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  2. Audi 80 - Wikipedia

    en.wikipedia.org/wiki/Audi_80

    In Europe, the 80 was the standard model, while after a 1984 facelift the Audi 90 was launched as a larger-engined version of the 80; with more options, and, aside from the 70 PS (51 kW; 69 bhp), four-cylinder 1.6-litre turbodiesel (TD) engine which was also available for the 80, two five-cylinder in-line petrol engines — a 2.0-litre with 115 ...

  3. High-CRI LED lighting - Wikipedia

    en.wikipedia.org/wiki/High-CRI_LED_lighting

    It is therefore frequently ignored in marketing (the CRI value only occasionally appears on product packaging). [citation needed] Light bulbs with a high CRI can be acceptable replacements for incandescent bulbs. Most LED lamps do not have a CRI above 90. For example, the top bulbs listed in the 2016 Consumer Review have a CRI of 80. [3]

  4. LED lamp - Wikipedia

    en.wikipedia.org/wiki/LED_lamp

    The CRI value can range from less than 70 to over 90, although a wide range of commercial LEDs of this type have a color rendering index around 82. [50] Following successive increases in efficacy, which had reached 210 lm/W on a production basis as of 2021, [51] this type has surpassed the performance of trichromatic LEDs.

  5. Audi Coupé - Wikipedia

    en.wikipedia.org/wiki/Audi_Coupé

    The Audi Coupé is a liftback coupé version of the Audi 80, first shown in 1980. The bodywork was shared with the Audi Quattro. The second generation Coupé arrived in late 1988 and was based on the B3 Audi 80, albeit with a different suspension. The Coupé remained in production until the end of 1996 and spawned the Audi S2 series of sports ...

  6. List of Volkswagen Group platforms - Wikipedia

    en.wikipedia.org/wiki/List_of_Volkswagen_Group...

    Audi 4000, Audi 80, Audi 90, Audi A4, Volkswagen Passat, SEAT Exeo, Škoda Superb: Another prolific platform, now informally in its ninth generation. C series [2] extended mid-size executive cars: Audi 5000, Audi 100/200, Audi A6, Audi A6 allroad quattro: Eight generations to date. D series: full-size luxury cars

  7. List of Audi vehicles - Wikipedia

    en.wikipedia.org/wiki/List_of_Audi_vehicles

    The following list of Audi vehicles, including past and present production models, as well as concept vehicles and limited editions. The current era of Audi production dates to 1968, when present-day owner Volkswagen Group , which had purchased Auto Union from Mercedes-Benz in 1965, debuted the first modern Audi-branded vehicles.

  8. Color rendering index - Wikipedia

    en.wikipedia.org/wiki/Color_rendering_index

    Researchers use daylight as the benchmark to which to compare color rendering of electric lights. In 1948, daylight was described as the ideal source of illumination for good color rendering because "it (daylight) displays (1) a great variety of colors, (2) makes it easy to distinguish slight shades of color, and (3) the colors of objects around us obviously look natural".

  9. Audi S and RS models - Wikipedia

    en.wikipedia.org/wiki/Audi_S_and_RS_models

    Today's S and RS models are based on the A/e-tron GT/Q [2] models with the same number (e.g. S4/RS 4 is based on the A4 or the RS Q3 based on the Q3), but the "Ur-S4" from 1991 to 1994 was based on the Audi 100/200 later named A6 and the first S2/RS2 generation from 1990 to 1995 was based on the Audi 80/90 platform later replaced by the A4.