╔══════════════════════════════════════════════════════════════╗ ║ SPHINX 101 ║ ║ Signal Verification Report — v1.0.0 ║ ╠══════════════════════════════════════════════════════════════╣ ║ Report: Configuration Verification ║ ║ Generated: 2026-06-15 05:26 UTC ║ ║ Platform: macOS · Apple Silicon · TrueRail™ ║ ║ Standard: -6 dBFS operating level · 64-bit internal ║ ╚══════════════════════════════════════════════════════════════╝ ======================================================= SPHINX 101 CONFIGURATION MATRIX REPORT Timestamp: 2026-06-15 05:26:05 UTC Configurations tested: 165 Signal: -6 dBFS 1 kHz sine + level sweeps -40..0 dBFS ======================================================= --- Live progress --- [1/11] Module Isolation Sweep [2/11] Cumulative Chain Build-Up [3/11] AutoGain Effect Matrix [4/11] Circuit Model Sweep [5/11] Level Sensitivity [5b/11] Frequency Sensitivity (PD cross-check) [6/11] GR Indicator Verification [7/11] Metering Consistency Check [8/11] Makeup Gain Cascade [9/11] Soft/Hard Knee Width [10/11] Pre/Post Routing [11/12] Transformer Model Comparison [12/17] TrueRail A/B/C Variation [13/17] Acceptance: Crossover Verification [14/17] Acceptance: Attack/Release Knobs [15/17] Acceptance: Parallel Mix Sweep [16/17] Acceptance: WIDTH/SPACE/MONO SUM Range [17/18] Acceptance: Module Bypass Behavior [18/19] PF9: Filter SHARP peak + HPF/LPF independence [19/20] OT5: Cross-drive TX coupling [20/20] FF1: OUTPUT TX swept-sine coupling [MusicMaterial] Source: Paradise (Original Mix) [real track] @ 44100 Hz stereo Input: peak -6.00 dBFS RMS -14.30 dBFS (crest 8.3 dB) OK Full chain SLL AG-on: peak -1.70 (d +4.30) RMS -14.12 (d +0.18) [RMS unity |d|<=1.5] OK Full chain Nevy AG-on: peak -1.35 (d +4.65) RMS -13.91 (d +0.39) [RMS unity |d|<=1.5] OK Full chain Amok AG-on: peak -1.95 (d +4.05) RMS -14.64 (d -0.34) [RMS unity |d|<=1.5] OK Input-only SLL : peak -4.98 (d +1.02) [saturation gentle, d<=+2.5] OK Input-only Nevy : peak -4.40 (d +1.60) [saturation gentle, d<=+2.5] OK Input-only Amok : peak -5.30 (d +0.70) [saturation gentle, d<=+2.5] -- Peak crest build-up SLL AG-off: +4.30 dB (phase rotation + OS reconstruction; input true-peak ~-4.85; not saturation) 6 pass / 0 fail === Module Isolation — Per-Module Gain (dB) === Signal: -6.0 dBFS 1 kHz sine, AutoGain OFF Module SLL Nevy Amok Target ----------------------------------------------- INPUT (Drive) -0.4 -0.4 -0.9 ±2.5 INPUT TX -0.1 -0.1 -0.1 ±0.5 FILTER -0.0 -0.0 -0.0 ±1.5 SUB COMP -0.0 -0.0 -0.0 ±1.0 HF COMP -0.0 -0.0 -0.0 ±0.3 HF SOFTCLIP -0.0 -0.0 -0.0 ±0.3 COMPRESSOR +0.0 -0.0 -0.0 ±1.0 EQ -0.0 -0.0 -0.0 ±0.3 WIDTH -0.0 -0.0 -0.0 ±0.3 OUTPUT TX +0.1 +0.1 +0.2 ±2.0 OUTPUT +0.0 +0.0 +0.0 ±0.1 Full chain -0.5 -0.4 -0.8 X ±0.5 === Cumulative Chain Build-Up — SLL Circuit === Signal: -6.0 dBFS 1 kHz sine, AutoGain OFF Step Modules Enabled Output dB Delta In LED Out LED ---------------------------------------------------------------------- 0 (none — master bypass) -6.0 — 11 11 1 + INPUT (drive) -6.5 -0.5 11 11 2 + INPUT TX -6.6 -0.1 11 11 3 + FILTER -6.6 -0.0 11 11 4 + SUB COMP -6.6 -0.0 11 11 5 + HF COMP -6.6 -0.0 11 11 6 + HF SOFTCLIP -6.6 -0.0 11 11 7 + COMPRESSOR -6.6 +0.0 11 11 8 + EQ -6.6 -0.0 11 11 9 + WIDTH -6.6 -0.0 11 11 10 + OUTPUT TX -6.5 +0.1 11 11 11 + OUTPUT (gain @ 0 dB) -6.5 +0.0 11 11 === Cumulative Chain Build-Up — Nevy Circuit === Signal: -6.0 dBFS 1 kHz sine, AutoGain OFF Step Modules Enabled Output dB Delta In LED Out LED ---------------------------------------------------------------------- 0 (none — master bypass) -6.0 — 11 11 1 + INPUT (drive) -6.4 -0.4 11 11 2 + INPUT TX -6.5 -0.1 11 11 3 + FILTER -6.5 -0.0 11 11 4 + SUB COMP -6.5 -0.0 11 11 5 + HF COMP -6.5 -0.0 11 11 6 + HF SOFTCLIP -6.5 -0.0 11 11 7 + COMPRESSOR -6.5 +0.0 11 11 8 + EQ -6.5 +0.0 11 11 9 + WIDTH -6.5 -0.0 11 11 10 + OUTPUT TX -6.4 +0.1 11 11 11 + OUTPUT (gain @ 0 dB) -6.4 +0.0 11 11 === Cumulative Chain Build-Up — Amok Circuit === Signal: -6.0 dBFS 1 kHz sine, AutoGain OFF Step Modules Enabled Output dB Delta In LED Out LED ---------------------------------------------------------------------- 0 (none — master bypass) -6.0 — 11 11 1 + INPUT (drive) -6.9 -0.9 11 11 2 + INPUT TX -7.0 -0.1 11 11 3 + FILTER -7.0 -0.0 11 11 4 + SUB COMP -7.0 +0.0 11 11 5 + HF COMP -7.0 +0.0 11 11 6 + HF SOFTCLIP -7.0 +0.0 11 11 7 + COMPRESSOR -7.0 +0.0 11 11 8 + EQ -7.0 +0.0 11 11 9 + WIDTH -7.0 +0.0 11 11 10 + OUTPUT TX -6.8 +0.3 11 11 11 + OUTPUT (gain @ 0 dB) -6.8 +0.0 11 11 === AutoGain Effect — Full Chain === Signal: -6.0 dBFS 1 kHz sine, all modules ON Circuit AG OFF AG ON Delta Target Delta ----------------------------------------------- SLL -6.5 -6.5 +0.0 ±1.0 Nevy -6.4 -6.4 +0.0 ±1.0 Amok -6.8 -6.8 +0.0 ±1.0 === AutoGain Per-Module Contribution — Amok === Each module individually enabled, AG OFF vs ON Module AG OFF AG ON AG Compensation ---------------------------------------------- FILTER -0.9 -0.9 +0.0 SUB COMP -0.9 -0.9 +0.0 HF COMP -0.9 -0.9 +0.0 HF SOFTCLIP -0.9 -0.9 +0.0 COMPRESSOR -0.9 -0.9 +0.0 EQ -0.9 -0.9 +0.0 WIDTH -0.9 -0.9 +0.0 === Circuit Model Sweep — COMPRESSOR === Signal: -6.0 dBFS, all modules ON, Amok main, threshold -12 dB, AG OFF Model Output dB GR LEDs ---------------------------- Maney -8.8 2 SLL -9.3 3 Nevy -9.3 3 Amok -9.0 3 === Circuit Model Sweep — SUB COMP === Signal: -6.0 dBFS, all modules ON, Amok main, threshold -12 dB, AG OFF Model Output dB GR LEDs ---------------------------- SLL -6.8 0 Nevy -6.8 0 Amok -6.8 0 Maney -6.8 0 === Circuit Model Sweep — HF COMP === Signal: -6.0 dBFS, all modules ON, Amok main, threshold -12 dB, AG OFF Model Output dB GR LEDs ---------------------------- Nevy -6.8 0 Amok -6.8 0 Maney -6.8 0 SLL -6.8 0 === Circuit Model Sweep — HF SOFTCLIP === Signal: -6.0 dBFS, all modules ON, Amok main, threshold -12 dB, AG OFF Model Output dB GR LEDs ---------------------------- Tube -6.8 5 DPX -6.8 0 === Circuit Model Sweep — EQ === Signal: -6.0 dBFS, all modules ON, Amok main, threshold -12 dB, AG OFF Model Output dB GR LEDs ----------------------------- Maney -6.8 — SllAmok -6.8 — Nevy -6.8 — Pultey -6.8 — === Circuit Model Sweep — FILTER === Signal: -6.0 dBFS, all modules ON, Amok main, threshold -12 dB, AG OFF Model Output dB GR LEDs ----------------------------- Pultey -6.8 — Maney -6.8 — SllAmok -6.8 — Nevy -6.8 — === Circuit Model Sweep — INPUT TX === Signal: -6.0 dBFS, all modules ON, Amok main, threshold -12 dB, AG OFF Model Output dB GR LEDs ---------------------------- M1166 -6.8 — C9049 -6.7 — K1166 -6.7 — L1544 -6.4 — === Circuit Model Sweep — OUTPUT TX === Signal: -6.0 dBFS, all modules ON, Amok main, threshold -12 dB, AG OFF Model Output dB GR LEDs ---------------------------- M1166 -6.8 — C9049 -6.6 — K1166 -6.8 — L1544 -6.9 — === Level Sensitivity — SLL, AG OFF === Sine 1 kHz, all modules ON, output gain 0 dB (peak; LF noise floor masks signal at ≤ -18 dBFS) Input dBFS Output dBFS Throughput Clip LEDs Active ------------------------------------------------------------------------------------------------------------------------- -24.0 -24.5 -0.5 none -18.0 -18.5 -0.5 none -12.0 -12.5 -0.5 none -6.0 -6.5 -0.5 none -3.0 -3.7 -0.7 INPUT TX, FILTER, SUB COMP, HF COMP, HF SOFTCLIP, COMPRESSOR, EQ, WIDTH, OUTPUT TX +0.0 -1.3 -1.3 INPUT TX, FILTER, SUB COMP, HF COMP, HF SOFTCLIP, COMPRESSOR, EQ, WIDTH, OUTPUT TX === Level Sensitivity — Nevy, AG OFF === Sine 1 kHz, all modules ON, output gain 0 dB (peak; LF noise floor masks signal at ≤ -18 dBFS) Input dBFS Output dBFS Throughput Clip LEDs Active ------------------------------------------------------------------------------------------------------------------------- -24.0 -24.5 -0.5 none -18.0 -18.5 -0.5 none -12.0 -12.4 -0.4 none -6.0 -6.4 -0.4 none -3.0 -3.6 -0.6 INPUT TX, FILTER, SUB COMP, HF COMP, HF SOFTCLIP, COMPRESSOR, EQ, WIDTH, OUTPUT TX +0.0 -1.2 -1.2 INPUT TX, FILTER, SUB COMP, HF COMP, HF SOFTCLIP, COMPRESSOR, EQ, WIDTH, OUTPUT TX === Level Sensitivity — Amok, AG OFF === Sine 1 kHz, all modules ON, output gain 0 dB (peak; LF noise floor masks signal at ≤ -18 dBFS) Input dBFS Output dBFS Throughput Clip LEDs Active ------------------------------------------------------------------------------------------------------------------------- -24.0 -25.0 -1.0 none -18.0 -19.0 -1.0 none -12.0 -12.9 -0.9 none -6.0 -6.8 -0.8 none -3.0 -3.8 -0.8 INPUT TX, FILTER, SUB COMP, HF COMP, HF SOFTCLIP, COMPRESSOR, EQ, WIDTH, OUTPUT TX +0.0 -1.2 -1.2 INPUT TX, FILTER, SUB COMP, HF COMP, HF SOFTCLIP, COMPRESSOR, EQ, WIDTH, OUTPUT TX === Frequency Sensitivity — Full Chain (PD cross-check) === Sine -6 dBFS, all modules ON, AG OFF — internal must match Plugin Doctor at the same Hz Hz SLL dB Nevy dB Amok dB SLL Δ Nevy Δ Amok Δ ------------------------------------------------------------ 100 -6.5 -6.1 -6.8 -0.5 -0.1 -0.8 200 -6.5 -6.2 -6.7 -0.5 -0.2 -0.7 400 -6.5 -6.3 -6.7 -0.5 -0.3 -0.7 1000 -6.5 -6.4 -6.8 -0.5 -0.4 -0.8 2000 -6.5 -6.4 -6.7 -0.5 -0.4 -0.7 5000 -6.6 -6.6 -7.0 -0.6 -0.6 -1.0 === GR Indicator Verification — threshold -18 dB === Signal: -6.0 dBFS in each module's frequency band, Amok main, AG OFF Module Model GR LEDs GR dB -------------------------------------- SUB COMP SLL 4 8.3 SUB COMP Nevy 4 8.5 SUB COMP Amok 3 7.5 SUB COMP Maney 3 6.8 HF COMP Nevy 6 13.5 HF COMP Amok 6 12.6 HF COMP Maney 5 11.2 HF COMP SLL 6 13.3 HF SOFTCLIP Tube 5 10.4 HF SOFTCLIP DPX 6 18.3 COMPRESSOR Maney 5 10.2 COMPRESSOR SLL 6 12.0 COMPRESSOR Nevy 6 12.2 COMPRESSOR Amok 5 11.1 === GR at 0 dB Threshold (should be zero) === Signal: -6.0 dBFS in each module's frequency band, Amok main, AG OFF Module Model GR LEDs GR dB -------------------------------------- SUB COMP SLL 0 0.0 SUB COMP Nevy 0 0.0 SUB COMP Amok 0 0.0 SUB COMP Maney 0 0.0 HF COMP Nevy 0 0.7 HF COMP Amok 0 0.2 HF COMP Maney 0 0.0 HF COMP SLL 0 0.4 HF SOFTCLIP Tube 0 0.0 HF SOFTCLIP DPX 0 0.8 COMPRESSOR Maney 0 0.0 COMPRESSOR SLL 0 0.0 COMPRESSOR Nevy 0 0.2 COMPRESSOR Amok 0 0.0 === Metering Consistency — Input vs Output === Signal: -6.0 dBFS sine, Amok main State Actual Out (buffer) Out LED # Out VU Match? In LED dB In OK? ---------------------------------------------------------------------------------------------- All disabled (master off) -6.0 11 -3.0 OK -6.0 OK INPUT only (drive on) -6.9 11 -4.2 OK -6.0 OK INPUT + INPUT TX -7.0 11 -4.3 OK -6.0 OK Full chain -6.7 11 -4.1 OK -6.0 OK Full chain + AG ON -6.2 11 -3.6 OK -6.0 OK === Makeup Gain Cascade — COMPRESSOR makeup +6 dB === Signal: -6.0 dBFS sine, Amok main, threshold -18 dB, parallel 100 %, all modules ON AutoGain Out dB Δ vs makeup=0 ----------------------------------------- OFF (makeup=0) -16.2 — OFF (makeup=+6) -10.2 +6.0 ON (makeup=0) -12.8 +3.5 ON (makeup=+6) -4.9 +11.4 === Knee Width Verification === Sine 1 kHz, threshold -12 dB, sweep input -40..0 dBFS step 4 dB Module/Model Soft Width Hard Width Different? ------------------------------------------------------ COMPRESSOR SLL 6.5 dB 5.0 dB OK COMPRESSOR Maney 7.0 dB 5.5 dB OK SUB COMP SLL 7.5 dB 6.0 dB OK HF COMP Nevy 7.5 dB 5.0 dB OK HF SOFTCLIP Tube 0.0 dB — N/A HF SOFTCLIP DPX 25.5 dB — N/A === Pre/Post Routing Verification === Signal: -6.0 dBFS sine 1 kHz, Amok main, only target + neighbour modules Module Pre Output Post Output Differ? ----------------------------------------------- SUB COMP -9.6 -9.7 OK HF COMP -12.4 -12.7 OK HF SOFTCLIP -12.0 -13.0 OK EQ -4.8 -3.4 OK === Transformer Model Comparison === Signal: -6.0 dBFS 1 kHz sine, Amok main, only TX module enabled Position Model Output dB RMS Out dB ------------------------------------------ INPUT TX M1166 -7.1 -10.4 INPUT TX C9049 -7.0 -10.3 INPUT TX K1166 -7.0 -10.3 INPUT TX L1544 -6.6 -10.0 OUTPUT TX M1166 -6.8 -10.1 OUTPUT TX C9049 -6.6 -9.9 OUTPUT TX K1166 -6.8 -10.2 OUTPUT TX L1544 -6.9 -10.3 === TrueRail A/B/C Variation === Signal: -6.0 dBFS 1 kHz sine, all modules ON, AG OFF Circuit Tier Output dB Throughput dB ------------------------------------------- SLL A -6.5 -0.5 SLL B -6.5 -0.5 SLL C -6.5 -0.5 Nevy A -6.4 -0.4 Nevy B -6.4 -0.4 Nevy C -6.4 -0.4 Amok A -6.8 -0.8 Amok B -6.7 -0.7 Amok C -6.8 -0.8 === Acceptance: Crossover Frequency Verification === Threshold -18 dB, -6 dBFS sine, GR at 100 Hz vs 10 kHz under min/max crossover Module Xover GR @ 100 Hz GR @ 10 kHz Band check ------------------------------------------------------------- SUB COMP min 0.23 dB 0.00 dB LF-only OK SUB COMP max 7.85 dB 0.00 dB LF-only OK HF COMP min 0.00 dB 14.18 dB HF-only OK HF COMP max 0.01 dB 0.00 dB out-of-range OK === Acceptance: Attack/Release Knob Verification === COMPRESSOR (SLL), threshold -18 dB, transient probes 1 kHz Knob Setting Knob ms GR depth dB Monotonic? ----------------------------------------------------- Attack FAST 1 ms 13.01 dB OK Attack SLOW 100 ms 11.52 dB OK Release FAST 30 ms 0.00 dB held OK Release SLOW 1200 ms 7.48 dB held OK === Acceptance: Parallel Mix Sweep — COMPRESSOR (SLL) === 1 kHz -6 dBFS, threshold -18 dB; only COMPRESSOR enabled to isolate the wet/dry blend Mix % Output dB GR LEDs (meter) GR dB (meter) --------------------------------------------------- 0 % -6.9 6 12.07 25 % -8.8 6 12.07 50 % -11.0 6 12.07 75 % -14.1 6 12.07 100 % -19.0 6 12.07 === Acceptance: WIDTH / SPACE / MONO SUM Range === 1 kHz -6 dBFS mono input — verify each knob produces a finite, sane output across its range Knob Setting Output dB Status -------------------------------------- WIDTH -100 % -6.7 OK WIDTH 0 % -6.8 OK WIDTH 100 % -6.7 OK SPACE -100 % -6.8 OK SPACE 0 % -6.8 OK SPACE 100 % -6.8 OK MONO SUM 20 Hz -6.8 OK MONO SUM 110 Hz -6.8 OK MONO SUM 200 Hz -6.8 OK === Acceptance: Module Bypass Behavior === 1 kHz -6 dBFS, baseline = all on; disable each module in turn Module Output dB Δ vs all-on Tol Persist? ------------------------------------------------------------------------------- (baseline all on) -6.8 0.00 dB — ref INPUT TX -6.7 +0.1 ±1.0 needs linear-shell pass FILTER -6.8 +0.0 ±0.3 yes (transparent filters) SUB COMP -6.8 +0.0 ±0.3 needs LR4 pass HF COMP -6.8 -0.0 ±0.3 needs LR4 pass HF SOFTCLIP -6.8 -0.0 ±0.3 needs LR4 pass COMPRESSOR -6.8 -0.0 ±0.3 needs parallel-mix pass EQ -6.8 -0.0 ±0.3 yes (flat EQ circuit) WIDTH -6.8 -0.0 ±0.3 yes (default M-S matrix) OUTPUT TX -7.1 -0.3 ±1.0 needs linear-shell pass === PF9: Filter SHARP peak + HPF/LPF independence === Signal: -6 dBFS sine at probed frequency, FILTER only on Scenario Probe (Hz) Output dB Result ----------------------------------------------------------------------------------- SHARP, LOW=100, HI=10k 1k passband -6.9 ref SHARP, LOW=100, HI=10k 100 Hz LOWCUT peak -5.5 (rel +1.4) OK ≤+3 dB SHARP, LOW=100, HI=22k (open) 100 Hz LOWCUT peak -5.5 (rel +1.4) PEAK SURVIVES === OT5: Cross-drive TX coupling === AMOK chain, -6 dBFS sine, AutoGain OFF INPUT TX % OUTPUT TX % FR @ 20 Hz FR @ 50 Hz FR @ 1 kHz LF dev (|20-1k|) ------------------------------------------------------------------------------- 50 50 -5.2 -6.7 -6.8 1.57 dB 130 5 -5.2 -6.7 -6.8 1.53 dB 5 130 -5.2 -6.7 -6.8 1.59 dB 50 200 -5.2 -6.7 -6.8 1.56 dB === FF1: OUTPUT TX swept-sine coupling === AMOK chain, -6 dBFS sine, AutoGain OFF — STEADY vs SWEPT TX cfg Freq (Hz) STEADY (dB) SWEPT (dB) |Δ| (dB) -------------------------------------------------------- OUT-hot 20 -5.2 -7.2 1.96 dB OUT-hot 30 -5.4 -4.0 1.42 dB OUT-hot 40 -6.5 -6.0 0.51 dB OUT-hot 50 -6.7 -6.8 0.15 dB OUT-hot 60 -6.8 -6.8 0.00 dB OUT-hot 80 -6.8 -6.9 0.12 dB OUT-hot 100 -6.8 -6.9 0.11 dB IN-hot 20 -5.2 -7.1 1.89 dB IN-hot 30 -5.4 -4.0 1.37 dB IN-hot 40 -6.5 -5.9 0.55 dB IN-hot 50 -6.7 -6.9 0.18 dB IN-hot 60 -6.7 -6.7 0.03 dB IN-hot 80 -6.7 -6.8 0.11 dB IN-hot 100 -6.7 -6.9 0.13 dB === CONFIGURATION MATRIX SUMMARY === Per-Module Unity Gain: OK INPUT (Drive) — -0.9 to -0.4 across personalities (target ±2.5) OK INPUT TX — -0.1 to -0.1 across personalities (target ±0.5) OK FILTER — +-0.0 to +-0.0 across personalities (target ±1.5) OK SUB COMP — +-0.0 to +-0.0 across personalities (target ±1.0) OK HF COMP — +-0.0 to +-0.0 across personalities (target ±0.3) OK HF SOFTCLIP — +-0.0 to +-0.0 across personalities (target ±0.3) OK COMPRESSOR — +0.0 to +0.0 across personalities (target ±1.0) OK EQ — +-0.0 to +-0.0 across personalities (target ±0.3) OK WIDTH — +-0.0 to +-0.0 across personalities (target ±0.3) OK OUTPUT TX — +0.1 to +0.2 across personalities (target ±2.0) OK OUTPUT — +0.0 to +0.0 across personalities (target ±0.1) AutoGain Accuracy: OK AutoGain SLL — delta +0.0 (target ±1.0) OK AutoGain Nevy — delta +0.0 (target ±1.0) OK AutoGain Amok — delta +0.0 (target ±1.0) Metering Accuracy: OK Output metering matches actual buffer level — 5/5 states within 1 dB OK INPUT meter is tapped pre-chain (FC3 invariant) — 5/5 states within ±0.5 dB of the host signal level GR Indicators: OK SUB COMP GR responsive to threshold — threshold -18 dB @ 50 Hz → 4 GR LED(s) (8.3 dB) OK HF COMP GR responsive to threshold — threshold -18 dB @ 16000 Hz → 6 GR LED(s) (13.5 dB) OK HF SOFTCLIP GR responsive to threshold — threshold -18 dB @ 15000 Hz → 5 GR LED(s) (10.4 dB) OK COMPRESSOR GR responsive to threshold — threshold -18 dB @ 1000 Hz → 5 GR LED(s) (10.2 dB) Knee Widths: OK COMPRESSOR SLL soft vs hard differ — soft 6.5 dB / hard 5 dB OK COMPRESSOR Maney soft vs hard differ — soft 7 dB / hard 5.5 dB OK SUB COMP SLL soft vs hard differ — soft 7.5 dB / hard 6 dB OK HF COMP Nevy soft vs hard differ — soft 7.5 dB / hard 5 dB TX Model Comparison: OK INPUT TX models distinct — spread across 4 models: 0.41 dB OK OUTPUT TX models distinct — spread across 4 models: 0.36 dB OK Amok TrueRail A≠B≠C (variation present) — spread A-C: 0.052 dB OK Amok TrueRail spread is subtle (factory-tolerance class) — spread A-C: 0.052 dB (target ≤ 2.0 dB) OK Nevy TrueRail A≠B≠C (variation present) — spread A-C: 0.013 dB OK Nevy TrueRail spread is subtle (factory-tolerance class) — spread A-C: 0.013 dB (target ≤ 1.0 dB) OK SLL TrueRail A≠B≠C (variation present) — spread A-C: 0.014 dB OK SLL TrueRail spread is subtle (factory-tolerance class) — spread A-C: 0.014 dB (target ≤ 1.0 dB) OK TrueRail A→B→C→A returns to initial A (PF1 idempotency) — initial A: -6.5 | returned A: -6.5 | drift: 0.004 dB Pre/Post Routing: OK SUB COMP Pre/Post routes differently — pre -9.6 / post -9.7 OK HF COMP Pre/Post routes differently — pre -12.4 / post -12.7 OK HF SOFTCLIP Pre/Post routes differently — pre -12.0 / post -13.0 OK EQ Pre/Post routes differently — pre -4.8 / post -3.4 Acceptance Coverage: OK SUB COMP crossover min — band ordering correct — xover=40 Hz; GR@100=0.23 GR@10k=0.00 OK SUB COMP crossover max — band ordering correct — xover=250 Hz; GR@100=7.85 GR@10k=0.00 OK HF COMP crossover min — band ordering correct — xover=6000 Hz; GR@100=0.00 GR@10k=14.18 OK HF COMP crossover max — band ordering correct — xover=20000 Hz; GR@100=0.01 GR@10k=0.00 OK SUB COMP engages with in-band 100 Hz probe (PF4) — GR @ 100 Hz, threshold -18 dB, xover 250 Hz: 7.85 dB OK HF COMP engages with in-band 10 kHz probe (PF4) — GR @ 10 kHz, threshold -18 dB, xover 6 kHz: 14.18 dB OK HF SOFTCLIP engages with in-band 10 kHz probe (PF5) — GR @ 10 kHz, threshold -18 dB, xover 6 kHz: 10.34 