{"product_id":"176tubecomplimit","title":"Relab Development 176 Tube Compressor\/Limiter","description":"\u003ch1 style=\"text-align: center;\"\u003e\u003ciframe width=\"690\" height=\"388\" src=\"https:\/\/www.youtube.com\/embed\/DFhQA074Jvw?si=bGto4190659i-cPw\" title=\"YouTube video player\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen\u003e\u003c\/iframe\u003e\u003c\/h1\u003e\u003ch1 style=\"text-align: center;\"\u003e \u003c\/h1\u003e\u003cdiv style=\"text-align: center;\"\u003e\n\u003cdiv\u003e\n\u003ch1\u003eRelab 176 Tube Compressor\/Limiter\u003c\/h1\u003e\n\u003ch4\u003eAccurately modeled from the entire audio circuit of a vintage 1960s 176-style compressor\u003c\/h4\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch1 style=\"text-align: center;\"\u003e\u003c\/h1\u003e\n\u003ch1 style=\"text-align: center;\"\u003e \u003c\/h1\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ch1\u003eHardware-Accurate Tube Compression In Software Form\u003c\/h1\u003e\n\u003cp\u003eAccurately 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.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHardware-Accurate from Input to Output: The Relab 176 reproduces everything: the tone, timing, and dynamic behavior of the hardware. Every tube stage, transformer, and timing network responds as it does in the original.\u003c\/li\u003e\n\u003cli\u003eCompression That Adapts to the Music: Fixed-threshold, variable-gain design where ratio, drive, and source material interact to shape timing, curve, and harmonics.\u003c\/li\u003e\n\u003cli\u003eInstant Control Over Tone and Transients: Switchable interstage transformer, asymmetry detection, and calibration trims allow quick changes to character and transient handling.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch1\u003e \u003c\/h1\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch1\u003eEvery Stage of the 176, Modeled Without Shortcuts\u003c\/h1\u003e\n\u003cp\u003eThe 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.\u003c\/p\u003e\n\u003cp\u003eThe Relab 176 models the entire audio circuit in real time. Each component is re-created, so the plugin responds like the hardware:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTubes – Variable-gain stage and line amp with bias interactions shaping dynamics and harmonics\u003c\/li\u003e\n\u003cli\u003eTransformers – Input, output, and interstage stages modeled for saturation and frequency shaping\u003c\/li\u003e\n\u003cli\u003eRectifiers \u0026amp; Timing – RC sidechain delivering program-adaptive attack and release\u003c\/li\u003e\n\u003cli\u003ePower Supply – Sag and recovery influencing timing under sustained gain reduction\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eBecause 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.\u003c\/p\u003e\n\u003ch1\u003e \u003c\/h1\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003c\/p\u003e\n\u003ch1\u003e\u003c\/h1\u003e\n\u003ch1\u003eFeatures That Preserve the 176?s Sound - and Expand Its Workflow\u003c\/h1\u003e\n\u003cp\u003eFrom 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.\u003c\/p\u003e\n\u003ch1\u003e  \u003c\/h1\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003c\/p\u003e\n\u003ch1\u003e\u003c\/h1\u003e\n\u003ch1\u003eRatio-Driven Knee Behavior for Nuanced Dynamics\u003c\/h1\u003e\n\u003cp\u003eThe 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.\u003c\/p\u003e\n\u003cp\u003eCompression intensity adapts naturally, ensuring nuanced dynamic shaping at every setting.\u003c\/p\u003e\n\u003ch1\u003e \u003c\/h1\u003e\n\u003ch1\u003e \u003c\/h1\u003e\n\u003ch1\u003eProgram-Dependent Timing from True RC-Tube Interaction\u003c\/h1\u003e\n\u003cp\u003eAttack and release times come from resistor-capacitor networks directly coupled to the tube gain stage.\u003c\/p\u003e\n\u003cp\u003eTiming is program-dependent, shaped by signal level, transient size, tube nonlinearity, and transformer interaction — not fixed millisecond values.\u003c\/p\u003e\n\u003cp\u003eThe Fixed\/Auto toggle changes how release adapts to the program\u003c\/p\u003e\n\u003ch1\u003e \u003c\/h1\u003e\n\u003ch1\u003e \u003c\/h1\u003e\n\u003ch1\u003ePolarity-Selective Detection for Targeted Transient Control\u003c\/h1\u003e\n\u003cp\u003eThe 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.\u003c\/p\u003e\n\u003ch1\u003e \u003c\/h1\u003e\n\u003ch1\u003e  \u003c\/h1\u003e\n\u003ch1\u003e\u003c\/h1\u003e\n\u003ch1\u003eTransformer Path for Sub-ms Attack, Resistor Path for Vintage Thump\u003c\/h1\u003e\n\u003cp\u003eThe Stage Coupling switch changes how the variable-gain tube stage connects to the output amp:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTransformer – Adds a transformer between stages for faster attack (sub-ms possible), subtle “smiley curve” tone, and reduced low-end wobble.\u003c\/li\u003e\n\u003cli\u003eResistor – Uses a resistor path for slower attack, flatter tone, and more vintage-style low frequency thump.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eBoth are authentic circuit paths and can be chosen for transient speed, tone, and low-end behavior.\u003c\/p\u003e\n\u003ch1\u003e  \u003c\/h1\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch1\u003e\u003c\/h1\u003e\n\u003ch1\u003eShift Bias, Harmonics, and Threshold in a Single Move\u003c\/h1\u003e\n\u003cp\u003eCalibration shifts the internal tube bias and balance – just like adjusting multiple trim pots on the original hardware – changing threshold, harmonic profile, and dynamic feel.