Features All-passive tone sulpting circuitry with vacuum tube make-up gain and line drivers Overlapping and Interleaved Frequency choices Every band switchable to Shelf or Bell Unit is hand-wired with silver solder and audiophile-grade componentry Custom-wound MANLEY input and output transformers with nickel laminations in mu-metal cases for that big MANLEY sound! Description Product Description Colossal, timbre-twisting passive equalization using metal-film resistors, film capacitors, and hand-wound inductors to organically sculpt the tone from subtle to vivid. Manley's tube stages handle huge HF boosts without silibance and unbelievable fatness without mud. "It's like a Pultec on Steroids."