Projects - PSE 144
 

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Construction/Assembly of PSE 144 Horns   

4 Way Speaker system

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

New Speaker Arrangement

measured as a 3 way + sub

 

 

 

 

 

 

 

 

 

 

 

Aura Sound NS18-992-4A 18"

 

 

Nominal Diameter . . . . . . . . . . . . . . .18 inches (477 mm)

Nominal Impedance (Z)  . . . . . . . . . . 4 Ohms

Sensitivity, 1W/1m (E)  . . . . . . . . . . . 86 dB @ 100 Hz

Power Capacity, RMS (Pe) . . . . . . . . 800 W

Power Capacity, Peak . . . . . . . . . . . 3200 W

Frequency Range (-10dB)  . . . . . . . . Fo - 1.5 kHz

Minimum Impedance . . . . . . . . . . . . 5 ohms

Voice Coil Diameter . . . . . . . . . . . . .99.2 mm

Voice Coil Winding Length (h)  . . . . . 25.4 mm

Voice Coil Number of Layers (n) . . . . 1

Voice Coil Former Material . . . . . . . .Glass composite

Voice Coil Wire Composition . . . . . . Aluminum Ribbon

Magnetic Material  . . . . . . . . . . . . . . Neodymium radial

Stray Flux Shielding . . . . . . . . . . . . . Inherent

Magnetic Gap Depth (He)  . . . . . . . . 50.8 mm

Cone Material  . . . . . . . . . . . . . . . . . Aluminum

Surround Material  . . . . . . . . . . . . . . Injecton molded rubber

Polarity, Outward Motion . . . . . . . . . Positive voltage on (+) terminal

Net Weight . . . . . . . . . . . . . . . . . . . . 19.7 kg

 

Thiele / Small Parameters

Resonant Frequency (Fo) - Fs . . . . . 20 Hertz

Voice Coil DC Resistance - Re . . . . . 3.1 ohms

Total Q - Qts  . . . . . . . . . . . . . . . . . . 0.47

Mechanical Q - Qms  . . . . . . . . . . . . 7.7

Electrical Q - Qes  . . . . . . . . . . . . . . 0.50

Equivalent Volume of Air - Vas . . . . . 322 L

Radiating Piston Area - Sd . . . . . . . . 1164 cm2

Electrical / Mechanical Parameters

Flux Density x Length - BL . . . . . . . . 17 Tesla-meters

Compliance - Cms . . . . . . . . . . . . . . 170 Ám/N

Total Mass - Mms  . . . . . . . . . . . . . .400 grams

 

Maximum Excursion . . . . . . . .  . . . . .75 mm peak to peak

Xmax . . . . . . . .  . . . . . . . . . . . . . . . .50 mm peak to peak

 

 

 

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