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2-way passive loudspeaker · Bi-wired

The SN/SL 510 has been manufactured between 2011 and 2021.


Frequency response (+/- 3 dB)48 - 22.000 Hz
Impedance4 ohms
Sensitivity90,5 dB (1 W / 1 m)
Max. acoustic pressure111 dB
Frequency dividing network1st and 3rd order phase and impedance corrected filter
Function principlebass reflex
Bass and mid-range systemtwo magnesium cones 170 mm with copper phase plug
Treble-systemone dome tweeter Esotar 28 mm
Connecting terminalBi-wiring, with pure silver bridges, 63 A connecting terminals, rhodium plated
Cabinet material20 / 23 mm thick low-resonance natural slate
Bottom plate16 mm POM-plate with spike and LS-stand receiving device
Measures bottom plate185 x 275 mm
Dimensions cabinet (H x W x D)636 x 210 x 300 mm
All over depth, incl. terminal353 mm
Weight44 kg

Data sheet
Low-resonance natural slate cabinet
SN - natural surface
SL - polished and lacquered in all RAL and available car colours
12 / 23 mm thick low-resonance natural slate;
bottom plate: 40 mm natural slate, height adjustable (360 mm x 270 mm);
weight: 39 kg;
height incl. bottom plate: 610 mm