The maximum measured output impedance was 0.16 ohms, at 20kHz into a 4 ohm load, this decreasing to less than 0.1 ohm at 1kHz. This is not unusually low for a solid-state amplifier, but low enough that any effect on the amplifier's frequency response with a real load will be small.
The History of American Girl Dolls and Pleasant Company and changes in Book Illustrations. Pleasant Company began in 1986 in Middleton, Wisconsin. The company was founded by Pleasant T. Rowland, a woman who used to be a teacher and a publisher of educational texts. Rowland sold Pleasant Company in 1998 to Mattel. Pleasant Company is now legally called American Girl. The first catalogue contained only 3 historical dolls, whereas now there are 10 (not counting the new addition of the best friends dolls).
Westinghouse bought 7 Up in 1969 and sold it in 1978 to Philip Morris, who then in 1986 sold it to a group led by the investment firm Hicks & Haas. 7 Up merged with Dr Pepper in 1988; Cadbury Schweppes bought the combined company in 1995.The Dr Pepper Snapple Group was spun off from Cadbury Schweppes in 2008. Up Free. 7 Up Free is sold in the UK, Ireland, Spain, Norway, Argentina, Iceland, Finland, UAE, Uruguay, Pakistan, and the Netherlands. It contains no caffeine, sugar, colorings or preservatives and is marketed as Natural Lemon and Lime flavour similar to the 100% natural. American version.