ESC
DD Tower (Rev. 2)

DD Tower (Rev. 2)

BrandSEAS
ManufacturerSEAS Fabrikker A/S
FunctionSpeaker (Kit)
Produced1979
CountryNorway
Model IDDynamic Damping Tower
Form FactorFloorstanding
Signal PathPassive Hardware
Dimensions45.1 × 119.5 × 35 cm (W × H × D)
Weight32kg
Frequency Response28Hz-25kHz
Treble25mm Dome
Midrange11cm Cone
Midbass21cm Cone
Bass33cm Cone
Sensitivity90dB/W/m
Sensitivity84dB/1V/m
Operating Power (96dB, DIN)4W
Impedance (Nominal)8Ω
Crossover Frequencies180Hz, 600Hz, 4kHz
Crossover Slope6dB/Oct (First Order)
THD (4W, 25Hz-100Hz)1%
THD (4W, 100Hz-1kHz)0.2%
THD (4W, 1kHz-5kHz)0.3%
THD (4W, 5kHz-25kHz)0.6%
Phase Angle (Impedance, 100Hz-10kHz)±25°
Phase Angle (Impedance, 20Hz-25kHz)±45°
Maximum Acoustic Output115dBp
Recommended Amplifier Powr30-200W
Power Handling (Midrange/Treble)120W
Power Handling (Bass)200W
Enclosure TypeBass Reflex
Enclosure Volume (Midrange/Treble)25l
Enclosure Volume (Bass)60l
MSRP (1979)7400kr
NotesCrossover Changes