Nakamichi DVD-10

There are two different machines called the Nakamichi DVD-10. One is a DIY project that circulated in forums around 2008-2015, built by modifying a Panasonic DVD-S700 chassis with Nakamichi-designed audio circuitry. The other is a commercial product reviewed as a "new concept product" and "a complete working universal player" - the first in a new line of high-end Nakamichi components. Audio magazine's October 1999 buyer's guide (p.41) lists CD and DVD players with their conversion types and digital outputs, which gives some period context for universal players of that era. The record is conflicted on which of these is the "real" DVD-10, and almost every technical claim traces back to a single source.

What can be said with reasonable confidence: the DVD-10 is a universal player (DVD-Audio and CD) aimed at audiophiles, and it appears to sit below the DVD-10A and DVD-20 in Nakamichi's lineup. Design details attributed to it include a dual-mono DAC arrangement, a pure Class-A analog output stage using discrete transistors rather than op-amps, and dual toroidal transformers — one for digital, one for analog. The chassis is described as heavily damped with a layered steel and copper base. One source describes the transport as a modified Panasonic DVD-S700; The Absolute Sound mentions a top-loading drawer with a magnetic puck clamp. Claimed specs are thin: frequency response of 4 Hz–44 kHz (±0.5 dB) for CD and 4 Hz–88 kHz for DVD-Audio, a signal-to-noise ratio of 120 dB or more, and a headphone amp rated at 100 mW into 32Ω.

A contrary lab analysis on audibleinsults.com reported measurable 60 Hz hum and a spurious 12 kHz tone in the right channel. That directly contradicts the claim that the power supply is dead quiet. Owners have also reported mechanical hum from the toroidal transformers after a few years, and belt failure in the transport. Spare parts are unavailable, since the unit was released in small numbers.

No production years, original retail price, dimensions, or weight have surfaced in any source. The DIY Panasonic-based build and the 2024 commercial release are different animals, and the public record doesn't always say which one it's describing.