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INTRODUCTION

1

user’s manual

Owner's Manual Ver. 1.0
©           2021

OOR by 

Ferrum

OOR, the only headphone amplifier with a soul.

After the initial success of our firstborn HYPSOS, we at Ferrum set out to follow through on our ideas of creating 
category-defining audio products. We tasked our most talented and promising engineer to focus on analogue 
audio in it’s purest form and to create a headphone amplifier. He started from the ground up and presented us 
the early drawings of OOR, a headphone amplifier with part of his soul forged right into it. Our R&D team put their 
decades of experience in designing and manufacturing audio electronics into OOR. It marries stunning 
understated looks with a sophisticated, truly balanced preamplifier, our own discrete power amplifier technology 
and special power regulating designs. The result simply must be heard to be believed. OOR will drive any 
headphones effortlessly to the max of their potential while preserving the essence of the music. Ultra-low 
distortion, zero listening fatigue, huge dynamics and unrivalled detail result in ultimate enjoyment. OOR makes it 
seem like the most natural thing on earth. The trademarks of a true star. And to make things even better, 
combining OOR with Ferrum’s HYPSOS really exceeds the sum of the parts.

Содержание OOR

Страница 1: ...user s manual OOR by Ferrum...

Страница 2: ...OOR by Ferrum user s manual user s manual OOR by Ferrum...

Страница 3: ...it Our R D team put their decades of experience in designing and manufacturing audio electronics into OOR It marries stunning understated looks with a sophisticated truly balanced preamplifier our own...

Страница 4: ...Back Panel Overwiev 1 2 3 4 4 1 4 2 6 6 1 6 3 7 3 4 4 5 5 6 8 8 9 10 Connecting The OOR 5 7 8 8 Using OOR For The First Time 6 2 9 Bypass Function Using OOR With Amplifiers Or Active Speakers Technica...

Страница 5: ...the heatsink airflow If the component is placed in a bookcase or cabinet there must be ventilation of the cabinet to allow proper cooling Keep the OOR away from radiators kettles heat registers stove...

Страница 6: ...balanced the signal path stays truly balanced using the XLR inputs and becomes truly balanced using the RCA inputs Ease of use only three knobs to control all settings Discrete design modified Class A...

Страница 7: ...s output 4 pin XLR headphones output D E Rotary gain selector allows you to match a gain level to your headphones for single ended headphones 6 3 mm jack you can choose from left to right 10 dB 0 dB 1...

Страница 8: ...l when you control volume at the source Note For more information please look at paragraph 6 2 Bypass Function WARNING Use with caution Enabling bypass might cause hearing damage or destroy your headp...

Страница 9: ...5 CONNECTING THE OOR 7 user s manual Note Please connect all cables before switching on the OOR OOR by Ferrum XLR TRS OR OR OR OR FEMALE XLR RCA AMP MALE XLR RCA PSU SOURCE Figure 3...

Страница 10: ...at the factory To activate it you have to switch the rotary switch from position 0 to position 1 the most convenient way to do it is with a flat screwdriver The bypass function disables the built in p...

Страница 11: ...inst defects in workmanship and materials used in manufacture for a period of three years from the date of purchase If you suspect that your product is faulty please contact the place of purchase or y...

Страница 12: ...t any changes or modifications not expressly approved in this manual could void your authority to operate this equipment All interface cables used to connect peripherals must be shielded in order to c...

Страница 13: ...ld not be mixed with general household waste Disposing of this product correctly will help save valuable resources and prevent any potential negative effects on human health and the environment To pro...

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