Ra 21 C-Cu

OBRAVO
Ceramic Enclosure
8mm AMT II Driver
16mm Dynamic Driver
Coaxial Design

£8,999.00

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The Ra range of earphones have become a bit of a legend since their launch, just like it’s smaller brother the EAMT1.  The new Ra 21 C-Cu version is seen as the opitome of the Ra series and comes in a gorgeous copper chassis that had been PVD coated for protection.  Ra 21 C-Cu features revised internals with vastly improved integral damping. Alongside these improvements there has also been a major overhaul of the airflow through and around the drivers. The Ra 21 has taken over a year of testing and modifications to get even more from the huge 16mm driver and patented AMT II driver. By improving the performance of the massive 16mm driver, oBravo have managed to drastically improve the bass. This is not to say that the bass has got thicker and overpowering, but it now extends a lot lower from 100Hz down. With a change in the specification of the dynamic driver it meant that the crossover also had to be changed so that the AMT driver could be seamlessly integrated. By altering the internals so much oBravo have managed to make the Ra 21 easier to drive than the original, bringing the resistance down to 168Ohm from 182Ohm. This enables users to benefit from the great sound using a larger range of source equipment.

Creating the original Ra in 2017 was not an easy task and the 21 version has taken over a year to come to fruition. The final tuning was obtained from a close collaboration between Audio Concierge’s very own Phil Wannell and oBravo. During the research and development phase it was also established that the cable was also a limiting factor in it’s performance. To that end a custom cable was introduced to the range in order to improve on Ra’s incredible performance. The new cable – called Newton Signature – consists of high purity copper and silver plated copper in a litz construction with a quick click release, 4 in 1 connector system. This will enable you to quickly swap between 4.4mm, 2.5mm, 3.5mm and 4 pole 3.5mm.

The C version means that the enclosure is made of precision ceramic which, due to its inert properties doesn’t add anything to the sound and therefor is as accurate as it can be and thus was used in the ultimate of oBravo’s offerings.

Weight 2 kg
Brand

oBravo

Country

Taiwan

Technology

Enclosure Material

,

Driver Count

2

Driver Configuration

1 AMTII + 1 Neodymium Dynamic

AMT Tweeter Size

8mm

Dynamic Driver Size

Colour

Audio Range

Sensitivity

93dB

Impedance

182Ohm

What Is Included

  • S/M/L Silicone Eartips (Voodoo Tips)
  • S/M/L Comply™ Eartips
  • 1.2m – 3.5mm Earphone Cable
  • 3.5mm-to-6.3mm Adapter

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