Infinity

Reference Standard IB

Speaker

Main Details
Maker Infinity Brand Arnie Nudell Designer
Function
Additional Model ID RS-Ib
Form Factor Floorstanding
Signal Path Analog Hardware
Made In United States
Date Produced 1984-1985
Dimensions Midrange/Tweeter Panels: 60"x24"x12" Bass Columns: 60"x12"x12" (HxWxD)
Weight 400lbs
Frequency Response 25Hz-32kHz ±2dB
Notes *EMIT (ElectroMagnetic Induction Tweeter)

Requires Reference Standard Crossover

Ultra high frequency EMIT notable for the bottom two openings being covered and using a different diaphragm (PN 751-2894) from the other three standard EMITs (PN 751-3733).
Additional Specifications
Supertweeter EMIT* PN 902-5002
Tweeter (Front) EMIT* (x2) PN 902-5086
Tweeter (Rear) EMIT* PN 902-5086
Midrange EMIM Rev. B PN 902-0012B
Midbass EMIM Rev. B (x6) PN 902-0012B
Woofer 8" Polypropylene Cone (x6) PN 902-5009
Impedance 4Ω
Recommended Amplifier Power (Midrange/Treble) 75W
Recommended Amplifier Power (Bass) 150W
Crossover Points 140Hz, 700Hz, 3kHz, 8kHz 1st Order
Horizontal Dispersion ±2dB in 180°
Finish Oak Optional: High Gloss Black
Connections
Input
Connector: Binding Post (Universal)
Controls
Parameter: Ultra HF Level
Control Type: Rotary Pot
Parameter: HF Level
Control Type: Rotary Pot

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