Infinity

Quantum 2 (Rev. 2)

Speaker

Main Details
Maker Infinity Brand
Function
Additional Model ID QLS-2
Form Factor Floorstanding
Signal Path Passive Hardware
Made In United States
Date Produced 1977-1982
Dimensions
(H × W × D)
Weight 138lbs
Frequency Response 24Hz-32kHz ±3dB
Notes *EMIT (ElectroMagnetic Induction Tweeter)

Rear EMIT of early Quantum 2 units no longer present. MDF spacer ring on woofer much thinner.

Veneer: Walnut only
Additional Specifications
Tweeter (Front) 3x EMIT* PN# 902-2252
Midrange 2x 1½" Dome PN# 902-0206
Midbass Coupler 4" Philips AD 5060/W8 PN# 902-0151
Woofer 12" Infinity/Watkins Dual-Drive PN# 902-1180
Crossover Points 200Hz, 600Hz, 4kHz 1st Order
Horizontal Dispersion -2dB @ 60°, 20kHz
Impedance
Recommended Amplifier Power 100W-500+WRMS
MSRP $1500/pr
Connections
Input
Connector: Binding Post (Universal)
Controls
Parameter: Tweeter Level
Control Type: Rotary Pot
Parameter: Tweeter Crossover Frequency
Parameter: Midrange Level
Control Type: Rotary Pot
Parameter: Midbass Coupler Level
Control Type: Rotary Pot

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