Sound Lab

Ultimate 545

Speaker

Main Details
Maker Sound Lab Brand Roger West, Ph.D. Designer Dale Ream, Ph.D. Designer
Function
Additional Model ID U-545
Form Factor Floorstanding
Signal Path Passive Hardware
Made In United States
Date Produced 2017-2018
Dimensions
(H × W × D)
Weight 152lbs
Power Source 117/220VAC, 50/60Hz, 2W
Frequency Response 32Hz-20kHz ±3dB
Notes Renamed Ultimate-4iA.
Additional Specifications
Driver 870in² Electrostatic Diaphragm
Sensitivity 86dB/2.83V/m
Impedance (Nominal) 8Ω
Horizontal Dispersion 45°
Recommended Power >50W
Power Handling 600W
Finish Black
MSRP (2017) $21,300
Connections
Input
Connector: Binding Post (Universal)
Controls
Parameter: Bass Level
Control Type: Rotary Switch
Range: 4 Positions in 3dB Steps
Parameter: Midrange Level
Control Type: Rotary Switch
Range: 4 Positions in 3dB Steps
Parameter: Treble Level
Control Type: Rotary Pot
Parameter: DC Bias
Control Type: Rotary Pot

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