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Esoteric

C-02X

Representing the next generation in a proud lineage of audio excellence,the C-02X Stereo Linestage Preamplier features state-of-the-art circuitry in a discrete dual mono conguration that dramatically conveys all the power and energy of music.

£17,500

1 year warranty

Finance example

£3,500.00 initial 20% deposit then £466.67 per month for 30 months. Other finance terms available. Finance subject to status

C-02X

£17,500

Assembled one at a time in Esoteric’s Tokyo factory and incorporating all the knowledge and technology of the flagship Grandioso line, these two new models accentuate the refined qualities of audio reproduction with expert craftsmanship and handmade precision.

The preamplifier is a crucial component that determines the ‘sound’ of an audio system, and represents the passion and commitment of its makers. As the crowning achievement of the Esoteric Sound, the Grandioso C1 opened new horizons for ‘Made in Japan’ preamplifiers. Now, this expressive power gives birth to the next-generation C-02X; a stereo preamplifier created to transcend the concept of high fidelity and resonate with the refined sensibilities of engineers and musicians alike.

The C-02X’s DC power supply features a fully independent dual mono design that completely eliminates inter-channel interference. Its dedicated bank of five generously rated power transformers for each channel also blocks noise from the power line, enabling a pure, natural amplified sound. Grandioso technology reveals itself in such detailed refinements as the careful layout of the power supply circuit boards, which further contribute to the C-02X’s superb sound quality.

The preamplifier’s source signal is first received by dedicated buffer amplifiers integrated with each input, from which the circuit configuration is balanced at each stage. Through the elimination of common-mode noise and reductions in circuit impedance, a pure, noise-free signal is fed to the gain amplifiers via the shortest path possible, for an exceptionally high signal-to-noise ratio.

Built into the front panel, the logic control section is totally isolated, both physically and electronically, from the preamplifier module by way of an optocoupler. To assure low-noise operation, it also shuts completely down when not in actual operation, thus eliminating all possible influence on the C-02X’s audio circuitry.

Five independent high-capacity power transformers, coupled with large banks of reservoir capacitors, provide power supply circuits that have exceptionally low output impedances and very clean and stable outputs. The low-noise silicon carbide (SiC) Schottky barrier diodes used in the high-speed rectifier circuit further enhance resolution and the signal-to-noise ratio for significant improvements in sound quality.

As a line driver, the preamplifier must be able to fully drive the power amplifiers and faithfully convey the music signal’s wide dynamic range. The key to achieving this is a circuit that provides both high current drive capability and high speed. The C-02X’s output buffer circuitry delivers an exceptionally high current drive coupled with a high slew rate of 2,000V/μs for sharp response. Independent buffer circuits for each output and symmetrical circuitry for both the hot and cold phases of the XLR outputs maximize instantaneous output current capability.

Located closest to the output buffer circuitry, the EDLC* Super Capacitor array, originally developed for the Grandioso C1, was adapted as a highly stable power source. Its compact physical size belies the extraordinary 100,000μF (0.1F) capacity it provides each channel, for high levels of instantaneous output power and strong, steady bass reproduction. Integrating these two technologies, the C-02X preserves musical dynamics that would otherwise be lost if smaller current transmission levels were employed between the pre and power amplifiers, allowing it to reproduce a breathtaking level of audio reality.

The C-02X’s elegant volume and input selector knobs are machined from solid blocks of aluminum. Like the Grandioso C1, their control shafts use a VRDS drive mechanism bearing system for high-precision rotation, with no mechanical play in their movements. Rotational torque has also been fine-tuned to provide a luxurious analog control feel in keeping with this high-end preamplifier.

Tech spec

Analog Audio Inputs

Connectors

RCA x 3 pairs (RCA 2 can be used as an AV pre-input )

XLR x 2 pairs

Input impedance

LINE : 10 kOhms

Input sensitvity

At rated output : 510 mV

At 800 mV output : 200 mV

Analog Audio Outputs

Connectors

RCA x 2 pairs, XLR x 2 pairs

Output impedance

RCA: 47 Ohms, XLR: 100 Ohms

Frequency response

1Hz – 200 kHz ( -3 dB ); 3Hz – 50 kHz (-0.2 dB)

Gain

+12 dB

Power consumption

21W

External dimensions (W x H x D, including protrusions)

445 x 162 x 457 mm (17 5/8˝ x 6 1/2˝ x 18˝ )

Weight

32 kg ( 70 5/8 lb)

For more information click here to visit the Esoteric website

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