I nominate Electro Voice Patricians.
20hz to 20khz +/- 2dbs. 103 db/2.83v/1m efficiency. Nominal 16 ohm impedance. Power handling of 50 watts continuous, 150 watts pulsed. Easy conversion from passive amplification to active bi tri or quad amping via jumpers at the rear of the speakers. Level controls on rear panel for adjusting the relative volume of each drive unit to suit positioning, the room and personal preference. Lightweight 30 bass drivers in an airtight enclosure with a throated mouth in a corner horn arrangement.