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Naim CD5si CD Player

Naim CD5si CD Player

£900.00 Exc. VAT |  
Out of stock  


Please note, this product requires collection from our showroom. Not available to purchase online

Naim Audio CD5si CD Player 

What is the CD5si?

The CD5si replaces the CD5i as Naim's entry level CD Player

It is a result of Naim's continued development work into digital audio and CD pl

ayback, applying high-end audio technology to deliver even greater sound quality at its price point.

Ideally paired with the NAIT 5i integrated amplifier, the CD5si is part of an attractive and accessible two-box solution that can deliver superb sound quality from your CDs. 

The CD5si CD player, especially when partnered with the complementary NAIT 5i integrated amplifier, sets a thrilling new standard for the musical performance of entry-level hi-fi.

With so much focus on audio streaming and downloads it might seem easy to forget the humble CD. But not at Naim. After all, the CD is still by far the World's most popular music format and for millions of music enthusiasts compact disc collections still constitute the heart and soul of precious music libraries. This outstanding machine, which replaces the previous CD5i, brings worthwhile performance benefits for users but retains the functionality and straightforward usability of the classic player. The CD5si is designed to be the best in its class, incorporating genuine technological advances to provide a thoroughly enjoyable musical experience. 

New and improved DAC section - including Burr Brown PCM1793 DAC chip (similar to that used in the SuperUniti and NDX except it's hardware controlled because it doesn't need to adjust for different sample rates) The filter stage and clock have also been improved. The result is dramatically lower outer band noise than the CD5i for greater sound quality.

New high-performance CD mechanism - with new and improved laser-optics and silent door operation

New analogue filer stages - specially selected through listening tests for their beneficial effect on sound quality

Internal PSU voltage increased - for improved linearity of the output signal and subsequently greater sound quality. 

The CD5si name may only differ from its CD5i predecessor by one character, but under the skin there's numerous fundamental improvements and advances - each one aimed at extracting more music and enjoyment from every CD. To begin with, the CD5si digital to analogue converter chip has been upgraded to a Burr Brown PCM1793 - a device very closely related to the one used in the NDX high-end streaming player. The CD5si also benefits from a more stable DAC clock, higher voltage power supply rails, a revised analogue filter design and a brand new CD transport and laser optics. It goes without saying of course that all these changes were driven by our relentless search for engineering reliability, sound quality and audio performance, and the benefit of each change was confirmed after many hours of listening.

However, just as change can bring improvement, there's often nothing wrong with sticking to your guns, so the CD5si retains all of its predecessor’s best features and Naim trademarks. The unique Naim swing-out CD drawer, in-house and industry standard CD transport, laser tracking and digital error correction software, discreet analogue output electronics, and a die-cast, non magnetic enclosure construction that helps ensures the electronics within can extract the most possible music from every CD.




Frequency Response

10Hz – 20kHz, -0.6dB@20kHz

Minimum Load Impedance


Analogue Outputs


Output Impedance

10Ω maximum

Line Outputs Fixed (level)

2.1Vrms at 1kHz


<0.007%, 10Hz - 20kHz at full level

Phase Response

Linear phase, absolute phase correct


±0.1dB referred to main response


Infrared remote

RC5 format


CD Formats

Red Book

Disc Compatibility



Front Panel



Remote handset



DIN and RCA outputs


Supply Voltage

100V, 115, 230V (50 or 60Hz)

Power consumption (play mode)


Power consumption (peak)



Product dimensions (mm)

70 x 432 x 301mm (H x W x D)

Shipping Dimensions

200 x 580 x 500mm (H x W x D)

Shipping Weight


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