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BD 51-6-585 Cell 50 mm Diamond Tweeter 

The BD51-6-585 is a 2 inch tweeter with ultra hard diamond dome in a 86 mm body. A proprietary clamping technique provides easy mounting and adapting to individual frontplates. As the dome breakup is above the audible range and well damped, no dome cutouts are required. A unique FEA optimized underhung motor design with vented titanium voice coil former and double neodymium magnet guarantees low energy storage, excellent heat transfer and high excursion capability for low power compression and ultra low distortion. The new designed soft fabric surround centers the moving parts with improved linearity.
We recommend our BD51-6-585 in an application above 800 Hz.

Our diamond speakers are only sold to loudspeaker producers.

BD051-06-585-CELL_DimWeb-Draht.png

Dome material Diamond
Application Tweeter
Overall diameter 85.6 MM
Cutout Diameter/Square 86 MM
Overall depth 87MM
Motor assembly depth --
Motor assembly diameter --
   

Main Features

full featured cell concept
underhung motor design
vented vc & pole piece
no ferrofluid filling
800 HZ - 20000 HZ

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Mechanical Data

Specification   Value Unit
Overall diameter   85.6 mm
Cutout Diameter/Square   86 mm
Min. frontplate thickness   7 mm
Overall depth   87 mm
Motor assembly depth   -- mm
Motor assembly diameter   -- mm
Screwfitting   -- mm
Terminal   +: 4.8 x 0.8 / -: 2.8 x 0.8 mm
Shipping weight (pair)   2.30 Kg
Shipping box size (pair)   220/115/115 mm
   

Thiele/Small Parameters

Specification   Value Unit
Sensitivity (2.83V / 1m) Spl 92 dB
DC-resistance Re 5.5 Ohm
Resonance frequency Fs 522 Hz
Equivalent volume of air Vas 0 ltr
Mechanical Q Qms 4.71  
Electrical Q Qes 1.66  
Total Q Qts 1.23  
Effective piston area Sd 23.8 Cm2
Moving mass Mms 1.5 g
Suspension compliance CMs 0 mm/n
Mechanical resistance Rms 0 Kg*s
   

voice coil parameters

Specification   Value UNIT
Power handling p 120 W
Linear excursion Xmax +/-0.8 mm
Voice coil diameter   -- mm
Voice coil former material   Ti  
Voice coil material   Cu  
Voice coil inductance Le 0 mH
Force factor  Bl 0 N/A
Motor type   unDERHUNG  
Ferrofluid filling   NO  
   

Frequency Response [DB]

FRQ_BD51-6-586_Cell_prog.png

Impedance [Ohm]

IMP_BD51-6-586_Cell_prog.png

Harmonic Distortion [%]

Klirr_bea_BD51-6-586_Cell_prog.png

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