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  2. Loudspeaker time alignment - Wikipedia

    en.wikipedia.org/wiki/Loudspeaker_time_alignment

    For the sake of this article and simplicity, a 2-way speaker system will be assumed - consisting of a woofer and a tweeter. Since the woofer covers the lower-end of the audio spectrum and the tweeter covers the upper-end, the dividing point between the two being the crossover frequency, it is of utmost importance that, at the crossover ...

  3. Marijuana strain types. Experts weigh in on the differences ...

    www.aol.com/news/marijuana-strain-types-experts...

    Stoners and scientists disagree on the answer. Some ask for a new system.

  4. Cannabis strain - Wikipedia

    en.wikipedia.org/wiki/Cannabis_strain

    Cannabis strains is a popular name to refer to plant varieties of the monospecific genus Cannabis sativa L.. They are either pure or hybrid varieties of the plant, which encompasses various sub-species C. sativa , C. indica , and C. ruderalis .

  5. Tweeter - Wikipedia

    en.wikipedia.org/wiki/Tweeter

    These tweeters typically do not have a frame or basket, but a simple front plate attached to the magnet assembly. Dome tweeters are categorized by their voice coil diameter, and range from 19 mm (0.75 in), through 38 mm (1.5 in). The overwhelming majority of dome tweeters presently used in hi-fi speakers are 25 mm (1 in) in diameter.

  6. Cannabis sativa - Wikipedia

    en.wikipedia.org/wiki/Cannabis_sativa

    The flowering cycle can last anywhere between seven and fifteen weeks, depending on the strain and environmental conditions. When the production of psychoactive cannabinoids is sought, female plants are grown separately from male plants to induce parthenocarpy in the female plant's fruits (popularly called "sin semilla" which is Spanish for ...

  7. Audio crossover - Wikipedia

    en.wikipedia.org/wiki/Audio_crossover

    For passive systems, the tweeter is wired with opposite polarity to the woofer; for active crossovers the high-pass filter's output is inverted. In 3-way systems the mid-range driver or filter is inverted. However, this is generally only true when the speakers have a wide response overlap and the acoustic centers are physically aligned.

  8. List of names for cannabis - Wikipedia

    en.wikipedia.org/wiki/List_of_names_for_cannabis

    Industry trade name for cannabis strain. [63] Durban Poison Industry trade name for cannabis strain. [63] Extract English. Wax product. [79] Feral cannabis or feral hemp Wild cannabis strain. [80] Flower English. Part of a cannabis plant. [21] Girl Scout Cookies Industry trade name for cannabis strain. [63] [73] Gorilla Glue Industry trade name ...

  9. Cannabinoid - Wikipedia

    en.wikipedia.org/wiki/Cannabinoid

    Cannabis plants can exhibit wide variation in the quantity and type of cannabinoids they produce. The mixture of cannabinoids produced by a plant is known as the plant's cannabinoid profile. Selective breeding has been used to control the genetics of plants and modify the cannabinoid profile.