{"product_id":"aries-cerat-virgo-two-chassis-pre-amplifier","title":"Aries Cerat Virgo Two Chassis Pre Amplifier","description":"\u003cdiv class=\"vc_custom_heading_wrap\"\u003e\n\u003cdiv data-delay=\"400\" class=\"heading-text el-text bottom-t-top animate_when_almost_visible start_animation\"\u003e\n\u003ch3 class=\"font-663512 fontsize-163600 font-weight-300 text-color-lxmt-color\"\u003e\u003ci\u003e\u003cspan\u003eWe proudly present a further addition to our Legend Series: the Virgo - the matching preamplifier to the Achilleas Power Amplifier, the Zephyrus Phono, the Homerus Dac, and the Contendo II Horn Speaker system.\u003c\/span\u003e\u003c\/i\u003e\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"clear\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"vc_custom_heading_wrap\"\u003e\n\u003cdiv data-delay=\"400\" class=\"heading-text el-text bottom-t-top animate_when_almost_visible start_animation\"\u003e\n\u003ch3 class=\"font-663512 fontsize-163600 font-weight-300 text-color-lxmt-color\"\u003e\u003ci\u003e\u003cspan\u003eThe Legend Series is our finest expression of ultra high end audio, a level of music musical realism and accuracy never seen before in any domestic setting. It is a realisation of how far ultra high end audio can go when the best design practices and materials are used, along with zero contraints on size, budget and topology.\u003c\/span\u003e\u003c\/i\u003e\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"vc_custom_heading_wrap\"\u003e\n\u003cdiv class=\"heading-text el-text\"\u003e\n\u003ch2 class=\"font-841917 h2 fontspace-781688 font-weight-300 text-color-xsdn-color\"\u003e\u003cspan\u003eThe Design Concept\u003c\/span\u003e\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"uncode_text_column\"\u003e\n\u003cp\u003e\u003cspan\u003eThe Virgo is based on a extremely elaborate small Single Ended Triode amp design, using a pair of triode-strapped E280F supertubes per channel.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe main power supplied, bias supplies and signal transformers are specially design not to impede with the circuit performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe main idea of parallel triode single ended preamp is simple, however the Virgo is an example of how a simple circuit sounds when implementation is a true cost no object approach.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv class=\"vc_custom_heading_wrap\"\u003e\n\u003cdiv class=\"heading-text el-text\"\u003e\n\u003ch2 class=\"font-841917 h2 fontspace-781688 font-weight-300 text-color-xsdn-color\"\u003e\u003cspan\u003eThe Output Stage\u003c\/span\u003e\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"uncode_text_column\"\u003e\n\u003cp\u003e\u003cspan\u003eThe output stage is a dual parallel single ended triode(SET) circuit, using dual E280F supertubes per channel.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis SET circuit uses a special quality nanocrystalline-core bifilar output transformer, for supreme linearity and bandwidth. The output stage local power decoupling is using a massive film capacitor with extreme specifications (max current delivery 10000A and ESR of 1.5mOhm!) which makes it virtual transparent.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe combination of the output transformer, psu, bias system and tube compliment, make this circuit present an unprecedented dynamic headroom for a line level preamp. It’s maximum voltage and current swing is 30-100x more than any amplifier, low or high gain, will even require. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe biasing system is an elaborate system, which begins with tube rectifiers for the negative voltage supply, super film capacitors throughout, choke filtration and double trimmed adjustments for each channel.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe bias system provides a superbly clean noiseless negative bias to the output stage, to sustain a lowest possible noise floor.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe bias system can be monitored and adjusted on the fly, using the internal dual meter\/monitors.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv class=\"vc_custom_heading_wrap\"\u003e\n\u003cdiv class=\"heading-text el-text\"\u003e\n\u003ch2 class=\"font-841917 h2 fontspace-781688 font-weight-300 text-color-lxmt-color\"\u003e\u003cspan\u003eVolume Control\u003c\/span\u003e\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"uncode_text_column\"\u003e\n\u003cp\u003e\u003cspan\u003eAs with all our preamps, the volume control is implemented using specially wound multi-tap input transformers.\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eVolume contro\/attenuation  is achieved by selecting which tap of the secondary is active, using an array of ultra low noise latching relays. These relays are active only when they change state, and power down when not changing state, eliminating noise bleed through the control system to the signal.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv class=\"vc_custom_heading_wrap\"\u003e\n\u003cdiv class=\"heading-text el-text\"\u003e\n\u003ch2 class=\"font-841917 h2 fontspace-781688 font-weight-300 text-color-lxmt-color\"\u003e\u003cspan\u003eThe Power Supply\u003c\/span\u003e\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"uncode_text_column\"\u003e\n\u003cp\u003e\u003cspan\u003eThe power supply is fully a dual mono tube rectified unit.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe high voltage rails are powered by a xenon-rectifier bank. Xenon rectifiers are the closest thing to a mercury vapor rectifiers, without the drawbacks and risk of using mercury vapor rectifiers. These extremely high current xenon rectifiers,have solid state-like current delivery and very low sagging, while have zero switch noise when properly implemented.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe negative bias circuits are powered also by a tube rectifier, using the 6AU4 damper diode. This solution give the lowest possible noise floor to the critical negative bias section.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eNo electrolytic capactitors are used throughout the unit as well the local decoupling capacitors in the main unit. \u003c\/span\u003e\u003cspan\u003eInstead, we use a special breed of film SuperCapacitors.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFor reference purposes, the local capacitor bank in the main unit, has a max surge capabilities of 30000Amperes . Of course these specs are nowhere near any audio circuit will demand, however this is a testament that the ESR an ESL ratings of the capacitors are a few magnitudes lower than any capacitor used, making these PSU capacitors truly invisible to the audio signal. These special SuperCapacitors are used in the main PSU rails as well as the negative bias circuits.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe Xenon rectifier banks used for the high voltage rails, and the damper diodes used in the negative bias supply, provide the lowest noise floor possible with extremely high current delivery \/low sagging.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Aries Cerat","offers":[{"title":"Black","offer_id":56059423752566,"sku":"Virgo","price":144950.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8750\/2569\/files\/Virgo-main1.jpg?v=1754557233","url":"https:\/\/nintronics.co.uk\/products\/aries-cerat-virgo-two-chassis-pre-amplifier","provider":"Nintronics UK","version":"1.0","type":"link"}