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DUNU CONCEPT R CD Player
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Dunu Concept R Lecteur CD DAC R2R 32bit 768kHz DSD512
The DUNU Concept R is a portable CD player that combines retro-futuristic design with state-of-the-art audiophile performance. Featuring a fully discrete R-2R DAC architecture and amplification selectable in Class A or AB modes, it offers an authentic analog listening experience, whether on the move or at home.
This makes the DUNU Concept R the ideal companion for audiophiles wishing to rediscover their CD collections with exceptional sound quality, combining modern technology with retro charm.
Dunu Concept R: High-end design
At the heart of the Concept R is a discrete, symmetrical four-channel R-2R DAC, featuring 192 precisely matched resistors. This configuration ensures smooth, natural digital-to-analog conversion, reproducing musical detail with exceptional fidelity. The integrated amplifier offers output power of up to 1.3W into 32Ω in balanced mode, with the option of choosing between Class A and AB modes to tailor the sound signature to the user's preferences. There's a transistor and a JAN6418 tube amplifier stage.
Dunu Concept R: Elegant design and intuitive functions
The Concept R is machined from a block of aerospace-grade aluminum, offering a robust structure and refined aesthetics. Its user interface features a 2.08” monochrome OLED display and a digital volume slider inspired by analog controls, facilitating intuitive navigation. The CD playback mechanism features a high-performance servo developed in-house, guaranteeing precise playback of 12cm and 8cm CDs, including CD-Rs.
Dunu Concept R: Connectivity and autonomy
The Concept R offers versatile connectivity with unbalanced Jack 6.35mm and balanced Jack 4.4mm headphone outputs, a balanced Jack 4.4mm line output for external amplifiers, as well as an optical output and USB audio input supporting PCM up to 32bit 768kHz and DSD up to DSD512. It's powered by a 12000mAh (31.58Wh) battery, offering extended autonomy for long listening sessions.
Technical characteristics
| Specifications | |
|---|---|
| Product type | CD player |
| Inputs | CD player Bluetooth 5.3 |
| Outputs | 1x Single-ended Jack 3.5mm headphone output 1x Balanced Jack 4.4mm headphone output 1x Coaxial 1x Optical Toslink |
| Decoding architecture | Discrete R-2R DAC with four-channel symmetrical architecture |
| CD compatibility | 12cm & 8cm CD / CD-R |
| Supported Bluetooth codecs | SBC, aptX, aptX Adaptive |
| Battery capacity | 3.8V 12000mAh (31.58Wh) |
| Battery lifetime | 10h of playback |
| Amplification type | Class A / AB |
| Jack 3.5mm output power (transistors) | Low gain: 57mW @ 32Ω High gain: 158mW @ 32Ω High gain: 330mW @ 32Ω (DC supply) |
| Jack 3.5mm output power (tubes) | Low gain: 47mW @ 32Ω High gain: 158mW @ 32Ω High gain: 268mW @ 32Ω (DC supply) |
| Jack 4.4mm output power (transistors) | Gain faible : 195mW @ 32Ω Gain élevé : 551mW @ 32Ω Gain élevé : 1220mW @ 32Ω (alimentation DC) |
| Jack 4.4mm output power (tubes) | Gain faible : 195mW @ 32Ω Gain élevé : 551mW @ 32Ω Gain élevé : 1087mW @ 32Ω (alimentation DC) |
| Supported sampling rates (USB DAC) | PCM up to 32bit 768kHZ DSD up to DSD512 |
| THD+N | Jack 3.5mm output: 0.03% Jack 4.4mm output: 0.02% |
| Dynamic range | Jack 3.5mm output: 116dB Jack 4.4mm output: 117dB |
| SNR | Jack 3.5mm output: 116dB Jack 4.4mm output: 117dB |
| Output impedance | Jack 3.5mm output: 4.7Ω Jack 4.4mm output: 6.6Ω |
| Screen | OLED 2.08" |
| General | |
|---|---|
| Supply voltage | 5V 2A or 9V 2A via USB-C |
| Weight | ~ 1.16kg |
| Dimensions | 205 x 150 x 32mm |
| Color | Silver |
| Package | 1x Dunu Concept R 1x USB-C charging cable 1x Protective case |
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