ESC
L100A Century

L100A Century

ManufacturerJBL
FunctionSpeaker
Produced1973-197?
CountryUSA
Form FactorFloorstanding
Signal PathAnalog Hardware
Dimensions36.2 × 59.7 × 34.5 cm (W × H × D)
Weight55lbs (Shipped)
Treble1.4" Paper Cone (Part #LE25)
Midrange5" Paper Cone (Part #LE5-2)
Bass12" Aquaplas Coated Paper Cone (Part #123A-1)
Impedance (Nominal)8Ω
Efficiency78dB/W/15'
Sensitivity (EIA, 1kHz)46dB
Sensitivity (1kHz)95dB/W/m
Sensitivity (EIA, 100-800Hz Warble)42dB
Sensitivity (100-800Hz)91dB/W/m
Crossover Frequencies1.5kHz, 6kHz (Part #N100)
Power Handling (Continuous Program)50W
Enclosure TypeBass Reflex
Enclosure ConstructionParticleboard
FinishWalnut
MSRP (1974)$297/ea
Connections
  • Input · Spring Terminal
Controls
  • Brilliance (Treble) · Rotary Pot · -3dB-+3dB
  • Presence (Midrange) · Rotary Pot · -3dB-+3dB
NotesHome version of 4311 Control Monitor. "A" identifier provided as suffix to serial number. Polarity is reversed to original, non-"A" L100 Century. Starting at Serial #47100.