ESC
AMT 1a Bookshelf

AMT 1a Bookshelf

BrandESS
FunctionSpeaker
CountryUnited States
Form FactorBookshelf / Stand Mounted
Signal PathPassive Hardware
Dimensions35.6 × 61 × 35.6 cm (W × H × D)
Weight60lbs
Frequency Response50Hz-20kHz ±3dB
TrebleHeil Air-Motion Transformer (Rotatable, Radiating Area: 29in², Transformation Ratio: 5:1)
Bass12" Paper Cone (Voice Coil: 2")
Sensitivity (1W, 4m)82dB (88dB/W/m (Adjusted))
Impedance4Ω
Crossover Frequency850hz
Dispersion (Horizontal)120°
Dispersion (Vertical)30°
Power Capacity (Continuous)75W
Power Capacity (Peak)350W
Enclosure TypeBass Reflex
FinishWalnut
Connections
  • Input · Binding Post
Controls
  • Midrange/High Frequency Attenuation (>1kHz) · Rotary Pot
  • AMT Protect Circuit Breaker · Latching Push Switch