ESC
604B

604B

BrandAltec, Altec Lansing
ManufacturerAltec Lansing Corporation
SeriesDuplex
FunctionSpeaker
Produced1947
CountryUnited States
Form FactorPart
Signal PathPassive Hardware
Dimensions38.6 × 38.6 × 28.2 cm (W × H × D)
Weight40lbs
Frequency Response30Hz-16kHz
Treble2x3 Multicellular Coaxial Horn (Diaphragm P/N: 20502)
Midrange/Bass15" Paper Cone (Diaphragm P/N: 20593)
Impedance (Nominal)16Ω
Crossover Frequency1kHz (Altec N-1000-B)
Dispersion (Horizontal)60°
Dispersion (Vertical)40°
Compression Diaphragm MaterialAluminum
Resonant Frequency (Fs, Woofer)38Hz
Voice Coil Diameter (Woofer)3"
Voice Coil Wire MaterialAluminum
Voice Coil Wire GeometryRectangular
Magnet MaterialAlNiCo
Power Handling30W
MSRP (1947)$157.50