DAYTON AUDIO DS90-8 Design Series Speaker Driver Full Range 20W 8 Ohm 84dB 80Hz - 13kHz Ø8cm

The Designer Series loudspeakers have been developed specifically in the spirit of the manufacturer.

It's an attractive and affordable line of speakers that is designed to deliver performance.
Dayton Audio's engineers ensure that each speaker in the series is capable of handling the full rated power at the lowest frequency.

These speakers combine performance with elegant style.
Carefully optimized to provide superb audio reproduction when incorporated into a wide variety of speakers, the engineers of the Designer Series have set their sights on excellence.

Features : 

• ominal diameter: 80mm
• Allowable power (RMS): 20 Watts
• Permissible power (max): 40 Watts
• Impedance: 8 ohms
• Frequency response: 80Hz - 13000kHz
• Sensitivity: 84.5 dB, 2.83V / 1m
• Voice Coil Diameter: 0.8".
• Magnet weight: 8 oz
• Resonance frequency (Fs): 74.7Hz
• DC Resistance (Re): 6.5 ohms
• Coil inductance (Le): 0.58 mH
• Mechanical Q (QMS): 2.07
• Electromagnetic Q (Qes): 0.5
• Total Q (Qts): 0.4
• Volume compliance (Vas): 0.06 cu. ft.
• Mechanical suspension compliance (Cms): 1.26 mm / N
• BL Product (BL): 4.7 Tm
• Pressure supported by the diaphragm (Mms): 3.6g
• Maximum linear excursion (Xmax): 2.5mm
• Cone surface area (Sd): 31.2cm²

• Cone: Coated paper
• Suspension material: Rubber
• Moving Coil: Copper and Aluminium Wire
• Steel Frame
• Ferrite magnetcier
• Aimant ferrite

• Overall outer diameter: 92mm
• Cutting diameter: 70mm
• Depth: 45mm
• Mounting holes: 4
• Weight: 545g