The Tung Sol 7189 adds about 2 watts of extra power over the standard EL84. In addition to fuller bass and excellent mids. The 7189 has a great upper mid range. These tubes give the FX10, FX10H, and F11 some more presence with hard to drive speakers. These should be part of your tube collection if you are an EL84 lover like us

Price includes UPS shipping and is for a matched and burned in Quad with a 1 year warranty starting on the delivery date.