Infinity

Infinity Reference Standard

Speaker

Main Details
Maker Infinity Brand Arnie Nudell Designer
Function
Additional Model ID IRS
Form Factor Floorstanding
Signal Path Analog Hardware
Made In United States
Date Produced 1980-1981
Dimensions Midrange/Tweeter Panels: 90"x40"x??" Bass Columns: 90"x18"x18" (HxWxD)
Weight 1500lbs
Frequency Response 16Hz-32kHz ±2dB
Notes *EMIT (ElectroMagnetic Induction Tweeter)
**EMIM (ElectroMagnetic Induction Midrange)

Requires Reference Standard Crossover
Additional Specifications
Tweeter (Front) EMIT* (x24) PN 902-5086
Tweeter (Rear) EMIT*(x12) PN 902-5086
Midrange EMIM** (x12) PN 902-0012
Woofer 12" Polypropylene Cone (x6)
Impedance 4Ω
Recommended Amplifier Power (Midrange/Treble) 100-500W
Bass Amplification 1.5kW 20dB Servo-Feedback
Crossover Points 70Hz (Variable), 5kHz Bass-Midrange: 60Hz-120Hz Adjustable
Horizontal Dispersion ±2dB in 180°
MSRP (1980) $20,000
Connections
Input Binding Post (Universal)
Controls
Tweeter Level Rotary Pot
Bass Low Pass Rotary Pot
Low Pass Variable Damping Rotary Pot
Woofer Level Rotary Pot
Input Impedance Rotary Switch
Woofer Phase Toggle Switch
Servo Bass Toggle Switch

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