Large hd tube
Yet, in the midst of these newer products sprouting up, its easy to forget some of the players that have been around for quite a while. .Audio by Van Alstine (AVA) is that other amplifier company in MinnesotaAudio Research is located nearbyand it is a perfect example of a manufacturer that has quietly gone about its business making great products without a ton of fanfare. And you rarely see products from AVA for sale on the secondary market. .The company obviously has a legion of loyal customers, No matter how much time I spend with mega-dollar power amplifiers, I always love a variation on the Dynaco Stereo 70 theme.