{"product_id":"knock-digital-download","title":"Rave Generation Knock (Digital Download)","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cspan class=\"p\"\u003e🥁 Welcome to Knock: Ultimate Techno Bassdrum Synthesizer built on circuit-accurate TR-909 analog modeling with six transient characters, independent pitch sweep depth, a continuous body waveshaper, a 50-sample layer, an allpass dispersion engine, a full Mackie-style strip EQ, and a per-hit Mod Ring modulation system. From classic house kicks to hard-hitting gabber bassdrums - one plugin, endless punch.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"p\"\u003e🎛️ Knock is the evolution of BDX-909, expanding the proven 909 core with deep transient shaping, harmonic body control, a layerable sample engine for extra attack character, an allpass cascade dispersion effect for laser sweeps, studio-grade channel EQ, and per-hit tonal modulation via the Mod Ring system. Designed for electronic music producers who need a kick drum that cuts through any mix without reaching for external processing.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan class=\"p\"\u003e\u003cmeta charset=\"utf-8\"\u003e\n\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003e\u003cmark\u003eKEY FEATURES\u003c\/mark\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan class=\"p\"\u003e•\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eCircuit-accurate 909 core\u003c\/strong\u003e\u003cbr\u003eHardware-measured TR-909 bassdrum with triangle oscillator, LFSR noise click, diode clipping, transistor VCA, and RC envelopes.\u003cbr\u003e•\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eDual oscillator modes\u003c\/strong\u003e\u003cbr\u003eClassic (authentic 909 triangle with asymmetry and rounding) and ALT (SVF bridged-T network for a cleaner, resonant tone). Both respond to the same pitch, sweep, and waveshaping controls.\u003cbr\u003e•\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eIndependent Sweep Depth\u003c\/strong\u003e\u003cbr\u003eSeparate control over pitch sweep amount (0-600 Hz), independent from sweep time. At 0% there is no pitch drop (pure sub). At 33% it matches the original 909. Crank it for laser territory.\u003cbr\u003e•\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eBody Waveshaper\u003c\/strong\u003e\u003cbr\u003eContinuous waveshaper that morphs the oscillator from pure sine to parabolic, adding warm even harmonics (2nd harmonic) that fatten and thicken the kick body without adding the mud of a standard saturator.\u003cbr\u003e•\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eSix tick transient types\u003c\/strong\u003e\u003cbr\u003eClassic (2kHz sine burst), FM (metallic FM impulse), Noise (filtered noise burst for airy presence), HP (highpass-filtered), Chirp (fast pitch-swept electronic zap), and Metal (inharmonic bell partials for industrial texture).\u003cbr\u003e•\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eDedicated Punch FX section\u003c\/strong\u003e\u003cbr\u003eTime-windowed transient processor with four filter types (LP\/HP\/BP), four distortion algorithms (Tube\/Tape\/Clip\/Fold), tone shaping, and a wet\/dry mix - all applied only to the transient zone of the kick for surgical attack control.\u003cbr\u003e•\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eSample Layer\u003c\/strong\u003e\u003cbr\u003eOne-shot sample player with 50 embedded samples (attacks, clicks, punches) for layering on top of the synthesized kick. Includes pitch shifting (±24 st), decay envelope, highpass and lowpass filters, timing offset, phase flip, velocity sensitivity, and a pitch bend (pogo) envelope. Configurable Strip EQ routing lets the sample bypass, share clean EQ, receive modulated EQ, or pass through the full gain + EQ chain.