EMPORIUM single ended op tx 5k primary 15 or 8 ohm secondary 5 watts, these are copies of an old parmeko design
ideal for mullard 3-3 circuit or similar available only from THE EMPORIUM 175 pair
EMPORIUM single ended op tx 3.5k primary 15 or 8 ohm secondary , available only from THE EMPORIUM 5 watts 175 pair