Use :                Motorcycle / Car / Bike

Brand :            BESTER AUDIO OR Custom your brand

Pro Loud Series

SPECIFICATIONS

MODEL NO.                                          BT- A65B                                                          BT-A80B

Nominal Diameter -------------------------- 6.5 inch / 165mm   --------------------------------- 8 inch / 204mm

RMS Power -------------------------- 100 W -------------------------------------- 150  W

MAX Power -------------------------- 200 W  --------------------------------------300W

Sensitivity(1w/1m) ------------------- 96dB ± 3dB ------------------------------- 92dB ± 3dB

Frequency Range---------------------160~ 10  KHz -------------------------------106~ 10  KHz

Voice Coil Diameter-------------------1.5 Inch / 38mm ---------------------------1.5 Inch / 38mm

Air Gap Height ------------------------ 7 mm ----------------------------------------- 9 mm

THIELE&SMALL PARAMETERS

Resonant Frequency,FS---------------- 160 Hz ----------------------------------------106 Hz

D.C.Voice Coil Resistance,Re ----------  4 Ohms----------------------------------------4 ohms

Electrical Quality Factor,Qes -------------1.52  ----------------------------------------- 1.29

Total Quality Factor,Qts ------------------1.34  ----------------------------------------- 1.13

Equivalent Air Volume to Cms,Vas ------3.18L/  FT ------------------------------------ 11.14L/  FT

Mechanical Compliance,Cms -----------------131 uM/N -------------------------------------------------167 uM/N

Mechanical Resistance,Rms------------------0.35 kg/s----------------------------------------------------0.65 kg/s

BL Factor,BI--------------------------------------4.2 N/A   ----------------------------------------------------- 4.8 N/A

Effective surface area,Sd--------------------  13 m M    ----------------------------------------------------21.3 m M

Linear Excursion,Xmax----------------------1.5  mm  ------------------------------------------------------- 2  mm

MATERIALS

Basket---------------------------------------Steel------------------------------------Steel

Cone-----------------------------------------Paper----------------------------------Paper

Surround------------------------------------Cloth-----------------------------------Cloth

Voice Coil Wire------------------------------CCAW---------------------------------CCAW

Voice Coil Bobbin---------------------TIL (Hi Temperature)--------------------TIL (Hi Temperature)

Magnet Material--------------------- ---------Ferrite-------------------------------Ferrite

MOUNTING INF ORMATION

Overall Diameter------------------165 mm ----------------------------------- 210 mm

Bolt Circle Diameter---------------158MM  -----------------------------------198 MM

Baffle Cutout Diameter------------142mm -----------------------------------186mm

Mounting Depth-------------------71mm  -----------------------------------87mm