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Description100% Authentic and Genuine GuaranteePlease check the item specifics above. UESUGI UESUGI Research Institute MC Step-up Transformer MODEL/U:BROS-5 TYPE-L Latter TypeHigh performance = ultra-thin special Permalloy/multi-layer core This is an exhibit of Tamuras custom-made transformer.TYPE-L has a high step-up ratio and is suitable for low-voltage/high-power low-impedance MC cartridges.The PASS terminal for connecting MM cartridges was omitted from the earlier type.The internal wiring and connections have been simplified, giving the impression of a wider range.If you do not use both MM and MC (MC only), you will be able to enjoy the merits of simplification.The structure of a transformer is simple, so the material and structure of the core, its shape and size, the thickness of the windings, and the number of windings and windings are all important. The thickness of the winding, the number of turns, and the winding method, etc.The accumulation of detailed know-how is necessary, and experience is the key to success. The late Mr. Yoshiro Uesugi, who was already well known as an audio critic and an author of articles on amplifier production, founded the Uesugi Laboratory in 1971.Uesugi Laboratory (UESUGI), founded in 1971 by the late Yoshiro Uesugi, who was already well known as an audio critic and author of articles on amplifier production, was born as a manufacturer specializing in vacuum tube amplifiers.At that time, audio amplifiers had already been rapidly converted to semiconductors, and tube amplifiers themselves were in the minority.However, UESUGIs stance that vacuum tubes are the best amplification element has remained unwavering from start to finish.His career began when he was still a university student, when he was invited to join Eroica Electronics Industries, a start-up manufacturer of amplifiers, as the general manager of its business department.He was a man of exceptional ability, as is evidenced by the anecdote that when he was still a university student, he was hired as the director of operations at Eroica Electronics Industries, a start-up amplifier manufacturer.Although he launched high-performance, high-end amplifiers, he gradually developed conflicts with the employees, who were all older than him.In the end, he left the company after two years, and Eroica Electronics Industries itself soon came to an end.A few years later, he co-founded Uesugi Laboratory with his older brother, Takuo Uesugi, and released the memorable first UTY-1 in 1973.The same naming was used for the subsequent models: UTY stands for Uesugi Takuo Yoshio, and the other naming, U-BROS, means Uesugi Brothers.Unfortunately, Mr. Uesugi passed away from lung cancer at the age of 68 in December 2010, a year before the 40th anniversary of the Uesugi brand.He had been a friend of the Uesugi brothers as an engineer and a critic for a long time, and they had many things in common, such as a taste for music and a philosophy of amplifier design.At the request of Mr. Fujiwara, Nobuo Fujiwara, who was in charge of development in Victors audio division at the time, officially took over the USEGI brand.While updating the required content to be able to integrate with the times, the brand has inherited Mr. Fujiwaras aspirations and continues to exist as a prestigious brand today. It is an old story, but in the late 1970s, when the MC cartridge was gradually gaining power, the headphones were used as a means of voltage boosting.At that time, there was a lot of discussion about which was better as a means of voltage multiplication, a head amp or a transformer.It was said that there were different strengths and weaknesses of MC cartridges, and the number of products was competitive.In the 1980s, however, transformers gradually began to overtake head amps, and the head amps were being supplanted by transformers.Therefore, for those who still enjoy analog audio with MC cartridges, a step-up transformer is indispensable.Various transformers have been released from the past to the present, and the way the cartridge and transformer are combinedThe differences in sound can be clearly expressed by the way the cartridge and transformer are combined, so it is a deep and difficult but enjoyable research theme to explore various aspects. Even UESUGI, which is well versed in tube amplifiers, could not commercialize a tube type MC head amp.The main reason why UESUGI could not produce a tube type MC head amp was because of the S/N ratio problem, and the fact that a passive transformer does not emit noise in principle.Even a quintessential semiconductor type head amp cannot compete with a transformer in this area, because the power generated by a phono cartridge is so minute that even a semiconductor type head amp cannot compete with a transformer in this area.I think it is reasonable that Mr. Yoshiro Uesugi chose to use a transformer for boosting MC cartridges.In the current UESUGI lineup, MC step-up transformers are not sold separately.There is only one model of phono amplifier with built-in MC step-up transformer. Uesugi Laboratory has released a step-up transformer for MC cartridges, which was developed to bring out all the charm of MC cartridges.Uesugi Laboratory and Tamura Corporation, a prestigious company with deep knowledge and experience in transformer manufacturing, collaborated to develop a transformer with custom specifications.The core material of the transformer is ultra-thin special/multi-layered Super Permalloy, which has excellent characteristics.Permalloy is a soft magnetic alloy composed of nickel and iron, which has very high permeability and is easy to conduct magnetism.It is