ESC
1231 (Rev. 2)

1231 (Rev. 2)

BrandAltec
ManufacturerAltec Corporation
FunctionSpeaker
Produced1983
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-15kHz
TrebleSectoral Horn (Altec 32C, Altec 908-8B)
Midrange/Bass12" Paper Cone (Altec 917-8A)
Sensitivity100dB/W/m
Impedance (Nominal)8Ω
Crossover Frequency2kHz
Crossover Slope12dB/Oct (Second Order)
Dispersion (Horizontal)90°
Dispersion (Vertical)40°
Power Handling (Nominal)100W
Enclosure TypeBass Reflex
FinishBlack Leather-Grained Vinyl
Connections
  • Input · 1/4" Phone Jack (6.35mm)
NotesUpdated drivers