Use :                Motorcycle / Car / Bike

Brand :            BESTER AUDIO OR Custom your brand

Pro Loud Series

SPECIFICATIONS

MODEL NO.                                                            BT- A65C                                                              BT-A80C

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----------------------------------97dB ± 3dB

Frequency Range----------------------------------160~ 10  KHz ---------------------------------112~ 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--------------------------------------112 Hz

D.C.Voice Coil Resistance,Re --------------------------          --------------------------------------

Electrical Quality Factor,Qes ----------------------------1.33 --------------------------------------- 1.2

Total Quality Factor,Qts ---------------------------------1.13 ----------------------------------------1.1

Equivalent Air Volume to Cms,Vas ---------------------2.98L/  FT ---------------------------------- 9.8L/  FT

Mechanical Compliance,Cms -------------------------------------119.2 uM/N -------------------------------------------151.8 uM/N

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

BL Factor,BI---------------------------------------------------------------4.45 N/A ---------------------------------------------4.8 N/A

Effective surface area,Sd--------------------------------------------  13.27 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