Aries Cerat Incito S Reference Pre-Amplifier

£13,950.00
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Generally, in audio designs, simple circuits tend to work and most important sound much better. However, in many cases, simple solutions come with shortcomings particularly in audio in the form of questionable measured performance.

The Incito S is a contrary statement to this ‘rule’. As with the Incito, in the heart of the Incito S preamplifier beats a zero feedback power gain stage which consists of a small SET amplifier and a transformer coupled super triode using the ultra high trans-conductance E280F. This superb tube, which is made primarily by Siemens(, is loaded with the highest quality step down transformer with reconfigurable secondary winding to support switchable gain. Switches on the back re-configure the secondary winding to switch between 20db and 14db of max gain.

This small SET amplifier can easily provide voltage swings of over 320V, stepped down to 80Vpp (or 40Vpp on the -6db configuration) while keeping transistor-like noise figures. The specially designed step down transformer provides very low output resistance and more than adequate current to drive any load down to 50 ohms! This required a robust and preferable a passively filtered power supply.

The power supply is built around the 5AR4 rectifier and uses separate double pi filtering for each channel with oversized chokes and high-speed capacitors. The power transformer is encased in an external chassis, connected with a permanent umbilical cord. This design choice lead to improved noise floor figures of 20db, now well below the -110db mark.

For volume control we used the best-to-our-ears way of implementing a volume control apparatus… that is transformer volume control. The Incito S uses the same TVC and input system of our bigger preamplifier brothers such as the Impera II. To go even further we used the same AC link proprietary technology for the biasing of the small SET amplifier. The bias circuits are controlled and monitored by the use of a variable pot and a build-in meter which ensures bias tuning of the design is both easy and intuitive.

The Incito is already a great preamplifier and it was very hard to outperform it with a design that could fit in the same chassis and keep the weight unchanged. The Incito S is our answer to that challenge and I believe we have succeeded.

Specifications

SPECIFICATIONS

Full swing signal bandwidth: -6db @ 4Hz~140kHz Harmonic distortion: 0.005% typical

Maximum signal output swing: 32Vrms @ 10kohm load -6db switch

(reconfigurable step down)   Gain: 20db/14db selectable

Maximum harmonic distortion: less than 0.1% THD at 20V rms)
Output impedance: 50ohm (12ohm in -6db mode) Weight: 34Kg unpacked
Book a Demo - Aries Cerat Incito S Reference Pre-Amplifier

Nintronics offers generous trade in prices to help make your next upgrade as seamless as possible, while greatly reducing the overall price of your purchase. Depending upon the items involved, Nintronics will be happy to send out one of our nationwide installation engineers to collect your traded in items and unbox, setup and calibrate your new equipment.



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