Audio Knowledge Base

Chronological index of factual notes, concepts, and references related to audio systems and experiments.

Concepts & Theory

  • [2026-01] [WIP] Subwoofer Acoustic Principles – Notes on low-frequency propagation
  • [2025-08] [NEW] SPL vs Sound quality – Finding the Acoustic Balance
  • [2024-03] [OBSOLETE] Early Amplifier Theory – Historical reference only

Measurements

  • [2025-11] [NEW] Home SPL Tests – Recent room measurements and results
  • [2025-05] [WIP] Car Audio Frequency Response – Ongoing calibration logs
  • [2023-12] [OBSOLETE] Vintage Speaker Measurements – Superseded by new methodology

References & Notes

  • [2022] [OBSOLETE] Early DAC Comparison Notes – Archived documentation
  • [2021] Audio System Wiring Standards – Historical reference
  • [2020] Headroom & Gain Structure Notes – Outdated but retained for context