Design Acoustics

D-4A

Speaker

Main Details
Maker Design Acoustics Brand George Sioles Designer
Function
Form Factor Floorstanding
Signal Path Passive Hardware
Made In United States
Dimensions
(H × W × D)
Weight 55lbs
Frequency Response 35Hz-18kHz ±3dB
Additional Specifications
Treble 1" Dome
Treble 1.5" Paper Cone (x2)
Midrange 5" Paper Cone
Bass 8" Paper Cone (x2) Fs: 25Hz
Sensitivity 92dB/W/m
Impedance (Nominal) 4Ω
Crossover Frequencies 700Hz, 2kHz
Dispersion (Horizontal) 180°
Dispersion (Vertical) 90°
Enclosure Type Sealed
Enclosure Resonance 41Hz
Recommended Amplifier Power 20-125W
Finish Walnut
MSRP (1979) $278
Connections
Input
Connector: Binding Post (Universal)
Controls
Parameter: High Frequency Attenuation
Control Type: Toggle Switch
Range: 3dB
Parameter: Low Frequency Attenuation
Control Type: Toggle Switch
Range: 3dB

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