Resource
Spinorama
Searchable collection of loudspeaker measurements in the spinorama (CTA-2034) style, showing each speaker's price, tonality score, bass extension, flatness and SPL, with data sourced from reviewers such as Erin's Audio Corner.
Verification sources
Related resources
Erin's Audio Corner
measurement
Loudspeaker-review resource pairing published acoustic measurements with video discussion. Its sample reviews explain Klippel Near-Field Scanner testing, CTA-2034 response data and output-compression checks, while disclosing how review samples were obtained and whether payment was received.
Sources
Audio Asylum
forum
Long-running audiophile discussion site whose own title describes it as a home for audio reviews, audiophile forums and stereo reviews, with forums organised by component and topic.
Sources
Audio Precision
tool
Audio Precision supplies APx audio analyzers and measurement software for engineering and production testing. Its electroacoustic options cover driver characterization, loudspeaker response, impedance and manufacturing faults, making it an equipment-testing resource rather than a consumer listening-room calibration app.
Sources
Dayton Audio OmniMic V2
tool
Dayton Audio OmniMic V2 is a calibrated USB microphone and Windows measurement-software system for speakers and listening rooms. Its tools include frequency and impulse response, distortion, reverberation, bass decay and polar plots, with software tied to the supplied microphone hardware.
Sources
eCoustics
publication
eCoustics is an online publication covering hi-fi, home theater, headphones, music and consumer technology. Founded as a reviews portal, it now combines original reviews, product news, how-to articles and review aggregation, with named authors and separate editorial and announcement sections.
Sources
Elliott Sound Products
diy
Australian DIY-audio and electronics resource publishing circuit explanations, schematics and projects, with PCBs sold for selected designs. Rod Elliott’s stated approach emphasizes measurements, controlled listening tests and buildable circuits, while the library extends from amplifiers and crossovers to studio equipment, speakers and general electronics.