Try the Amperex Pinch Waist 6922 gold pins, USA or Holland from the 50's, or the Amperex Pinch Waist 6dj8 metal pins.
They sound GREAT, extended on treble, detailed, and beautiful mids, with mid bass, and bass to rock your world.
Rare, yes, expensive, yes, worth it, yes. JMHO, YES
They sound GREAT, extended on treble, detailed, and beautiful mids, with mid bass, and bass to rock your world.
Rare, yes, expensive, yes, worth it, yes. JMHO, YES