Dayton Audio DMA45-8
4Ω
8Ω
Full-range
Nominal diameter | 1.5″ / 38 mm |
Resonance | 151 Hz |
Q factor | 0.59 |
Sensitivity | 77.3 dB |
Linear excursion | ± 2 mm |
Program Power | 20 W |
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- Sensitivity (1W, 1m, infinite baffle) SPL1W 77.3dB
- Frequency response 150 - 20000Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 151Hz
- Mechanical quality factor QMS 4.59
- Electrical quality factor QES 0.68
- Total quality factor QTS 0.59
Large signal parameters
- Maximum linear excursion xmax 2mm
- Air volume displaced at xmax VD 1.7cm³
- Power handling P 10W
- Program power Pmax 20W
Voice Coil
- Nominal impedance Z 8Ω
- DC resistance RE 7.0Ω
- Inductance (1kHz) LE 0.4mH
- VC Diameter 19mm
Magnet
- Force factor Bl 4.26N/A
- Motor constant Bl/√RE 1.61N/√W
Diaphragm
- Effective diameter 33mm
- Effective area SD 8.6cm²
- Moving mass MMS 1.8g
- Moving mass (without air load) MMD 1.8g
Suspensions
- Stiffness KMS 1.67N/mm
- Compliance CMS 600µm/N
- Equivalent volume to the compliance VAS 0.057L
- Mechanical resistance RMS 0.37N·s/m
Dimensions
- Nominal diameter 1.5″
- 38mm
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