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A headshell is a head piece designed to be attached to the end of a turntable's or record player's tonearm, which holds the cartridge. [1] Standard catridges are secured to the headshell by a couple of 2.5 mm bolts spaced 1/2" apart. Older, non-metric cartridges used #2 (3/32") bolts. [2]
The Series II [10] arm was SME's first arm. It came in two variants the 3009 and 3012 (9" and 12" respectively) tone arms which were widely adopted for audiophile and broadcast use during the 1960s and 1970s, at the higher end of the market.
For today's demanding audiophile, LP12 is commonly partnered with the Linn Ekos SE tonearm; the unipivot ARO tonearm from Naim Audio is also very popular. External power options include Linn's own top-of-the-line Radikal power supply featuring an auto-calibrating speed management system; Naim Audio manufactures the Armageddon power supply for ...
The value for water is about 0.073 N/m (0.0050 lb f /ft) at 21 °C (70 °F). The main effects of surface tension are on minimum operating pressure, spray angle, and drop size. Surface tension is more apparent at low operating pressures. A higher surface tension reduces the spray angle, particularly on hollow cone nozzles.
Spray angle: spray angle has an inverse effect on drop size. An increase in spray angle will reduce the drop size, whereas a reduction in spray angle will increase the drop size. Liquid properties: viscosity and surface tension increase the amount of energy required to atomize the spray. An increase in any of these properties will typically ...
Sewage treatment is the treatment and disposal of human waste. Sewage is produced by all human communities. Treatment in urbanized areas is typically handled by centralized treatment systems.
Deep injection well for disposal of hazardous, industrial and municipal wastewater; a "Class I" well under USEPA regulations. [1]An injection well is a device that places fluid deep underground into porous rock formations, such as sandstone or limestone, or into or below the shallow soil layer.
An automated vacuum waste collection system, also known as pneumatic refuse collection, or automated vacuum collection (AVAC), transports waste at high speeds through underground pneumatic tubes to a collection station where the waste is compacted and sealed in containers. Full containers are transported away to be emptied.