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBias \u0026amp; Balance: Adjusts 6BC8 and 12AX7 tube operating points, influencing even\/odd harmonic mix and low-frequency stability.\u003c\/li\u003e\n\u003cli\u003eThreshold Shift: Moves the point where compression begins without changing your input gain.\u003c\/li\u003e\n\u003cli\u003eDynamic Response: Alters transient smoothness and micro-dynamics.\u003c\/li\u003e\n\u003cli\u003eTone Shaping: Warms, brightens, or tightens tone depending on bias settings.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIt?s a single control that moves multiple internal parameters together, with extra flexibility available via the plugin?s back-panel trims.\u003c\/p\u003e\n\u003ch1\u003e \u003c\/h1\u003e\n\u003ch1\u003e \u003c\/h1\u003e\n\u003ch1\u003eAdvanced Bias \u0026amp; Level Tuning\u003c\/h1\u003e\n\u003cp\u003eClick 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.\u003c\/p\u003e\n\u003cp\u003eFine-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.\u003c\/p\u003e\n\u003ch1\u003e  \u003c\/h1\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch1\u003eHow the Relab 176 Fits Into Modern Sessions\u003c\/h1\u003e\n\u003cp\u003eFrom 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.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eVocals – Maintains presence while controlling dynamics; harmonics scale with level for depth without dulling articulation.\u003c\/li\u003e\n\u003cli\u003eMix Bus – Gentle peak control for cohesion; transformer mode adds weight, resistor mode stays cleaner.\u003c\/li\u003e\n\u003cli\u003eIndividual Instruments – Program-adaptive timing and asymmetry control allow targeted transient shaping; drums retain sustain, bass stays even, guitars gain harmonic presence.\u003c\/li\u003e\n\u003cli\u003eMastering – Smooth harmonics with precise gain control; calibration and reference level fine tune headroom and harmonic profile.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003ch1 style=\"text-align: center;\"\u003e  \u003c\/h1\u003e\n\u003cp\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e  \u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ch1\u003eFeatures\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003eAuthentic 1960s Circuit Emulation – Models the full audio path of a vintage 176 compressor, including tubes, transformers, timing, and power supply.\u003c\/li\u003e\n\u003cli\u003eReal-Time Circuit Simulation – Uses a real-time solver for accurate dynamic and harmonic response, not just static modeling.\u003c\/li\u003e\n\u003cli\u003eVariable-Gain, Fixed-Threshold Design – Compression behavior changes with ratio, drive, and signal, allowing musical, adaptive control.\u003c\/li\u003e\n\u003cli\u003eTransformer Path Options – Switch between resistor (vintage thump) and transformer (fast attack, brighter tone) for tonal flexibility.\u003c\/li\u003e\n\u003cli\u003ePolarity-Selective Detection – Choose waveform polarity (positive, negative, both) for precise transient shaping and control.\u003c\/li\u003e\n\u003cli\u003eProgram-Dependent Timing – Attack and release react dynamically to signal characteristics via modeled RC-tube interaction.\u003c\/li\u003e\n\u003cli\u003eRatio-Driven Knee Control – Four hardware ratios (2:1 to 12:1) change compression curve slope and knee behavior.\u003c\/li\u003e\n\u003cli\u003eSingle-Knob Calibration Control – Simultaneously adjusts tube bias, harmonic profile, threshold, and dynamic feel.\u003c\/li\u003e\n\u003cli\u003eAdvanced Trim Section – Access hidden controls for deep tube bias and level fine-tuning, mimicking internal hardware adjustments.\u003c\/li\u003e\n\u003cli\u003eVersatile Use Cases – Ideal for vocals, instruments, mix bus, and mastering with musical tone and flexible dynamics control.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ch1\u003e \u003c\/h1\u003e\n\u003ch1\u003e \u003c\/h1\u003e\n\u003ch1\u003e  \u003c\/h1\u003e\n\u003ch1\u003eTech Specs\u003c\/h1\u003e\n\u003cdiv\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003c\/p\u003e\n\u003cp\u003eMAC\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003c\/p\u003e\n\u003cp\u003eOS X macOS 12 Monterey or higher\u003c\/p\u003e\n\u003cp\u003eMemory: 8 GB\u003c\/p\u003e\n\u003cp\u003eCPU: Apple Silicon M1 or newer\u003c\/p\u003e\n\u003cp\u003ePlugins: VST-3, AU, AAX\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003c\/p\u003e\n\u003cp\u003eWINDOWS\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003c\/p\u003e\n\u003cp\u003eWindows Windows 10 and up\u003c\/p\u003e\n\u003cp\u003eMemory: 8 GB\u003c\/p\u003e\n\u003cp\u003eCPU: Intel Core i7 (8th-gen+) or AMD Ryzen 5 (3000-series+)\u003c\/p\u003e\n\u003cp\u003ePlugins: VST-3, AAX\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003ch1 style=\"text-align: center;\"\u003e \u003c\/h1\u003e\u003ch1 style=\"text-align: center;\"\u003eRegistration Information\u003c\/h1\u003e\u003cp style=\"text-align: center;\"\u003eRedeem Code: https:\/\/shop.relabdevelopment.com\/redeem  \u003c\/p\u003e","brand":"Relab","offers":[{"title":"Default Title","offer_id":53052887695644,"sku":"1035-4141","price":199.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/1983\/4140\/files\/relab_176_gui_stereo_1.jpg?v=1758875766","url":"https:\/\/jrrshop-3235.myshopify.com\/products\/176tubecomplimit","provider":"jrrshop","version":"1.0","type":"link"}