
Soulnote · E
E-3
The ultimate reference equalizer dedicated exclusively to DS Audio optical cartridges.
A radical departure from conventional phono stage design, the E-3 is a single-minded instrument crafted for the uncompromising requirements of DS Audio optical cartridges. By abandoning push-pull and bias circuits in favour of a pure, four-transistor signal path, it preserves the raw immediacy of the musical waveform. This is the definitive interface for those who seek the extreme clarity and low-level resolution that only optical playback can provide.
At the heart of the E-3 lies the New Type-R circuit, a fully balanced, non-NFB design that operates entirely with respect to ground. This simplicity is supported by a power supply of staggering proportions, featuring three independent transformers that provide the current capability of a 500W power amplifier despite the unit’s modest 19W consumption. This engineering overkill ensures that the delicate signals from your cartridge are never constrained or compressed by the power delivery system.
Sonically, the E-3 is characterised by its extraordinary transparency and rhythmic precision. It provides a vast, natural soundstage where instruments are rendered with startling presence and textural accuracy. By eliminating mechanical resonance through a floating, unfixed chassis structure and employing bespoke naked foil resistors, it removes the last vestiges of electronic artifice, leaving only a pure, breathing musical performance.
Key Features
01
New Type-R Circuit
A fully balanced, non-NFB discrete amplification circuit dedicated exclusively to DS Audio optical cartridges.
02
Ultra-Powerful Power Supply
Features three independent transformers with a capacity equivalent to a 500W power amplifier for unwavering stability.
03
RSR-2-12D Custom Relays
Original glass-sealed reed relays that offer sonic performance comparable to direct wire connections.
04
Unfixed Mechanical Structure
Chassis components are intentionally left unfixed and floating to shed resonant energy and maintain signal purity.
05
Power Separated Cable Compatible
XLR inputs support separate phono and LED power paths for enhanced signal-to-noise performance.

Chapter 01
The Philosophy of Purity
The E-3 represents the antithesis of the typical multi-purpose phono stage. By narrowing its focus strictly to optical cartridges, Soulnote has eliminated all unnecessary switching and compensation circuitry, allowing for a signal path that passes through only four transistors from input to output. This minimalist approach is not about cost-cutting but about the preservation of signal freshness, ensuring that the exceptional transient response of an optical cartridge is heard without the degradation of global negative feedback.

Chapter 02
Manufacturing Process
Every element of the E-3 is tuned by ear, prioritising dynamic performance over static measurements. This includes the use of satellite-grade naked foil resistors, which are stripped of mold resin to prevent coloration. The chassis itself is a triumph of anti-vibration engineering, with the amplifier block, terminals, and covers left in a non-fixed state, allowing the unit to effectively dissipate mechanical energy that would otherwise blur the micro-details of the music.

Chapter 03
Listening Notes
Expect a presentation that feels less like hi-fi and more like a live performance happening within your room. The E-3 excels at revealing the 'air' around instruments and the natural decay of notes, largely because it does not attempt to artificially polish the signal. The bass is taut and agile, while the mid-range gains a sense of fluidity and organic texture that transforms the listening experience from a mere technical observation into an immersive emotional event.
Specifications
Model nameE-3 SE (Premium Silver), E-3 BE (Premium Black)
Input 1x XLR, 1x RCA (do not connect both!) – dedicated to optical cartridges
Output1x balanced, 1x unbalanced
Sensitivity (1kHz)50mV
Rated output (1kHz)2,54V (balanced), 1,27V (unbalanced)
Maximum output (1kHz)12V (balanced), 6V (unbalanced)
Gain (1kHz, balanced input)34dB (balanced), 28dB (unbalanced)
RIAA deviation±0,2dB
THD (1kHz with 20kHz LPF)0,03% (balanced 2,54V)
Power voltage230V AC 50Hz
Power consumption19W
Maximum external dimensions454(B) × 189(H) × 407(T)mm
Weight27kg
Included accessoriesSpike board, spikes, spacer (for Spike board floating), power cable
