Allnic Audio M-2500 Rør EffektforstærkereThe M 2500 monoblock power amplifiers are Allnic Audios top of the line, power tube flexible, pushpull monoblock power amplifier model. Like all Allnic Audio products, the M 2500s have Permalloy (iron and nickel alloy) for their transformer cores. Allnic is grateful to Mr. G. W. Elmen of Western Electric for inventing Permalloy for transformer core use, and in so doing, providing an enormous service to recorded music listeners everywhere. 100 watts of