RX2 PRO - Founders Edition HI-END amplifier, exclusive limited series

Brax
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BRAX RX2 PRO - Founders Edition. Exclusive HI-END 2-channel amplifier for audiophiles seeking excellence in sound reproduction

The beginning of a new era

Although digital signal processing entered the BRAX world long ago with the legendary BRAX DSP, analog amplification has always been considered the reference point for achieving the best sound quality and measurements. However, with the BRAX REVELATION RX2 PRO, a new era opens, as the name itself suggests: a new digital sound revelation that surpasses everything that has been done before in the car audio segment.

"As a passionate musician with over 45 years of success in the audio industry, I never thought Class D technology could compete with analog. But I want to be clear: the BRAX REVELATION RX2 PRO leaves me breathless. The level of audiophile performance this amplifier offers is out of this world and elevates BRAX's commitment to uncompromising sound to a new level. I am convinced that this technological masterpiece will open the eyes of even the most die-hard analog enthusiasts to a new era of high-end amplification."

- Heinz Fischer

BRAX REVELATION RX2 PRO - Founders Edition

For the first time in BRAX's illustrious history, not only is a digital amplifier being presented, but also an exclusive limited series that exemplifies the brand's dedication to excellence: the Founders Edition. This special edition stands out clearly for its exclusive design: The heatsink strikes with its unique "Midnight Blue" color, created through an elaborate anodizing process, making the Founders Edition a truly distinctive and unequaled piece. Furthermore, the mirror-polished stainless steel nameplate with gold laser engraving and the hand-signed bottom plate further enhance its exclusivity. To complete it, each unit is accompanied by a certificate hand-signed by Heinz and Julian Fischer. Limited to just 888 units worldwide, the Founders Edition is not just a piece of high-end audio equipment, but a collector's item celebrating a new era of BRAX innovation.

The BRAX RX2 PRO combines compactness and efficiency in an impressive way, with technical and sonic features that raise the quality standards of amplifiers to a completely new level. In close collaboration with Danish manufacturer PURIFI, a unique and uncompromising concept has been realized, based on the patented EIGENTAKT technology - a concept that debunks all previous prejudices against digital amplification.

All performance parameters, including total harmonic distortion (THD+N), intermodulation, and signal-to-noise ratio, are so extraordinary that only the most expensive measurement systems can detect them with precision. The foundation of these exceptional performances is the principle of multistage feedback, in which multiple feedback loops with extremely wide bandwidth and therefore ultra-fast in the amplifier stages compensate for all non-linearities. This principle also extends to the output relays, which have their own control circuit to equalize their minimal contact resistance. The output LC filter, necessary for Class D amplifiers, is incorporated into these feedback circuits, completely compensating for its significant impact on distortion and output impedance. The RX2 PRO thus shines with phenomenal values for a damping factor of 10,000, not only at the typical test frequency of 1 kHz, but across the entire audio band. Furthermore, the load-dependent frequency response, typical of Class D amplifiers, is eliminated with this circuit topology. Regardless of the speaker driven by the RX2 PRO, its amplitude response remains perfectly linear up to 60 kHz across all impedances.

