ATOHM LD165CR08

8Ω

Mid Bass

Nominal diameter	6.5″ / 165 mm
Resonance	43 Hz
Q factor	0.45
Sensitivity	85.4 dB
Linear excursion	± 5.5 mm
Program power	300 W

Discontinued

ATOHM LD165CR08 Mid Bass

Specifications

Sensitivity (1W, 1m, infinite baffle) SPL1W 85.4dB

Thiele & Small parameters

Resonance frequency (free air) fS 43Hz
Mechanical quality factor QMS 11.16
Electrical quality factor QES 0.47
Total quality factor QTS 0.45

Large signal parameters

Maximum linear excursion (one way) xmax 5.5mm
Maximum excursion before damage xlim 7mm
Air volume displaced at xmax VD 66cm³
Power handling P 90W
Program power Pmax 300W

Voice Coil

Nominal impedance Z 8Ω
DC resistance RE 6.7Ω
Inductance (1kHz) LE 0.47mH
VC Diameter 35mm
Winding height HVC 17mm

Magnet

Flux density B 1T
Force factor Bl 9.1N/A
Motor constant Bl/√RE 3.52N/√W
Air gap height HAG 6mm

Diaphragm

Effective diameter 124mm
Effective area SD 120cm²
Moving mass (including air load) MMS 21g
Moving mass MMD 20g

Suspensions

Stiffness KMS 1.61N/mm
Compliance CMS 620µm/N
Equivalent volume to the compliance VAS 14.7L
Mechanical resistance RMS 0.51N·s/m

Dimensions

Nominal diameter 6.5″
165mm
Volume occupied by the driver (estimated) 0.5L

ATOHM LD165CR08 SPL

ATOHM LD165CR08 Dimensions

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