Monthly Archives: March 2022

Ferrum Audio OOR headphone amplifier with Hypsos power supply: pure soul

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

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