Bullet 770 SS HLCD Specifications

Re

4.0

Ohm

electrical voice coil resistance at DC

Krm

0.0004

WRIGHT inductance model

Erm

0.93

WRIGHT inductance model

Kxm

0.0028

WRIGHT inductance model

Exm

0.82

WRIGHT inductance model

Cmes

189.77

µF

electrical capacitance representing moving mass

fs

93.1

Hz

driver resonance frequency

Mms

18.543

g

mechanical mass of driver diaphragm assembly including air load and voice coil

Mmd (Sd)

17.342

g

mechanical mass of voice coil and diaphragm without air load 

Rms

1.296

kg/s

mechanical resistance of  total-driver losses

Cms

0.157

mm/N

mechanical compliance of driver suspension

Kms

6.35

N/mm

mechanical stiffness of driver suspension

Bl

9.885

N/A

force factor (Bl product)

Qms

8.371

mechanical Q-factor of driver in free air considering Rms only

Qes

0.386

electrical Q-factor of driver in free air considering Re only

Qts

0.369

total Q-factor considering Re and Rms only

Vas

6.0776

l

equivalent air volume of suspension

n0

1.223

%

reference efficiency (2 pi-radiation using Re)

Lm

93.07

dB

characteristic sound pressure level (SPL at 1m for 1W @ Re)

Lnom

96.69

dB

nominal sensitivity (SPL at 1m for 1W @ Zn)

Sd

165.13

cm²

diaphragm area