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Doshi Audio Evolution Line PreamplifierDoshi Audio Evolution Line Preamplifier Ultra Low Noise Valve Preamplification The Evolution Line Preamplifier represents Doshi Audio's latest achievement in preamplifier design, delivering an order of magnitude reduction in noise floor compared to the V3 Preamplifier. Created by Nick Doshi, whose journey from recording engineer to amplification designer brings unique insight into capturing musical truth, this valve preamplifier combines a new ultra
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Doshi Audio Evolution Line Preamplifier - Ultra-Low Noise Valve Preamplification

The Evolution Line Preamplifier represents Doshi Audio's latest achievement in preamplifier design, delivering an order-of-magnitude reduction in noise floor compared to the V3 Preamplifier. Created by Nick Doshi, whose journey from recording engineer to amplification designer brings unique insight into capturing musical truth, this valve preamplifier combines a new ultra-low noise power supply with high-stability regulation and premium Copper Matrix capacitors from ClarityCap. With four fully configurable inputs supporting both RCA and XLR connections, the Evolution adapts to any high-end audio system configuration.

Reserve your Evolution Line Preamplifier today to transform your audio experience with Doshi Audio's most advanced preamplifier.

Key Features

  • New ultra-low noise power supply with high-stability B+ voltage regulation
  • Premium Copper Matrix capacitors from ClarityCap in the signal path
  • Four configurable inputs accepting any combination of RCA and XLR connections
  • Two outputs with RCA or XLR configuration
  • Home Theatre Bypass with XLR balanced or RCA connectivity
  • Aluminium constrained layer top plate for vibration reduction
  • Remote control with discrete input selection, volume, and mute functions

Advanced Power Supply Design

The Evolution's new power supply achieves a significant reduction in the already low noise floor of the V3 Preamplifier - reduced by a whole order of magnitude. This achievement comes from high-stability, ultra-low noise regulation of the B+ voltages, combined with a revised transformer volume control design and improved output transformer. The result is a signal-to-noise ratio of at least 100dB below 1V unweighted, allowing the preamplifier to amplify incoming signals and switch between sources with minimal internal noise generation.

Premium Component Selection

The Evolution Preamplifier introduces super-premium parts throughout the signal path. Copper Matrix capacitors from ClarityCap and TKD resistors ensure exceptional signal handling. The improved output transformer design works in conjunction with the dual ECC99/12BH7 valves. These carefully selected components contribute to the Evolution's exceptional sound clarity and performance, as stated in Doshi Audio's design objectives.

Recording Heritage Meets Audiophile Engineering

Nick Doshi's background as a recording engineer profoundly influences the Evolution's design philosophy. Having spent years capturing live performances and understanding how acoustic instruments and voices translate through the recording chain, Doshi brings unique expertise to preamplifier design. This professional recording experience ensures the Evolution preserves the excitement and authenticity of the original performance - whether from analogue or digital sources. The preamplifier's exceptional transparency allows listeners to experience that same enchantment Doshi first discovered hearing concert recordings played back through high-quality equipment.

Versatile Connectivity Options

The Evolution Line Preamplifier offers four inputs, each independently configurable as either RCA or XLR. Two outputs are similarly configurable for either RCA or XLR connections. The Home Theatre Bypass function comes standard, available in both XLR balanced and RCA formats. With maximum gain of 12dB (internally adjustable for lower gain requirements), the Evolution accommodates various system configurations and component matching requirements.

Construction & Finish Options

The Evolution features a new aluminium constrained layer top plate specifically designed to reduce vibrations. Available in either natural anodised aluminium or black anodised aluminium finish, the complete unit (preamplifier plus power supply) weighs 39lbs. Power consumption is rated at 22W, making it efficient for a valve-based preamplifier of this calibre.

Technical Specifications

  • Inputs: 4 total, configurable in any combination of RCA and XLR
  • Outputs: 2 total, configurable as either RCA or XLR connections
  • Home Theatre Bypass: XLR Balanced or RCA
  • Gain: Maximum 12dB, internally adjustable for lower gain
  • Signal to Noise: At least 100dB below 1V unweighted
  • Valves: Qty 2 ECC99/12BH7
  • Power Consumption: 22W
  • Weight: 39lbs (Preamplifier + PSU)
  • Finish Options: Natural Anodised Aluminium or Black Anodised Aluminium

Design Philosophy

The Evolution Preamplifier serves two primary purposes: to amplify the incoming signal from a source and to switch among sources. By achieving an order-of-magnitude reduction in internal noise generation compared to the V3, the Evolution accomplishes these fundamental goals with exceptional precision. Drawing from a lifetime immersed in music - from childhood concert experiences to professional recording engineering - Nick Doshi designs amplification systems that honour the musical foundation built by live acoustic instruments and voices. The Evolution represents this philosophy in its purest form.

Experience the Evolution Line Preamplifier - contact Martins Hi-Fi to discover how this recording-engineer-designed preamplifier can reveal new dimensions in your music collection.

Doshi Audio Evolution Line Preamplifier

Item no : 1688146552
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US$ 13000.00
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