ESC
704-8A

704-8A

BrandIconic, Altec, Altec Lansing
ManufacturerIconic Manufacturing Company, LLC.
SeriesDuplex
FunctionSpeaker
Produced2001-2005
CountryUnited States
Form FactorPart
Signal PathPassive Hardware
Dimensions40.6 × 40.6 × 22.2 cm (W × H × D)
Weight34lbs
Frequency Response30Hz-20kHz (-10dB)
TrebleConstant Directivity Coaxial Horn
Midrange/Bass16" Paper Cone
Sensitivity (500Hz-3kHz)99dB/W/m
Impedance (Nominal)8Ω
Crossover Frequency1.5kHz
Crossover SlopeLow Pass: 12dB/Oct, High Pass: 18dB/Oct (Second Order, Third Order)
Dispersion (Horizontal)60°
Dispersion (Vertical)40°
DC Resistance (Re)6.8Ω
Resonant Frequency (Fs, Woofer)30.9Hz
Qts0.261
Qes0.27
Qms8.49
Volume Displacement (Vd)314.6cm³ (19.2in³)
Equivalent Volume Compliance (Vas)16.35ft³
Reference Efficiency (ηo)4.87%
Maximum Linear Excursion (Xmax)0.2"
Compression Diaphragm MaterialAluminum
Voice Coil Diameter (Treble)1.75"
Voice Coil Diameter (Woofer)3"
Magnet MaterialFerrite
Power Handling (AES)140W
FinishDark Gray