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,...
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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... -
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... -
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,... -
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... -
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... -
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 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... -
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 –... -
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... -
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... -
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... -
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... -
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... -
OOR reviewed by hifistatement.net
OOR proves to be one of the best headphone amplifiers I have ever listened to. … <a href="https://ferrum.audio/oor-reviewed-by-hifistatement-net/">Read More</a> -
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...