FERRUM OOR Balanced Preamplifier Headphone Amplifier

FERRUM OOR Balanced Preamplifier Headphone Amplifier
Ferrum's OOR is a high quality balanced headphone amplifier and preamplifier, capable of accompanying all types of headphones, including the most demanding, while preserving the essence of your music. With very low distortion, impressive dynamics and an incredible level of detail, the OOR is the ultimate companion for headphone listening.

Average votes for this product
5.0 / 5

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Reference : 15538
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1 995,00 €tax incl.

1 662,50 € tax excl.
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Shipping date: 05-03-2024.

Orders placed before 12h (GMT+1) will generally be shipped the same day (working day).

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Accessories for this product

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Ferrum OOR

Balanced Preamplifier Headphone Amplifier

Ferrum OOR Préamplificateur Amplificateur Casque Symétrique

Ferrum's OOR is a high quality balanced headphone amplifier and preamplifier, capable of accompanying all types of headphones, including the most demanding, while preserving the essence of your music. With very low distortion, impressive dynamics and an incredible level of detail, the OOR is the ultimate companion for headphone listening.

  • True Balanced : The signal circuit, balanced from end to end, allows to reach an excellent quality of sound restitution.
  • Ferrum Power Link : While the OOR offers excellent basic performance, it can also be combined with the Ferrum Hypsos power supply (sold separately) using Ferrum Power Link (FPL) technology for optimal performance and musicality.
  • Improved transparency : The entire architecture of the OOR focuses on its ability to deliver transparent and detailed sound.
  • User friendly : Practical and intuitive, the OOR has just three buttons to control all the parameters of the device.
  • Total control : The optimized integration of the output transistors protects them and never lets them turn off, reducing distortion to inaudible levels and keeping them in a state where they can instantly unleash their full power, crucial for high dynamics, superior control and good sounding power.
  • Discrete design : The discrete amplifier circuit has been specifically developed by the brand to obtain the best possible analog quality.
Ferrum OOR Préamplificateur Amplificateur Casque Symétrique

Unique output design

Two wires provide power and two provide feedback to ensure a constant linear voltage. This technology, Ferrume Power Link (FPL), eliminates the adverse effects of cable resistance by effectively improving the transient response. The speed of current distribution at the input of the powered device is greatly improved.
Câble d'alimentation high-end

High-end power cable

The Ferrum OOR comes with a very good AC adapter to power it on its DC 5.5/2.5mm jack connector. For even better sound quality, you can connect the OOR to the HYPSOS power supply with a proprietary cable (sold separately) and the Ferrum Power Link (FPL) technology.

Ferrum OOR Préamplificateur Amplificateur Casque Symétrique

Technical characteristics

Specifications
Product typeHeadphone amplifier
Preamplifier
Inputs1x Balanced stereo XLR
1x Single-ended stereo RCA
Outputs1x Balanced stereo XLR
1x Single-ended  stereo RCA
1x Balanced XLR 4 pins headphone output
1x Single-ended Jack 6.35mm headphone output
GainBalanced : -4dB, +6dB, +16dB
Single-ended : -10dB, 0dB, +10dB
Frequency response20Hz - 100kHz 0.1dB
Output powerBalanced : 1600mW @ 300Ω, 8W @ 60Ω
Single-ended  : 400mW @ 300Ω, 2W @ 60Ω
Input impedance94kΩ
Output impedanceBalanced : 44Ω (pre-out)
Single-ended : 22Ω (pre-out)
Headphone output impedance< 0.3Ω
General
Supply voltage22-30V DC
Consumption< 15W
Housing materialAluminum
ColorBlack
Dimensions21.7 x 20.6 x 5cm
Weight1.8kg
 
Data sheet
InputXLR
InputRCA
OutputJack 6.35mm
OutputXLR
OutputRCA
ColorBlack
ClassN/A
Remote ControlNo
 
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Average votes
5.0 / 5
2 reviews
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 5/5
Date :
Ferrum OOR
I had the OOR in the past, sold it at some point and now bought it again, in combination with Hypsos and Wandla it goes sonically way beyond it's price point
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This review has been posted for FERRUM OOR Balanced Preamplifier Headphone Amplifier
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 5/5
Date :
Bel objet
Appareil aux qualité d'écoute indéniables procurant un plaisir certain couplé avec un bon dac et bon casque.
Une fois le casque sur la tête, le prix élevé se fait vite oublier.
Content de mon achat.
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This review has been posted for FERRUM OOR Balanced Preamplifier Headphone Amplifier
 
FERRUM OOR Balanced Preamplifier Headphone Amplifier
Ferrum's OOR is a high quality balanced headphone amplifier and preamplifier, capable of accompanying all types of headphones, including the...

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