Grado SR60 Vs. SR80 for the iPod
The iPod -- the ubiquitous digital multimedia player from United States technology company Apple -- is commonly used with earbuds for listening to audio close to the ears. However, for a much bulkier and sturdier pair of headphones, it's worth checking out the Grado SR60 and the slightly more advanced Grado SR80 from Brooklyn-based Grado Labs as among the options.
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General Description
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Introduced in 2004, the Grado SR60 and the Grado SR80 are members of Grado Labs' lower-range Prestige Series; only the company's earphone series are ranked lower in its product line-up. As of September 2011, the current generation of production for the two headphones are the SR60i and SR80i, with the one-letter suffix standing for "improved."
Design
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With a black color finish, the Grado SR60 and the Grado SR80 use a vented diaphragm for the ear cushions and copper connecting cord, the end of which is a 3.5 mm plug to insert into the iPod's headphone jack. The cord on the SR80, however, is described as a higher-quality, four-conductor connecting cable. Also, the SR80 has larger and deeper ear cushions than the SR60. The result is supposed to be a slight enhancement to the bass and overall sound detail.
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Frequency Response
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Like other headphones, the Grado SR60 and the Grado SR80 have a frequency response. This is the range and balance of sound measured in hertz or kilohertz, and it's used to determine the accuracy of sound. Each SR60 and SR80 has a frequency response of 20 to 20,000 hertz, which is the range used to describe normal human hearing or high-fidelity sound.
Other Specifications
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The sound pressure level of the Grado SR60 and the Grado SR80 -- which is the loudness of their sounds -- is measured at 98 decibels. Their normal impedance -- or effective resistance to alternating current -- is set at 32 ohms.
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