BEYMA PRO 65ND IS A HIGH POWER LIGHTWEIGHT 6.5" CAR MIDRANGE SPEAKER FROM THE BEYMA COMPETITION SERIES
HANDLES 100 WATTS AES & 200 WATTS PROGRAM POWER
FEATURES A LIGHTWEIGHT NEODYMIUM MAGNET & A VERY HIGH EFFICIENCY OF 100DB SPL
DELIVERS CLEAR, CRISP & DETAILED MIDRANGE OF HIGH QUALITY
AVAILABLE IN 4 OHMS ONLY
 
Specifications
Nominal Basket Diameter
6.5
Impedance
4 ohms
AES Power Rating
100 Watts
Program Power 
200 Watts
Frequency Response
150Hz - 8.0kHz
Sensitivity (1W/1m)
100dB
Voice Coil Diameter
1.5" / 38.5mm
BL Factor
8.2 N/A
Mounting Information
Overall Diameter
6.5" / 165mm
Bolt Circle Diameter
6.14" / 156mm
Baffle Cutout Diameter-
 
- Front Mount
5.67" / 144mm
No. Of Mounting Holes
4
Overall Depth
2.74" / 70mm
Materials
Basket
Die Cast Aluminum
Cone
Paper
Magnet
Ferrite
Thiele-Small Parameters
Resonant Frequency (fs)
215 Hz
Impedance (Re)
3.5 ohms
Coil Inductance (Le)
.35 mH
Mechanical Q (Qms)
8.0
Electrical Factor (Qes)
.51
Total Q (Qts)
.48
Comp. Equivelant Vol. (Vas)
.074 ft3 / 2.1 Liters
Surface Area of Cone (Sd)m2
0.140
Reference Efficiency
4%