\u003cbr\u003e•\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eDisperse\u003c\/strong\u003e\u003cbr\u003eAllpass cascade engine with up to 256 second-order allpass filter stages for transient smearing and laser sweep effects. Controls for center frequency (20-5000 Hz), stage count, pinch (Q), frequency spread, and dry\/wet mix. Selectable Pre or Post signal chain position - Pre for smoother musical sweeps, Post for grittier dispersion after drive.\u003cbr\u003e•\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eStrip EQ\u003c\/strong\u003e\u003cbr\u003eFull channel strip with 0-40 dB gain (with analog console saturation), dual parametric mid bands with adjustable frequency and Q, high and low shelving EQ (±15 dB), and an 18 dB\/oct highpass filter with adjustable frequency (5-200 Hz) and selectable Pre\/Post gain routing.\u003cbr\u003e•\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eMod Ring\u003c\/strong\u003e\u003cbr\u003ePer-hit envelope modulation system that dynamically shapes the Strip EQ and reverb send on every trigger. Five envelope shapes (Exp, Lin, Log, Bump, Sine) with independent depth controls for Lo-Mid gain, Hi-Mid gain, Lo-Mid frequency, Hi-Mid frequency, strip gain, send level, high shelf, and low shelf. Create transient EQ sweeps, per-hit gain boosts, and rhythmic tonal movement without automation.\u003cbr\u003e•\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eOne-knob output drive\u003c\/strong\u003e\u003cbr\u003eWarm tube-like saturation with asymmetric soft clipping, plus independent HI MID and HIGH coloration controls for final tonal sculpting.\u003cbr\u003e•\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eBuilt-in reverb send\u003c\/strong\u003e\u003cbr\u003eNine reverb modes (Room, Hall, Plate, Multi-Tap, Gated) with pre-delay, tone shaping, drive on the wet signal, and three tail modes: Off (natural ring), Reset (clean per hit), or Duck (sidechain pumping effect).\u003cbr\u003e•\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eClip 0dB protection\u003c\/strong\u003e\u003cbr\u003eTwo-stage soft-knee limiter + hard clip for transparent output limiting without audible artifacts.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp id=\"text148\" class=\"text-component instance-148\"\u003e\u003cmark\u003eUSER INTERFACE - MAIN CONTROLS\u003c\/mark\u003e\u003c\/p\u003e\n\u003cdiv id=\"image47\" class=\"image-component instance-47\"\u003e\u003cspan class=\"frame deferred\"\u003e\u003cimg src=\"https:\/\/ravegeneration.io\/assets\/images\/image47.jpg?v=a7a12af2\" data-src=\"done\" alt=\"\"\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cp id=\"text149\" class=\"text-component instance-149\"\u003e\u003cspan class=\"p\"\u003e\u003cstrong\u003eCORE Section\u003c\/strong\u003e\u003cbr\u003eTUNE: Controls the pitch sweep time. Higher values produce a longer, more pronounced pitch drop. Works together with SWEEP to shape the attack character.\u003cbr\u003eSWEEP: Controls the pitch sweep depth - how far the frequency drops. 0% = no sweep (pure sub), 33% = 909 default, 100% = laser\/Simmons territory.\u003cbr\u003eATTACK: Controls the initial transient loudness (909 click level).\u003cbr\u003eDECAY: Controls how long the bassdrum rings out.\u003cbr\u003eHOLD: Sets the hold time (0-100 ms) before the decay begins for a fatter, more sustained body.\u003cbr\u003eBODY: Adds weight and low-end presence by boosting the oscillator body gain.\u003cbr\u003eSNAP: Controls the snap transient - a fast 400 Hz pitch burst at the start for extra cut-through.\u003cbr\u003eLEVEL: Master velocity\/level control for the bassdrum output.\u003cbr\u003eOSCILLATOR: Classic (909 triangle) or ALT (SVF bridged-T).