control.
  • Program-Dependent Timing – Attack and release react dynamically to signal characteristics via modeled RC-tube interaction.
  • Ratio-Driven Knee Control – Four hardware ratios (2:1 to 12:1) change compression curve slope and knee behavior.
  • Single-Knob Calibration Control – Simultaneously adjusts tube bias, harmonic profile, threshold, and dynamic feel.
  • Advanced Trim Section – Access hidden controls for deep tube bias and level fine-tuning, mimicking internal hardware adjustments.
  • Versatile Use Cases – Ideal for vocals, instruments, mix bus, and mastering with musical tone and flexible dynamics control.
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Product Details
Référence Fabricant : 11-44318

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