ESC
Quantum Jr.

Quantum Jr.

BrandInfinity
FunctionSpeaker
Produced1977 to 1982
CountryUnited States
Model IDQJr.
Form FactorBookshelf / Stand Mounted
Signal PathPassive Hardware
Dimensions36.8 × 63.5 × 30.5 cm (W × H × D)
Weight50lbs
Frequency Response40Hz-32kHz ±3dB
Tweeter (Front)EMIT* (PN 902-0221)
Midrange1½" Dome (PN 902-0206)
Woofer12" Q-Woofer (PN 902-1187)
Crossover Points600Hz, 4kHz (1st Order)
Horizontal Dispersion-2dB @ 60°, 20kHz
Impedance4Ω
Recommended Amplifier Power25W-200WRMS
MSRP$778/pr
Connections
  • Input · Binding Post (Universal)
Controls
  • Tweeter Level · Rotary Pot
  • Midrange Level · Rotary Pot
Notes*EMIT (ElectroMagnetic Induction Tweeter) Veneer: Walnut only