ESC
1231

1231

BrandAltec
ManufacturerAltec Corporation
FunctionSpeaker
Produced1977
CountryUnited States
Form FactorFloorstanding / Stand Mounted
Signal PathPassive Hardware
Dimensions71.1 × 57.2 × 57.8 cm (W × H × D)
Weight64lbs (Net), 70lbs (Shipped)
Frequency Response70Hz-20kHz
TrebleSectoral Horn (Altec 32C, Altec 808-8B)
Midrange/Bass12" Paper Cone (Altec 417-8H Series II)
Sensitivity (500Hz-3kHz)97dB/W/4'
Sensitivity (EIA)50dB
Impedance (Nominal)8Ω
Crossover Frequency2kHz (Altec N1231)
Crossover Slope12dB/Oct (Second Order)
Maximum Output114dB
Power Handling (Nominal)50W
Power Handling (Program)120W
Enclosure TypeBass Reflex
Enclosure Construction0.75" Plywood
FinishBlack Leather-Grained Vinyl
Connections
  • Input · 1/4" Phone Jack (6.35mm)