\u003cbr\u003eCLICK: Classic (original 909 click) or ALT (punchier, harder-edged).\u003cbr\u003eMIDI: Toggles chromatic MIDI note tracking for melodic\/chromatic playing.\u003cbr\u003eTUNE X2: Doubles the tuning range for higher-pitched kicks.\u003cbr\u003eDECAY X2: Doubles the decay time range for longer, boomy kicks.\u003c\/span\u003e\u003cspan class=\"p\"\u003e\u003cstrong\u003ePUNCH Section\u003c\/strong\u003e\u003cbr\u003eTICK: Controls the tick transient level.\u003cbr\u003eTIME: Sets the duration of the punch envelope window.\u003cbr\u003eFREQ: Sets the frequency for the punch filter.\u003cbr\u003eRESO: Filter resonance amount.\u003cbr\u003eGRIT: Controls the distortion intensity within the punch section.\u003cbr\u003eTONE: Shapes the tonal balance of the punch effect.\u003cbr\u003eMIX: Blends the punch-processed transient with the dry transient signal.\u003cbr\u003eTICK TYPE: Selects the tick transient character - Classic, FM, Noise, HP, Chirp, or Metal.\u003cbr\u003eFILTER: Selects the punch filter type - Off, LP, HP, or BP.\u003cbr\u003eALGO: Selects the punch distortion algorithm - Tube, Tape, Clip, or Fold.\u003c\/span\u003e\u003cspan class=\"p\"\u003e\u003cstrong\u003eTONE Section\u003c\/strong\u003e\u003cbr\u003eSHAPE: Body waveshaper - morphs the oscillator from sinusoidal to parabolic, adding warm even harmonics.\u003cbr\u003eDRIVE: One-knob distortion with warm, tube-like character. Smoothly goes from clean to crunchy.\u003cbr\u003eHI MID: Adds or removes midrange presence around 2.4 kHz.\u003cbr\u003eHIGH: Brightens or darkens the overall tone by adjusting high-frequency content.\u003cbr\u003eHP FREQ: Sets the highpass (lo-cut) filter frequency from 5 Hz to 200 Hz. Only active when HP POSITION is enabled in the Strip EQ.\u003cbr\u003eVOLUME: Master output level control.\u003cbr\u003eCLIP 0dB: Enables transparent 0 dB output limiting.\u003c\/span\u003e\u003cspan class=\"p\"\u003e\u003cstrong\u003eDISPERSE Section\u003c\/strong\u003e\u003cbr\u003eFREQ: Center frequency of the allpass filter chain (20-5000 Hz). Lower values create deeper, sub-heavy dispersion sweeps. Sweet spot for bassdrums is typically 50-500 Hz.\u003cbr\u003eAMOUNT: Number of cascaded allpass filter stages (0-256). More stages create a longer, more pronounced laser sweep. High values (150+) with high Spread can create resonant tail effects.\u003cbr\u003ePINCH: Controls how tightly the phase rotation concentrates around the center frequency. Low values = cleaner, broader effect. High values = narrower, more aggressive resonant sweep.\u003cbr\u003eSPREAD: Distributes the allpass stages across a frequency range. At 0 all filters share the same frequency. Higher values create richer, more complex smearing with logarithmic distribution.\u003cbr\u003eMIX: Dry\/wet blend (0-100%).\u003cbr\u003ePOSITION: Selects where the dispersion sits in the signal chain - Pre (before tone\/drive, smoother sweeps) or Post (after drive, grittier character).\u003c\/span\u003e\u003cspan class=\"p\"\u003e\u003cstrong\u003eSTRIP EQ Section\u003c\/strong\u003e\u003cbr\u003eGAIN: Input gain with analog console saturation (0-40 dB).\u003cbr\u003eHI SHEL \/ LO SHEL: High and low shelving EQ (±15 dB).\u003cbr\u003eHI MID \/ LO MID: Dual parametric mid-band EQ (±15 dB) with adjustable frequency and Q.\u003cbr\u003eHP POSITION: Enables the highpass filter and selects its position - Off, Post (after gain), or Pre (before gain, prevents low-frequency resonant slamming at extreme settings).\u003cbr\u003eEQ IN: Enables or disables the EQ section. Note: when HP POSITION is set to Pre, the highpass remains active even with EQ IN off.\u003c\/span\u003e\u003cspan class=\"p\"\u003e\u003cstrong\u003eSAMPLE Section\u003c\/strong\u003e\u003cbr\u003eLEVEL: Controls the mix level of the sample layer into the kick signal.