Check out the ERCO White Paper

What makes ERCO special

First of all ERCO is in many ways similar to OOR, but because it has a built in DAC, some design aspects needed a different approach. We decided on the IC based headphone amplifier, however it is not some off the shelf solution. ERCO has a composite topology amplifier, which means it has two IC amplifiers in one feedback loop. One of them acts as a buffer with its own feedback loop. This is a fast power op-amp which can …    Download the full white paper to read all about ERCO. 

Where to buy Ferrum products

Ferrum is sold all over the world. If you have troubles locating our dealer nearby let us help to arrange the brick-and-mortar customer experience for you by contacting us at info@ferrum.audio