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I25 Prisma – modular integrated amplifier and network player

I25 Prisma combines the DM35 digital to analog conversion and SM35 Prisma network player modules with the award winning I25 modular integrated amplifier platform, featuring our UFPD 2 amplification technology delivering 100 watts of power per channel, to create an extraoridinarily versatile control and power centre for any system.

HiFi+ Innovation Award 2021I25 Prisma: The Right OptionI25 Prisma: Music Box of Swedish SteelI25 Prisma: Prime NumberI25: Primare I25
Primare I25 Prisma modular integrated amplifier and network player technology inside

Technology

I25 Prisma modular integrated amplifier is the latest iteration of Primare’s now iconic integrated amplifiers and among the first to use our new UFPD 2 power system, a radical reworking of Primare’s award-winning UFPD all-analog Class-D technology.

Providing 100 watts at 8 ohms of absolutely linear UFPD 2 amplification across the entire audible bandwidth, I25 Prisma delivers naturally fast, clean and agile sound with an unprecedented ability to bring music to life.

The I25 Prisma includes both the sophisticated digital to analog converter module, DM35, as well as a Prisma network player module, SM35, to create an extraoridinarily versatile system control centre.

The DM35 is a full-featured digital to analog converter stage enabling up to PCM 768kHz/32bit and DSD 256 conversion.

I25 Prisma continues a Primare tradition of delivering astonishing performance from compact and elegant integrated amplifiers for easy installation into virtually any living environment.

Primare I25 Prisma modular integrated amplifier and network player side black

Prisma – Network and Multiroom Technology


Prisma is a bundle of technologies that provide the broadest range of network music player features and functionality. Essentially created to be a streamer that would allow everyone, and everywhere, in the household to explore, discover, and share the deeply satisfying experience of high-performance music playback – Prisma provides multi-room/multi-zone connectivity and control of stored and streamed media, whether wired or wireless, all managed from mobile devices through the dedicated Prisma system control app.

In addition to AirPlay 2, Bluetooth®, Roon Ready*, and Spotify Connect®, Prisma features Chromecast built-in, a unique streaming portal allowing effortless direct connection to hundreds of streaming applications and services, including voice control, for the best possible performance and user experience.

*with future update

The look and feel of Scandinavia

We believe that every aspect of our products – the way they look, the satisfying feel of the controls – contributes to the overall experience of living with Primare. As a result, Primare products exude the hallmarks of Scandinavian design – simple, elegant designs, with approachable and easy to understand functionality.
An example of this is our signature control knob, known throughout the industry for both its appearance as well as how it feels in the hand as an input is selected or volume adjusted. – or as we say lagom, not too much not too little, everything in balance, proportion, and harmony.

Primare I25 DAC modular integrated amplifier and digital to analog converter front black

Modular Design and System Building

We feel it is essential to offer modularity whenever possible in order to have just the right features, both now and for the future. Modular design is featured in the I25 and I35 modular integrated amplifiers, as well as the PRE35 modular preamplifier, all of which can be updated with DAC and Prisma modules, as well as the CD35 CD player that can have the Prisma module added, either at the time of purchase or at a later date. As a result, we are able to offer a carefully considered array of models and configurations in order to allow for device selection that best fits any system need. For example, a CD35 with Prisma module installed can be paired with an I35 integrated amplifier, allowing for a separation of analog and digital stages. Or, an I35 with DAC and Prisma modules installed can be paired with a DD35 CD transport, allowing for multi-room and multi-zone playback of every input, whether analog or digital source.

Modular Design and System Building

We feel it is essential to offer modularity whenever possible in order to have just the right features, both now and for the future. Modular design is featured in the I25 and I35 modular integrated amplifiers, as well as the PRE35 modular preamplifier, all of which can be updated with DAC and Prisma modules, as well as the CD35 CD player that can have the Prisma module added, either at the time of purchase or at a later date. As a result, we are able to offer a carefully considered array of models and configurations in order to allow for device selection that best fits any system need. For example, a CD35 with Prisma module installed can be paired with an I35 integrated amplifier, allowing for a separation of analog and digital stages. Or, an I35 with DAC and Prisma modules installed can be paired with a DD35 CD transport, allowing for multi-room and multi-zone playback of every input, whether analog or digital source.

I25 and I35 Integrated Amplifier

In this video we review the features and functionality of both the I25 and I35 modular integrated amplifier platforms that may make them the perfect addition to your system.

Primare Help Centre

Hej! Have a question or need assistance? Contact your local dealer or distributor found at the list at the link above or go to the Primare Help Centre to browse through our FAQ database for the answers to your questions or if you don’t find what you are looking for there, submit a Help Request. 

Visit the Primare Help Centre

Primare Help Centre

Hej! Have a question or need assistance? Contact your local dealer or distributor found at the list at the link above or go to the Primare Help Centre to browse through our FAQ database for the answers to your questions or if you don’t find what you are looking for there, submit a Help Request. 