\u003cbr\u003ePITCH: Pitch shift in semitones (-24 to +24).\u003cbr\u003eDECAY: Amplitude decay envelope for the sample. Lower values create shorter, tighter transients; higher values let more of the sample tail through.\u003cbr\u003eHPF: Highpass filter for the sample signal. Removes low-frequency content to avoid muddying the sub.\u003cbr\u003eLPF: Lowpass filter (tone control) for the sample. Shapes brightness from dark to bright.\u003cbr\u003eOFFSET: Sample timing offset in milliseconds (0-10 ms). Controls when the sample triggers relative to the kick. Default is 1.2 ms (aligned with the kick transient).\u003cbr\u003eSAMPLE: Selects which sample to layer from the 50 included samples. The first option (Off) disables the sample layer entirely.\u003cbr\u003eSTRIP EQ: Controls how the sample is routed through the Strip EQ - Off (bypasses strip entirely), EQ (kick gets full strip, sample gets a clean copy of the EQ without gain or mod), EQ+Mod (kick gets gain first, then sample mixed in for modulated EQ together), or EQ+Gain (sample goes through entire strip with kick).\u003cbr\u003ePHASE: Flips the polarity of the sample signal for phase alignment.\u003cbr\u003eVEL: Velocity sensitivity for the sample layer. At 0, the sample plays at full volume regardless of MIDI velocity.\u003cbr\u003ePOGO: Pitch bend envelope in semitones (-24 to +24). Sweeps the sample pitch up or down at the start of each hit.\u003c\/span\u003e\u003cspan class=\"p\"\u003e\u003cstrong\u003eMOD RING Section\u003c\/strong\u003e\u003cbr\u003eMOD DECAY: Shared envelope decay time for all Mod Ring targets. 0 = snappy (15 ms), 0.5 = medium (50 ms), 1.0 = slow (100 ms).\u003cbr\u003eMOD SHAPE: Envelope shape for all targets - Exp (exponential decay, peak on beat), Lin (linear ramp), Log (holds high, drops fast at end), Bump (smooth half-sine hump), or Sine (full cosine LFO cycle, resets on trigger - flip depth sign to invert).\u003cbr\u003eMOD LO MID: Modulation depth for Strip EQ Lo-Mid gain (±15 dB).\u003cbr\u003eMOD HI MID: Modulation depth for Strip EQ Hi-Mid gain (±15 dB).\u003cbr\u003eMOD LO FRQ: Modulation depth for Strip EQ Lo-Mid frequency (±10).\u003cbr\u003eMOD HI FRQ: Modulation depth for Strip EQ Hi-Mid frequency (±10).\u003cbr\u003eMOD GAIN: Modulation depth for Strip EQ gain stage (±40 dB). Creates transient gain boosts or dips on each hit.\u003cbr\u003eMOD SEND: Modulation depth for reverb send level (±100%).\u003cbr\u003eMOD HI SHEL: Modulation depth for Strip EQ high shelf (±15 dB).\u003cbr\u003eMOD LO SHEL: Modulation depth for Strip EQ low shelf (±15 dB).\u003c\/span\u003e\u003cspan class=\"p\"\u003e\u003cstrong\u003eSEND FX Section\u003c\/strong\u003e\u003cbr\u003ePRE-DLY: Pre-delay time before the reverb effect begins.\u003cbr\u003eTIME: Reverb decay time (stepped 0-15).\u003cbr\u003eTONE: Shapes the reverb tone from dark (left) to bright (right).\u003cbr\u003eDRIVE: Adds saturation to the reverb wet signal.\u003cbr\u003eSEND: Reverb send level (additive - dry signal always passes through at full level).\u003cbr\u003eREVERB: Selects the reverb algorithm - Room 1\/2, Hall 1\/2, Plate 1\/2, M Tap 1\/2, or Gated.\u003cbr\u003eTAIL: Controls reverb behavior on each trigger - Off (natural ring), Reset (clean per hit), or Duck (sidechain pumping).\u003c\/span\u003e\u003c\/p\u003e","brand":"Rave Generation","offers":[{"title":"Default Title","offer_id":52542376345889,"sku":"1540-1018","price":126.45,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0044\/1502\/9317\/files\/rave-generation-knock.jpg?v=1775512957","url":"https:\/\/koalaaudio.com.au\/products\/knock-digital-download","provider":"Koala Audio","version":"1.0","type":"link"}