Kenwood DP-3060 (circa 1995)
The Kenwood DP-3060 is a CD player listed in the Audio Database at a Japanese list price of ¥32,000, which places it around 1995. It was a mid-range single-disc machine built around a few technical talking points Kenwood was pushing at the time.
The DP-3060 has a high-precision master clock with a discrete oscillation circuit based on a Source Follower design. The idea is that a circuit with gain of less than one won't amplify external noise while it oscillates the reference signal. That gives a cleaner clock and lower jitter. On the conversion side it uses a 4th-order, 0-shift noise-shaping 1-bit D/A converter, which pushes requantization noise out of the audio band. Measured specs are a signal-to-noise ratio of 100 dB or more, dynamic range of 97 dB or more, and total harmonic distortion of 0.0022% or less (all EIAJ).
Other details include a digital servo system, an OEIC pickup with a built-in RF amplifier, and a digital attenuator. It has a variable output (0 V to 2.0 V / 0.4 kΩ) and an optical digital output, plus a headphone jack with its own volume control. A wireless remote came in the box. It draws 10W and weighs 3.5 kg (440 × 107 × 270 mm).
Not much else is documented on this model. There's no recorded market reception or product family positioning. The service manual is still available, and used units turn up on European classifieds sites, often around €40-95, which suggests it sold reasonably well in that region. The practical reliability record is undocumented.
Known Specs
- Frequency response: 4 Hz – 20 kHz (EIAJ)
- S/N ratio: 100 dB or more (EIAJ)
- Dynamic range: 97 dB or more (EIAJ)
- THD: 0.0022% or less (1 kHz, THD+N, EIAJ)
- Channel separation: 98 dB or more (1 kHz, EIAJ)
- Wow & flutter: below measurement limit (±0.001% W Peak)
- Outputs: variable line out (0–2.0 V / 0.4 kΩ), optical digital, headphone (20 mW @ 32 Ω)
- Power: 100 VAC, 50/60 Hz, 10W
- Dimensions: 440 × 107 × 270 mm; 3.5 kg
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