Bohlender Graebener Radia 520dx full range

BG Radia Corp 520dx Planar Loudspeaker 
The 520dx freestanding loudspeaker by BG Radia is the most versatile loudspeaker available, offering excellent power handling with dynamic peaks and long term reliability. This speaker incorporates a 50 inch planar ribbon line source driver with a linear push-pull motor to drive an ultra light diaphragm above a passive crossover point of 350Hz. The speaker is housed in a custom, silver-anodized aluminum tower with an MDF base and finished with a striking wear resistant coating. 
FEATURES 
Dynamic, smooth and ultra clean + Cylindrical sound field, eliminating unwanted mid and high frequency floor and ceiling reflections + Accurately reproduces dynamic peaks at high power for realistic reproduction + Loudspeaker has planar ribbon drivers which offer amazing clarity, fidelity and resolution + MDF enclosure housing the mid bass drivers and crossover components. 
SPECIFICATIONS 
Planar driver finished with a black fabric grille and silver anodized tower + Maximum power: 50 – 250 watts + Frequency response: 70Hz - 20kHz + Crossover frequency: 350Hz + Dimensions: 70.25” x 9.25” x 13.25” base 13.75” x 17.75” + Weight: 59 lbs Rating would be 9/10 except for one base has some of the black laminate lifting as shown on photo.  I am the original owner with original boxes. They have been in one sound room and well taken care of. They are beautiful and sound amazing. I can offer delivery in the Northeast tri-state area. They can be shipped but it would be very expensive due to size and weight. Local pickup on Long Island is also welcome. Paypal add 3.5%.