ESC
615B

615B

BrandAltec, Altec Lansing
ManufacturerAltec Lansing Corporation
SeriesDuplex
FunctionSpeaker
Produced197?
CountryUnited States
Form FactorPart
Signal PathPassive Hardware
Dimensions38.9 × 38.9 × 25.4 cm (W × H × D)
Weight28lbs (With Crossover)
Frequency Response20Hz-22kHz
TrebleConical Horn (Cycolac Horn with Para-Toner Defraction Diffuser)
Midrange/Bass15" Paper Cone
Sensitivity97dB/W/4'
Sensitivity112.4dB/35W/4'
Sensitivity (EIA)50dB
Impedance (Nominal)16Ω
Crossover Frequency1.55kHz
Dispersion (Horizontal)90°
Dispersion (Vertical)90°
Compression Diaphragm MaterialAluminum
Resonant Frequency (Fs, Woofer)25Hz
Voice Coil Diameter (Treble)1.75"
Voice Coil Diameter (Woofer)3"
Voice Coil Wire Material (Treble)Aluminum
Voice Coil Wire Material (Woofer)Copper
Voice Coil Wire GeometryRectangular
Magnet MaterialAlNiCo V
Magnet Weight (Treble)0.531lbs
Magnet Weight (Woofer)2.25lbs
Flux (Treble)11,000 Gauss
Flux (Woofer)14,000 Gauss
Power Handling (Nominal)35W
Power Handling (Peak)50W
FinishGrey