Troubleshooting

Wow & Flutter “Perceptible”: Why It Happens and How to Confirm It Without Expensive Equipment

Anyone who works with vintage audio restoration recognizes the moment immediately: a sustained piano note wavers, a vocal line seems to “breathe,” and long-held chords refuse to remain stable. What you are hearing is not imagination or nostalgia—it is wow & flutter becoming perceptible. In the turntable clinic, this symptom is one of the most …

Noise That Appears Only When You Touch the Tonearm: Where the Bad Contact Really Is

In the restoration workshop, few complaints are as intriguing—and as diagnostically revealing—as this one: “The noise only appears when I touch the tonearm.” At first glance, it sounds like a minor annoyance. In practice, it is one of the clearest signals a turntable can give. This behavior almost always points to grounding faults, oxidation, broken …

Switched-Mode Power Supplies, Wi-Fi, and Interference: Why Your Vintage Turntable System Got Noisier

The moment you finish restoring a vintage turntable, you expect silence between notes: a calm background, a steady platter, a clean lead-in groove. Yet many people notice the opposite after upgrading “everything around it” — new routers, smart bulbs, LED lamps, laptop chargers, USB power bricks. Suddenly, the system that once sounded smooth now carries …