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Manuale utente

n-20241129105721-ba-brax-revelation-rx2-pro-14-10-2024.pdf

BRAX RX2 PRO - Founders Edition Technical Features

  • Proprietary high-end bridgeable Class D amplifier concept based on PURIFI's patented "EIGENTAKT" technology, which redefines sound quality in the automotive industry and even surpasses the best Class A and Class AB amplifiers.
  • Limited Founders Edition with exclusive design - Heatsink anodized in "Midnight Blue". Additionally, the mirror-polished stainless steel nameplate with gold laser engraving and the hand-signed bottom plate. Limited to 888 amplifiers worldwide.
  • Exclusive "Multistage Feedback Design": multiple feedback loops individually compensate all non-linearities of the power section, including LC filters and even output relays, for absolute precision.
  • Exceptional measurement values: performance superior to all others thanks to negligible THD+N, minimal intermodulation distortion (IMD), linear and impedance-free frequency response up to 60 kHz and impressive signal-to-noise ratio.
  • Modular input concept with selectable modules - offers the option to choose between analog or digital inputs
  • Stereo analog input module - with an innovative "superbalanced" input structure for particularly high interference immunity thanks to maximum common mode rejection (CMR), equipped with BurrBrown OPA1612 operational amplifiers, currently the most effective and lowest noise.
  • Stereo digital input module - equipped with the latest ESS ES9039Q2M DAC, powered by a voltage regulator specially developed by ESS to provide each DAC channel with stable, ultra-low-noise power supply. Features optical and coaxial SPDIF input supporting our proprietary DiSAC 2.0 protocol for lossless and highly advanced volume control, manageable via BRAX DSP.
  • Incomparably sophisticated power supply: regulated power supply unit with start and stop capacity for output stages, with enormous total capacitance for maximum peak current. Separate voltage regulators for each input and driver stage ensure maximum stability and prevent any influence on signal quality; suitable up to 18 V vehicle supply voltage for electric vehicles.
  • Exceptional frequency-independent damping factor of over 10,000 @ 4 ohm - unlike conventional Class D designs, this ensures maximum speaker control at all frequencies, with unparalleled audio precision.
  • Particularly compact and maximum efficiency: the same size as a BRAX DSP, ideal for modern vehicle designs thanks to low heat generation and high efficiency.
  • 8-layer printed circuit board with ultra-low impedance, enabling maximum and lossless current flow and optimal isolation of sensitive input signals from power stages.
  • Exclusive use of the finest selected components - ensures maximum consistency and remarkable durability over time
  • Complex protection circuits - Optimal protection of the amplifier and connected speakers under all possible load and temperature conditions.
  • Temperature-regulated processor and fan - ensure optimal cooling and ideal operating temperature range for the amplifier
  • Separate connector for BRAX power stabilizer - for increased power supply and improved maximum amplifier performance
  • Massive heatsink in a special aluminum alloy: enables optimal heat dissipation and continuous high performance
  • Serial number engraved on stainless steel nameplate: underscores the exclusivity of the amplifier.


Technical Specifications

  • RMS Power ≤ 1% THD+N RX2 PRO with analog input module
  • At 4 Ohm 2 x 300 Watts
  • At 2 Ohm 2 x 510 Watts
  • Bridged @ 4 Ohm 1 x 930 Watts
  • PURIFI "EIGENTAKT" Class D amplification technology
  • Inputs 2 x RCA / Cinch
  • 1 x Remote input
  • 1 x Power stabilizer input
  • RCA / Cinch input sensitivity 1.0 - 8.0 Volts
  • RCA / Cinch input impedance 4 kOhms
  • High-level input impedance -
  • Outputs 2 x speaker output
  • RCA / Cinch output voltage -
  • Signal converter for digital input -
  • Analog input OpAmp TI / BurrBrown OPA1612 with SoundPlus technology
  • Frequency response 10 Hz - 60 kHz
  • Signal-to-noise ratio analog input > 125 dB (A-weighted)
  • Distortion (THD) < 0.0002
  • Damping factor > 10,000
  • Operating voltage 9 - 18 Volts (max. 5 sec. up to 6 Volts)
  • Idle current 1.5 A
  • Rated power DC 12 V ? 150 A max.
  • Fuse 4 x 25 A LP-Mini-fuse (APS)
  • Operating temperature -20° C to +70° C
  • Additional features Based on Purifi's EIGENTAKT technology, BRAX Power Stabilizer connector, Start-Stop functionality, input mode switch
  • Dimensions (H x W x D) 56 x 310 x 200 mm / 2.21 x 12.21 x 7.87"
  • Net weight 4.0 kg

Package Contents

  • 1 x BRAX REVELATION RX2 PRO high-end amplifier - Founders Edition, hand-signed by Julian Fischer
  • 1 x BRAX REVELATION t-shirt
  • 3 x Allen wrench
  • 1 x Certificate hand-signed by Heinz & Julian Fischer
  • 1 x Audio Precision Measurement Report
  • 1 x Instruction Manual
€ 4275,00 Price incl. VAT