Thorens Sound Wall HP 381 from Gerätewerk Lahr. The largest loudspeaker of the "Soundwall" series by Thorens at the end of the 1970s.
Open baffle according to the principle of the acoustic dipole (three-way), fifteen 160mm woofers, 80mm cone midrange driver, 25mm dome tweeter with soft diaphragm.
a956e985535b8d57732d14dfa0e4c71ating power (91dB 1m) 0.6W
Fabric-covered, removable front panel
Screw connections for bare cable ends and Kabelschuhe