ESC
XIb

XIb

BrandRectilinear
ManufacturerRectilinear Research Corporation
FunctionSpeaker
Produced197?
CountryUnited States
Form FactorBookshelf / Stand Mounted
Signal PathPassive Hardware
Dimensions30.5 × 58.4 × 25.4 cm (W × H × D)
Weight32lbs
Frequency Response45Hz-18.5kHz ±2dB
Treble3.5" Paper Cone (Part #T-II, Voice Coil: 0.56", 3oz Ferrite Magnet)
Midrange/Bass10" Paper Cone (Part #W-11, Voice Coil: 1.5")
Impedance (Nominal)8Ω
Impedance (Minimum)6.5Ω
Impedance (Maximum)29.4Ω (At 65Hz)
Crossover Frequency2kHz
Crossover Slope6dB/Oct Electrical, 18dB/Oct Acoustic (First Order, Third Order)
Minimum Recommended Power (RMS)10W
Power Handling (RMS)50W
Enclosure TypeBass Reflex
Enclosure Construction0.75" Particleboard
FinishVinyl Walnut
Connections
  • Input · Binding Post (Universal)
Controls
  • Tweeter Level · Rotary Pot