Reference Standard 4.5


Main Details
Maker Infinity Brand Arnie Nudell Designer
Additional Model ID RS-4.5
Form Factor Floorstanding
Signal Path Passive Hardware
Made In United States
Date Produced 1978-1982
Dimensions Speaker: 64.5"x26.5"x14.5" Control Unit: 2.2"x14.5"x10.25" (HxWxD)
Weight 117lbs
Frequency Response 24Hz-32kHz ±3dB
Notes *EMIT (ElectroMagnetic Induction Tweeter)
**EMIM (ElectroMagnetic Induction Midrange)
Additional Specifications
Tweeter (Front) EMIT* (x3) PN 902-0143
Tweeter (Rear) EMIT* PN 902-0143
Midrange EMIM** (x4) PN 902-0012
Bass 12" Infinity-Watkins Dual-Drive Polypropylene Cone Woofer (x2) PN 902-1180
Impedance 4Ω
Crossover Points 150Hz, 5kHz 150Hz Adjustable with Optional Electronic Crossover Control
Dispersion (20kHz) -2dB @ 60°
Recommended Amplifier Power 100-300W
Finish Oak
MSRP $4,500
Connector: Binding Post (Universal)
Parameter: Tweeter Level
Control Type: Rotary Switch
Range: 3 Steps
Parameter: Midrange Level
Control Type: Rotary Pot
Parameter: Crossover Point
Control Type: Toggle Switch
Parameter: Bass Cut
Control Type: Toggle Switch


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