The unibody model debuted in October 2008 in 13- and 15-inch variants, with a 17-inch variant added in January 2009. Called the "unibody" model because its case was machined from a single piece of aluminum
Lighting
A major reduction in the cost of lighting occurred with the discovery of whale oil. The use of whale oil declined after Abraham Gesner, a Canadian geologist, first refined kerosene in the 1840s, allowing brighter light to be produced at substantially lower cost.
Active filters
- Color: Orange
Jack or analogue cinch cables already provide the amplified sound signal. Via USB, so-called frames or data packets are transferred from the hard disk to the USB sound card and then converted and amplified in the speaker.
The SoundLink Mini II Special Edition delivers full, natural sound with dramatically deeper bass than you’d expect from a speaker that fits in the palm of your hand. It also features a built-in microphone for taking calls and makes easy wireless connections any time, anywhere.