SE universal OPT 3k, primary and 4/8/16ohm secondary 120ma/14watts; Japanese Z11 core, gapped with special quality Japanese paper.and wound with high purity copper wire on special CNC machine for 'perfect lay' windings - tight coupling, higher efficiency, lower capcitance for huge bass and sweet highs. These OPT are OEM for some very expensive and high end tube gear.

(Shipping 97 USD)