an ideal material for transformer cores, and has maintained an unshakeable position as a core for high-end/high-performance transformers in particular.Permalloy is classified according to its nickel content, and the highest grade, 78% Super Permalloy, is very expensive.The peak of the high frequency range is driven down to the band above 100kHz to suppress the coloration of the transformer itself. In order to prevent deterioration of the separation characteristics, left and right completely independent structures are adopted, and not only the signal system including the transformer but also the grounding system is designed to be completely independent on both sides.The grounding system is also designed to be completely independent on the left and right sides.In addition, the chassis earth of the main unit is grounded from the control amplifier itself.To prevent induced hum, the chassis is constructed of special grade iron material, and the transformer is shielded with multiple shields.In addition, the transformer is floating inside a large copper-plated iron case.In order to suppress the magnetic distortion caused by the steel material, our original know-how is incorporated in the signal line routing.In order to eliminate the sound quality degradation caused by the impedance switching switch, the impedance switches are dedicated to the respective impedances, and the impedance switches are designed to be used for both low and high impedance types.Two types of variations, low impedance type and high impedance type, were available.The L type has a primary impedance of 3 ?, and the H type has a primary impedance of 40 ?.The L type is suitable for MC cartridges with low impedance design of the Ortofon series.The L type is also suitable for high-impedance design MC cartridges such as Dennion, etc., and mid-impedance design MC cartridges such as Audio-Technica, etc.H type is suitable for mid-impedance type such as Audio-Technica.Both types are designed with a high margin, so the L type is suitable for 3 to 10 ohm cartridges and the H type is suitable for 10 to 40 ohm cartridges.The H type matches cartridges of 10 to 40 ohms. Type MC step-up transformerPrimary impedance L type: 3?H type: 40?Secondary impedance L type: 2k?H type: 4k?Step-up ratio L type: 25.8 timesH type: 10 timesSecondary side suitable load range 30k? to 100k?Channel balance within 0.3dBFrequency response 10Hz to 130kHz +1.0 -0.5dBDimensions Width 174 x Height 125 x Depth 121mmWeight Approx. 2.5kgPayment ONLY ebay Payments Please Note... We can ship items to only an address registered on ebay. Also you CANNOT change shipping address after you purchase items, so please re-confirm it before you click buy it now or bid button.Shipping Ships from JAPAN with Tracking and Safety Packaging Handling...5 business days after your paymentAbout Us Thank you for visiting our item page! We basically sell Japanese stuffs!International Buyers - Please Note:Import duties, taxes, and charges are not included in the item price or shipping cost. These charges are the buyers responsibility. 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Uesugi Labor U-Bros-1Kit Staubsauger Schlauch VerstärkerDas Datenblatt dieses Produkts wurde ursprünglich auf Englisch verfasst. Unten finden Sie eine automatische Übersetzung ins Deutsche. Sollten Sie irgendwelche Fragen haben, kontaktieren Sie uns.ZahlungSeien Sie versichert, dass unser Shop eine Vielzahl von Zahlungsmethoden anbietet.Bitte zahlen Sie innerhalb von 5 Tagen nach Auktionsende.Über unsWir sind in Japan ansässig. Überprüfen Sie bei elektrischen Produkten den Hersteller und das Produkt und rechnen Sie die Spannung in das jeweilige Land um. Wir planen den Versand per FedEx oder DHL. Bitte kontaktieren Sie uns, da sich die Versandkosten in einigen Fällen ändern können. Es ist uns eine Freude, Sie glücklich zu machen, indem wir Ihnen unseren empfohlenen Artikel vorschlagen.Wenn Sie Fragen oder Wünsche zu Artikeln haben, wenden Sie sich bitte an uns.Internationale Käufer – Bitte beachten Sie:-Einfuhrzölle, Steuern und Gebühren sind nicht im Artikelpreis oder den Versandkosten enthalten. Diese Gebühren liegen in der Verantwortung des Käufers.- Bitte erkundigen Sie sich vor dem Bieten/Kauf beim Zollamt Ihres Landes, wie hoch diese zusätzlichen Kosten sein werden.-Diese Gebühren werden normalerweise von der liefernden Spedition (Versandfirma) oder bei der Abholung des Artikels erhoben – verwechseln Sie sie nicht mit zusätzlichen Versandkosten.-Wir kennzeichnen Warenwerte nicht unter dem Wert und kennzeichnen Artikel nicht als Geschenke. Die Vorschriften der US-amerikanischen und internationalen Regierung verbieten ein solches Verhalten.]]>Wir sind in Japan ansässig. Überprüfen Sie bei elektrischen Produkten den Hersteller und das Produkt und rechnen Sie die Spannung in das jeweilige Land um. Wir planen den Versand per FedEx oder DHL. Bitte kontaktieren Sie uns, da sich die Versandkosten in einigen Fällen ändern können. -Einfuhrzölle, Steuern und Gebühren sind nicht im Artikelpreis oder den Versandkosten enthalten. Diese Gebühren liegen in der Verantwortung des Käufers. -Diese Gebühren werden normalerweise von der liefernden Spedition (Versandfirma) oder bei der Abholung des Artikels erhoben – verwechseln Sie sie nicht mit zusätzlichen Versandkosten. -Wir kennzeichnen Warenwerte nicht unter dem Wert und kennzeichnen Artikel nicht als Geschenke. Die Vorschriften der US-amerikanischen und internationalen Regierung verbieten e Unit Quantity NA Unit Type NA MPN NA Country Japan Brand No Brand UPC NA Country/Region of Manufacture NA California Prop 65 Warning NA Model NA Type NA
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