The new AD-200B is one of the purest bass amplifiers ever produced. No bells and whistles, just the shortest signal path which gives the best results. This amplifier has become the bass player's favourite, is outstanding and without competition, producing the purest sounds throughout the bass spectrum. Specs: Controls Gain, Bass, Middle, Treble, Master Features Dual output (passive archive), Slave out, Failure fuse Output 200w (RMS) Valves Preamp - 2 X ECC83, 1 x ECC81 / 12AT7, Output 4 X 6550 / KT88 Speaker 1 x 8 ohms, 2 x 4 ohms Dimensions (W x H x D) 55 x 24 x 28cm Weight 25kg