Specifications
 
Sensitivity: 89 dB / watt / m
Nom. impedance: 6 ohms (SE versions drop to 2 ohms above 5 kHz. As there is little current flowing there, this is not a problem for most amplifiers).
 
Standard Version
	
Twin 13″ long throw bass drivers with ultra hard injection moulded diaphragm in sealed enclosure, driven by 2 x 350 W Class D amplifier module with programmable DSP and 4 user-selectable presets for optimal integration in any listening room.
	
6″ custom-made woodcone bass-midrange driver, 1st order low pass filter, no high pass filter, ash tree phase plug, magnet structure force fit mounted to the whole wooden mass of enclosure.
	
3″ custom-made widebander, 1st order high pass filter, unique electromechanical parallel resonator installed.
	
Internal wiring orientation-optimised silk-wrapped high-frequency stranded litz.
	
WBT NextGen binding posts.
	
Rear ambient tweeter.
 
SE Version
	
Added electromechanical parallel resonator to bass-midrange.
	
Added Bybee Quantum Purifiers.
	
Added proprietary phase linearization network.
 
SE+ Version
	
Added electromechanical series resonators to widebander and bass-midrange driver, all parallel and series resonators of STAGE II type.
	
Added Steinmusic Speaker Match Signature.
	
Added Harmonix Tuning Bases to widebander.
	
Mundorf Silver Gold Oil main capacitor for widebander instead of Obbligato Premium capacitor.
	
Added Mundorf MCap Supreme to rear tweeter
	
Swing Base included
 
Trees
Choose from walnut, ash tree and cherry.
 
Dimensions
105 x 18 x 39 cm, weight approx. 40 kg per piece (depending on version and wood).