Visit the Primare Help Centre

  • UPFD 22 x 100W 8 ohms / 2 x 200 4 ohms
  • RCA5 x stereo pair analog inputs
  • RCA1 x stereo pair analog LINE output
  • RCA1 x stereo pair analog PRE output
  • C25 remoteIR system control
  • IR3.5 mm input/output
  • 12V Trigger3.5 mm output
  • RS232outboard system control port
  • DACAKM AK4497
  • Toslink4 x digital input
  • RCA2 x digital input
  • RCA1 x digital output
  • USB-B1 x digital input
  • Prismacontrol and connectivity
  • USB-A1 x digital input
  • Ethernetx 2
  • WiFi
  • AirPlay
  • Bluetooth
  • Chromecast built-in
  • Spotify Connect
  • Weight11 Kg
  • Dimensions430 x 106 x 420 mm (WHD)
  • Finishesblack or titanium
  • Retail Price€3500

For more detailed specifications see the design brief and user guide.

  • HiFi+, UK, October 2021
    HiFi+ Innovation Award 2021

    Primare have received an Innovation award from HiFi+ with the following citation:

    First founded in 1985 by industrial designer Bo Christensen, Primare’s is perhaps one of the most recognisably Scandinavian brands in audio. Its combination of minimalism and good performance all point to a Swedish brand.

    So, when Primare uses a Swedish word to describe its ethos, perhaps we shouldn’t be too surprised. That word is ‘Lagom’ (pronounced ‘laah-goam’) and roughly translates to ‘just the right amount.’ In Primare’s world this means keeping everything in balance, harmony and proportion, and that the music – rather than the technology or the box in which it comes – should be the focus of audio.

    To this end, Primare employs a very modular approach to its product design, such as its latest Ultra Fast Power Device module (used throughout the range), which shows what Class D can do in the hands of very competent design engineers.

    Link to announcement: HiFi+200 Innovation Award 

    View/download full review as PDF
  • AudioVideo, Poland, June 2021
    I25 Prisma: The Right Option

    “Listening to Primare playing from the NAS I realized how good this amplifier sounds in the context of the drastic simplification of the whole system… I started to appreciate the basic advantages of the Swedish construction. Undoubtedly the smoothness of the sound skillfully combined with a wide dynamic range, which does not have easily audible limitations or sense of compression. There is no doubt that the I25 is an amplifier that is efficient and fast, however it does not manifest any nervousness or excessive liveliness.”

    View/download full review as PDF
  • Stereo, Germany, May 2020
    I25 Prisma: Music Box of Swedish Steel

    “The bottom line is that the Primare I25 is a piece of great Swedish workmanship, that is a lot of fun in every respect. Four Stars – Excellent.”

    View full review
  • Hi-Fi Choice, UK, March 2020
    I25 Prisma: Prime Number

    “There is no mush or muddle here, no hype or hurry, just balance, control and clarity. If you like a sound that is fast, open, clean, clear, dynamically expressive and devoid of manipulative emphasis, the I25 Prisma ticks all the boxes. Analogue and digital in graceful harmony? That perfectly sums up the Primare I25 Prisma.
    Enthusiastically recommended.”

    View/download full review as PDF
  • Hi-Fi Voice, Czech Republic, July 2019
    I25: Primare I25

    “The sound is clear, it is solid and dynamic, it has a bit of an analytical tendency and, above all, it does not impose any particular character on the whole. But it is not a tense technical performance, it remains impartial and close to the theoretical audiophile ideal. A big bonus is the possibility to expand its capabilities with a solid D/A converter module and/or the Prisma module, which will provide the comfort of the world of streaming and modern control. Overall, the Primare I25 is a frequency-balanced and tonal-neutral amplifier, well processed and very orderly – at least on paper, it is very close to the theoretical hi-fi ideal.”

    View full review
  • High Fidelity, Poland, July 2019
    I25: I25 Test

    “It turns out that the Primare I25 is a very versatile device that will fit most systems, will show off most discs in a nice way. Playing with a large, full sound in which the midrange is most important, but not because the frequency extremes are limited – absolutely not, as I would even say that the bass is slightly pronounced and the treble has a lot of energy – but we have such an impression because everything is sweet and pleasant.”

    View full review
  • Fair Audio, Germany, June 2019
    I25: Primarily Versatile

    “Even though Primare’s I25 Integrated amplifier’s cleanliness, deep-bass strength, and control can be considered to be prime virtues, it is first and foremost an all-rounder without any real weaknesses or anything that draws attention… The Swede, at all times, with its effortless homogenous musicality, unconditional control and balanced, slightly sonorous tonality, avoids sounding hard or flat. This makes the I25 suitable as an inspiring sounding companion for the long term – even in combination with more demanding loudspeakers.”

    View full review
  • HiFi+, UK, Issue 172, May 2019
    I25 Prisma: Primare I25 Prisma integrated amplifier

    “Make no mistake, products like the Primare I25 Prisma are the best expression of why this is a golden age for audio. This one box does it all, and it does it all damn well!”

    View/download full review as PDF
  • Music Emotion, The Netherlands, October 2018
    I25 Prisma + DD35: On the must hear list

    “The I25 Prisma is a dike of an amplifier that plays music easily and naturally. From the first note you have the impression that the view is just right. No emphasis on a particular aspect, simply a complete picture. The DD35 CD transport will make every true CD enthusiast happy. Beautifully built and equally good sounding. Anyone who is looking for a new amplifier or CD player would be doing themselves a serious injustice if both Primare devices are not put on their must hear list!”

    View/download full review as PDF

Primare Help Centre

Hej! Have a question or need assistance? Contact your local dealer or distributor found at the list at the link above or go to the Primare Help Centre to browse through our FAQ database for the answers to your questions or if you don’t find what you are looking for there, submit a Help Request. 

Visit the Primare Help Centre