ESC

S-11L Ultra-Linear 15

BrandUniversity
ManufacturerUniversity Loudspeakers Incorporated
SeriesDecor-Coustic
FunctionSpeaker
Produced1957
CountryUnited States
Form FactorFloorstanding / Stand Mounted
Signal PathPassive Hardware
Dimensions68.3 × 49.5 × 44.5 cm (W × H × D); 68.3 × 54.6 × 44.5 cm (W × H × D)
Weight87lbs (Shipped)
TrebleReciprocating-Flare Horn (University UL/HC)
Midrange8" Paper Cone (University Diffusicone-8)
Bass15" Paper Cone (University C-15HC)
Impedance (Nominal)8Ω
Recommended Amplifier Power20-60W
Crossover Frequencies200Hz, 5kHz (University HC-3)
Power Handling60W
Enclosure TypeBass Reflex
Enclosure Construction0.75" Birch Plywood
FinishMahogany, Blond, Walnut
MSRP (1957, Mahogany)$245
MSRP (1957, Blond)$249
MSRP (1957, Walnut)$253
NotesLowboy variant of Ultra-Linear 15