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Technology
I35 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 150 watts at 8 ohms of absolutely linear UFPD 2 amplification across the entire audible bandwidth, the I35 delivers naturally fast, clean and agile sound with an unprecedented ability to bring music to life.
In addition to a pair of XLR and three RCA analog inputs, the modular design of the I35 allows for a sophisticated digital to analog converter module, DM36, as well as a Prisma network player module, SM35, to be added to the amplifier at any time for unprecedented system customisation.
I35 continues a Primare tradition of delivering astonishing performance from compact and elegant integrated amplifiers for easy installation into virtually any living environment.
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.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.
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UPFD 2 2 x 150W 8 ohms / 2 x 300 4 ohms
XLR 2 x stereo pair analog inputs
RCA 3 x stereo pair analog inputs
RCA 1 x stereo pair analog LINE output
RCA 1 x stereo pair analog PRE output
C25 remote IR system control
IR 3.5 mm input/output
12V Trigger 3.5 mm output
RS232 outboard system control port
Weight 11 Kg
Dimensions 430 x 106 x 420 mm (WHD)
Finishes black or titanium
For more detailed specifications see the design brief and user guide.
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HiFi-Stars, Germany, October 2018
I35 Prisma: Really everything in it!“In terms of sound, the I35 brings out the big guns here […] The Swede illuminates the stage deeply and widely, taking care of every detail, such as the instruments that are sometimes placed far out in the stereo panorama or the powerful, sensitively played bass, which, like the old master’s still fresh voice, is transmitted almost crystal clear […] It’s all incredibly fast and natural in its appearance. Lively in the best sense!”
Audio Test, Germany, July 2018
I35 Prisma: Nordic Charisma“With the I35 Prisma, Primare has succeeded in creating a versatile all-rounder that offers excellent network control, especially in terms of user experience […] In 2018, user experience is a top priority. Simple, quick operation and intuitive access to various online services – ideally throughout the house. Primare’s I35 Prisma masters this maxim with ease and also offers great sound quality. With a market value of 4,500 euros, the I35 Prisma is anything but a bargain, but the user definitely gets his money’s worth here!”
Stereoplay, Germany August 2018
I35+CD35 Prisma: Dream Couple of Quality“In general, Class D amplifiers are characterised by an extremely high efficiency of around 90%. They are therefore extremely efficient and therefore generate little waste heat. Large cooling fins are not necessary; the I35, despite its high performance, only needs a few small heat sinks attached directly to the components […] We were particularly impressed by its breathtaking speed. The amplifier organised the complex sound in a lively and tight manner, skillfully distributing its almost endless reserves and achieving maximum dynamics, while the CD player brought the finest details to light. What a successful combination! ” Stereoplay Highlight
HiFi News, UK, May 2019
I35 + CD35 Prisma: Primare CD35/I35 Prisma Network/CD Player & Amp“Cool Velvet – There’s something very alluring about the sound of this CD player/integrated amplifier. Working as a pair, with the CD35 acting as a digital disc transport for the I35 – one is immediately struck by the smoothness of the music. Indeed, they serve up an almost velvety rendition of whatever recording you choose to play. It’s an easy-going presentation yet one that’s authoritative, the combination rising to any challenge without sounding flustered.”
Vietnam AV Magazine, Viet Nam, December 2021
Vietnam Audio & Visual Magazine 2021 Editors’ Choice Award Primare I35 PrismaI35: Editor’s Choice Award 2021 Best Buy All-In-One Integrated Amplifier
Primare I35 Prisma is one of those rare hi-end devices that can satisfy many needs in a single device, with comprehensive connectivity and streaming, high amplification efficiency, and natural, rich and emotional sound quality. Not only worthy of the honor of the Editors’ Choice Award 2021 in the category “Best All-in-One Integrated Amplifier”, we consider that the Primare I35 Prisma is the amplifier design that leads the trend in the industry for the coming years.
HiFi+, UK, December 2021
I35 Prisma: 2021 HiFi+ Integrated Amplifier of the Year (up to £10,000)“If ever there was a product that exhibits the notion that ‘the whole is greater than the sum of the parts’ it’s the Primare I35 Prisma… Perhaps it’s the absence of nonsense, the way it makes everything sound musically entertaining and enjoyable, or perhaps it’s the sheer ease of use. I’m pleased on a number of levels to have stepped from I35 to I35 Prisma, even though I suspect in today’s world most people will just opt for the full-fat Prisma version. But that insight into how we relate to streaming and how it changes our perception for the better will stay with me. Thanks!”
HiFi+, UK, October 2021
HiFi+ Innovation Award 2021Primare 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
Salon AudioVideo. Russia, March 2021
I35 and CD35“But the most interesting thing is that, choosing an intermediate solution (I35 only with DAC, and CD35 – in the full version, with a network board), but while having to pay a bit extra, you get the most flexible option. First, the system has two different DAC characteristics… Secondly, with additional digital inputs, it is possible to use not only more sources, but also alternative signal paths between the amplifier and the universal network CD player (one of them can be configured by cables specifically for some musical genre). After all, the SM35 Prisma streaming board can be moved from source to integrated if you want to try out a different configuration or part with the CD player altogether.”
Audio Stereo, Poland, March 2020
Primare I35 + DD35: The victory of the heart over reason“Equipment not only worth listening to, definitely worth having as proof that music can be different. To quote Piotr Wierzbicki, “I hate Tchaikovsky and Mahler because they were too tearful, unmanly.” Primare will not spare some of your music choices, but it will give you great pleasure with other albums. definitely worth having as proof that music can be different.”
EISA, International, August 2019
EISA STEREO SYSTEM 2019-2020 PRIMARE CD35/I35 PRISMA“Recipient of a previous EISA Award, Primare continues its winning ways with this I35 amplifier and CD35 Prisma CD/network player. The amplifier is a simple, but fabulous- sounding, all-analogue design that delivers plenty of power using the company’s UFPD 2 amplification. Its modular design means you can add Primare’s DAC stage, and the Prisma network/multi-room module, when required. The CD35 Prisma CD player is also fully networked, offering wired and wireless connectivity for AirPlay, Bluetooth and Spotify Connect, as well as Chromecast built-in to access thousands of streaming services. This is so much more than a simple CD player/amp system: It’s the future of hi-resolution home hi-fi.”
HiFi+, UK, March 2020
I35: HiFi+ 2020 Editor’s Choice Award“In fact, at no time and with no combination of bits and pieces I have to hand (and there are a lot of them) did it exhibit any do not like it properties or characteristics. Tonally, the I35 is rich and satisfying rather than bright and breezy, and yet it comes over as both energetic and dynamic sounding.”
HiFi Musik, Sweden, April 2019
Effortless streaming – Primare’s new talents“I have myself never heard a amplifier in this price class that sounds so explosive and powerful in the low end, yet sounding so subtle and detailed with precision.”
HiFi+, UK, May 2019
I35: HiFi+ 10th Anniversary Top 100“The latest Primare platform is a highly modular amplifier system, but even as just an amplifier the I35 integrated is one of those products that you just love to enjoy!”