ESC
SD-503

SD-503

BrandScan-Dyna
FunctionSpeaker
Produced1977
CountryDenmark
Form FactorBookshelf / Stand Mounted
Signal PathPassive Hardware
Dimensions32 × 57 × 25 cm (W × H × D)
Weight10kg
Frequency Response30Hz-20kHz +4/-8dB
Treble1" Dome
Midrange4" Paper Cone
Bass10" Paper Cone
Sensitivity (96dB/1m)5W
Impedance (Nominal)4Ω
Crossover Frequencies800Hz, 5kHz
Power Handling50W
Power Handling (Peak)70W
Enclosure TypeBass Reflex
Enclosure Volume30l
MSRP (1977)795 kr