Youtube channel iamhear recently reviewed the Ferrum OOR. Please find the video below!
NEWS & UPDATES
Soundfest Madrid with Ferrum Audio
SOUNDFEST MADRID 2022! THANK YOU ALL who participated the Soundfest, Madrid on the 1-3 April 2022. For ones who missed, don’t worry! There will be plenty of chances ahead of us. This event was an absolute pleasure to interact with you, after … Read More
Erco Review by Headfonia
ERCO reviewed by HEADFONIA Enormously grateful to receive an exceptionally thorough review from HEADFONIA on our Ferrum ERCO. Did you have the chance to read it? If not, you must definitely take your time to go through. „ERCO has a more … Read More
BORZENKOV OOR REVIEW
OOR VIDEO REVIEW Michael Borzenkov took OOR for a ride. Starting with how to pronounce the name OOR. It is worth the watch. Enjoy it. Please watch the video below or click the link. – REVIEW –
HVT tested the OOR headphone amp
NA DE REVOLUTIE GAAT DE ZON PAS ECHT SCHIJNEN Read the Dutch review – The secret of the ears about OOR Headphone amp and link to Hypsos
salonav.com reviewed OOR
Nikolia Efremov from avsalon.com reviewed OOR Headphone amp Click to read the review
ERCO Anatomy video
We happy to share our latest video! “ERCO ANATOMY LESSON”. See and learn more in the 8 minute video about ERCO fully balanced headphone DAC/AMP! Enjoy the video and If you have any questions please us know. Subscribe to our … Read More
OOR reviewed by High Fidelity.pl
OOR Reviewed by Wojciech Pacuła High Fidelity Poland reviewed the Hypsos whe it was introduced. Now it is time to listen to OOR. ” Its sound is clear, resolving and well-balanced tonally..” -Wojciech Pacuła Read the reviews on High Fidelity.pl … Read More
OOR headphone amp with Hypsos power supply: pure soul
Stereo.ru magazine Hypsos and OOR review As Stereo writes. Pure Soul! We have to say that we love the beautiful photo’s and setting. Thank you for the review and photo’s taken voor the review. “As a result, high information content … Read More
6Moons reviews Erco – “It’s what I heard. No barfing braggadocio.”
6moons was one of the first the get our Erco for review. Please check out the 4 page review at 6moons.
CHECKOUT THE OOR HEADPHONE AMPLIFIER WHITE PAPER!
What makes OOR special First of all OOR has unique discrete output stage. It is not class A, it is rather something between class A and AB. OOR doesn’t have full-time operational current source, which forces the current through one … Read More
Power supply, Ferrum Hypsos, energy under control by Audio & Cinema em Casa PT
Happy to share the Hypsos review from Audio & Cinema em Casa Portugal by Jorge Gonçalves – We translated the conclusion for you. If you want to read the Portugees file please check the link below. The Hypsos power supply … Read More
The ERCO definitely convinces me as a headphone amplifier..
When HEM’s boss Marcin Hamerla announced a Ferrum headphone amplifier/converter combo some time ago, I spontaneously thought of a DAC with headphone output. But the ERCO is anything but that: Not only at first glance it looks like a headphone … Read More
OOR – Model Of Simplicity – HifiNews
Ferrum OOR Headphone Preamp Hifinews review by Andrew Everard, Lab: Paul Miller The Polish brand scored a prestigious EISA award with its first product, the Hypsos power supply – can it build on that success with its all-analogue headphone amplifier? Read … Read More
Let’s talk about ERCO.
Watch the interview with the Ferrum crew about ERCO. Learn more about the development and functionality ERCO offers. ERCO is a personal DAC and pre-amp to power your headphone or powered loudspeakers. ERCO has a great sounding DAC which we … Read More
Stay Tuned! Erco Headphone Dac introduction
ERCO HEADPHONE DAC Like a top chef who uses his ingredients freshly and grown from his own garden, we integrated parts of the awarded HYPSOS technology and lend some of OOR’s magic to lay the first bricks for ERCO. Then … Read More
NEW! ECRO. Check out the unboxing video
Ferrum ERCO, desktop high end just became a thing… Our new Headphone amp and DAC. Enjoy the video.
SOUNDNEWS Awards Ferrum Gold Award
We are very pleased to show you this engaging review made by Sandu Vitalie. There is another great thing. Sandu awarded us with the prestigious Gold Award. Thank you so much SoundNews.net! On his site you can find a whole … Read More
Stereophile reviews Hypsos & OOR
GRAMOPHONE DREAMS BY HERB REICHERT Iron OOR I’m deep into audio power amplifiers because they remind me of race car engines. Both power sources are wildly inefficient, converting only a small percentage of their stored energy into work while dissipating … Read More
Hypsos & OOR review Hifi.nl
Ferrum Audio Hypsos & OOR Universal Power! A special device that occupies a very special position, that is the Ferrum Hypsos in a nutshell. Its wide adjustability and tweaking options make it virtually incomparable to other power supplies on the … Read More
OOR reviewed by hifistatement.net
OOR proves to be one of the best headphone amplifiers I have ever listened to. … Read More
A visit to HEM by Hifi statement – part 2
Explore new, innovative and creative paths. The fact that Marcin lets his developers spend their time on this instead of simply buying-in shows how individually the engineers develop and build according to their own ideas and preferences, or are allowed … Read More