Evolution Line Preamplifier

Evolution Line Preamplifier

The Doshi Audio Evolution Line Preamplifier is a cutting-edge preamp designed to transform your audio experience. Combining advanced engineering with top-tier materials, Doshi Audio deliver exceptional sound clarity and performance with this component. Key features include a new ultra-low noise power supply, high-stability regulation, and premium Copper Matrix capacitors from ClarityCap. With four customisable inputs and two outputs that can be configured as either RCA or XLR, it offers versatile connectivity options.

Evolution Line Preamplifier

Evolution Line Preamplifier

The Doshi Audio Evolution Line Preamplifier is a cutting-edge preamp designed to transform your audio experience. Combining advanced engineering with top-tier materials, Doshi Audio deliver exceptional sound clarity and performance with this component. Key features include a new ultra-low noise power supply, high-stability regulation, and premium Copper Matrix capacitors from ClarityCap. With four customisable inputs and two outputs that can be configured as either RCA or XLR, it offers versatile connectivity options.


The Preamplifier servers two purposes: to amplify the incoming signal from a source and to switch among the sources. The less internal noise a preamp generates the better it can achieve these goals. A key design criterion for the Doshi Evolution Preamplifier was to take the already low noise floor of the V3 Preamplifier and reduce it by a whole order of magnitude.

A significant portion of the noise reduction can be attributed to the Evolution’s new power supply that features high stability and ultra-low noise regulation of the B+ voltages, revised design of the transformer volume control and revised, and an improved output transformer.

The Evolution Preamplifier introduces new super-premium parts including Copper Matrix capacitors from ClarityCap and TKD resistors in the signal path. Vibrations are further reduced by a new aluminum constrained layer top plate. The Evolution Preamplifier has 4 inputs, each of which can be RCA or XLR, and two outputs, also RCA or XLR. A Home Theatre Bypass is standard. The included remote control has discrete input selection, volume, and mute.

The colour options are natural anodised aluminium or black finish.

Specification

Stereo System Specifications
Stereo Inputs4 total can be specified in any combination of RCA and XLR.
Stereo Outputs2 total, can be specified with either RCA or XLR connections.
Home Theater BypassXLR Balanced or RCA.
GainMax Gain 12db, Internally adjustable for lower gain.
Signal to NoiseAt least 100db below 1V unweighted.
TubesQty 2 ECC99/12BH7 Power Consumption: 22W.
Weight39lbs (Preamplifier + PSU).
FinishNatural Anodized Aluminum or Black Anodized Aluminum.

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