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
Author Archives: Duncan
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
A visit to HEM by Hifi statement
“Since the last visit to Marcin Hamerla’s company HEM in Warsaw a few years ago, a lot has changed. The number of employees has almost doubled and HEM has moved to a new location. Previously operating more as a manufacturer … Read More
HI FI Statement award is in our CEO Marcin hands.
We are happy to announce that HI FI Statement award is in our CEO Marcin hands. It was quite an interesting story, because we were waiting for its a few months.Unfortunately pandemic situation did not make it easy. Finally after … Read More
OOR forces headphones to tell you the truth.
„OOR forces the headphones to tell you the truth, the whole truth and nothing but the truth. Even if it hurts”.We invite you to read a new review of OOR.HIFICLUBE.NET will provide you some special information about our untypical device. … Read More
Ferrum Audio at 🙌The first edition of the Dutch Audio Event.
The first edition of the Dutch Audio Event was held on October 30 & 31 at Conference Centre Koningshof in Eindhoven. It was obvious that FERRUM FAMILY would be there. Our guests were able to test OOR and HYPSOS, and … Read More
Check out the Ferrum HYPSOS -White paper
Designing a modern audio power supply system – short history of HYPSOS – Sometimes a power supply and its quality is taken for granted in many audio devices. However, it cannot be forgotten, that the power supply is an integral … Read More
Headfonia – FERRUM AUDIO OOR REVIEW
” is technically very strong and it presents you the music in a real, balanced and clean, yet dynamic and realistic way” – Headfonia HEM / Ferrum Audio Founded more than 20 years ago in Warsaw, Poland by Marcin Hamerla, … Read More