dB OK COMPRESSOR Attack knob: FAST engages deeper than SLOW — fast=13.01 dB GR / slow=11.52 dB GR @ 80 ms burst OK COMPRESSOR Release knob: SLOW holds more GR than FAST — slow held=7.48 dB / fast held=0.00 dB after 200 ms silence OK Parallel 0 % is dry (output ≈ input) — output @ 0 % = -6.9 (input -6.0 dBFS, target ±1.5 dB) OK Parallel 100 % is wet (output below dry baseline) — output @ 0 % = -6.9 / @ 100 % = -19.0 (delta -12.1) OK Parallel mix sweep is monotonic (no holes) — output by mix (0/25/50/75/100): -6.9 / -8.8 / -11.0 / -14.1 / -19.0 OK WIDTH/SPACE/MONO SUM produce finite output across full sweep — 9/9 sample points within (-90 dBFS, +6 dBFS) at 1 kHz mono input OK All toggleable modules bypass cleanly (no silence, no NaN) — 9/9 modules produced finite output with single-bypass OK Module bypass paths are level-matched (Ω2.4) — 9/9 modules within per-module tolerance OK Filter SHARP LOWCUT peak ≤ +3 dB above passband (PF2) — 100 Hz peak = -5.5 vs 1 kHz passband = -6.9 → relative +1.4 OK LOWCUT peak survives a fully-open HIGHCUT (PF3) — with HIGHCUT at 22 kHz (open), 100 Hz peak = -5.5 (relative +1.4) OK EQ HIGH +6 dB → 50 Hz LF response within 1.5 dB (CF1+CF3) — 50 Hz baseline = -6.7 | EQ +6 dB = -6.7 | |Δ| = 0.037 dB (target ≤ 1.5) OK Filter active at LOWCUT=15 Hz (CF2 — no extremum bypass) — 50 Hz @ LOWCUT=15 Hz: -6.4 | LOWCUT=30 Hz: -4.6 | |Δ| = 1.749 dB (target ≥ 0.05 — proves filter is active at the knob extreme) OK OUTPUT-hot LF deviation ≤ 3× INPUT-hot (FF1 closes the rubber-band) — INPUT-hot dev: 1.53 dB | OUTPUT-hot dev: 1.59 dB | ratio: 1.04 (target ≤ 3.0) OK OUTPUT-hot 50 Hz dip ≤ 3 dB vs 1 kHz (FF1 — no notch) — |FR@50Hz - FR@1kHz| at INPUT 5 % / OUTPUT 130 %: 0.08 dB (target ≤ 3.0) OK Default 50 % / 50 % LF deviation in normal range (INPUT TX unchanged) — default LF dev: 1.57 dB (sanity ≤ 6.0) OK OUTPUT-hot SWEPT vs STEADY ≤ 5 dB at every LF point (FF1 swept-sine fix) — max |Δ| across 20-100 Hz: 1.96 dB (target ≤ 5.0) OK OUTPUT-hot SWEPT-method LF ripple ≤ 8 dB across 20-100 Hz — max - min in SWEPT measurement: 3.18 dB (target ≤ 8.0) OK INPUT-hot SWEPT vs STEADY ≤ 5 dB (INPUT TX path unchanged) — INPUT-hot max |Δ|: 1.89 dB (target ≤ 5.0 — sanity that OTF1 only touches OUTPUT) Other: OK Makeup +6 dB cascades downstream (AG OFF) — cascaded delta: +6.0 (expected ~+6 dB) ISSUES FOUND: 0 PASSING: 63/63 checks ══════════════════════════════════════════════════════════════ Sphinx 101 v1.0.0 Component-Level Analog Modeling with TrueRail™ Technology 63 measurements · 0 failures · 0 warnings All measurements passed — signal integrity verified. analogrealism.com · support@analogrealism.com Made in Finland ══════════════════════════════════════════════════════════════