Direct Sound Records · London–Rome

Groove Scope Measurements

Open reference measurements of vinyl playback systems, created with Groove Scope by Michelangelo Canonico and Direct Sound Records.

Public measurement archive

Each record combines a readable technical summary, structured JSON data, and the original Groove Scope PDF report. Unknown fields are marked explicitly rather than inferred.

GS-2026-0001

1 kHz Reference Check

Draft — metadata completion required

Playback speed error: -0.71%. DIN-weighted wow and flutter: 0.045%. Average 1 kHz separation: 30.4 dB.

Read the measurement · View files on GitHub

GS-2026-0002

Ortofon OM10 / Thorens TD160 Super / SME III

Draft — metadata completion and repeat capture required

Playback speed error: +2.41%. DIN-shaped wow and flutter: 0.037%. Average 1 kHz separation: 26.8 dB.

Read the measurement · View files on GitHub

Related Direct Sound Records applications

Groove Scope is the measurement application used to create this archive. Resonance Lab is the companion application for planning tonearm and cartridge resonance compatibility.