Audio Database

515B
Commentary

The most powerful 38 cm cone shaped woofer in the lineup of Altech's woofer at that time.

The structure of the magnetic circuit is designed for the horn load. It can be installed especially in the front load type 825B (A7) cabinet to enable large-scale and deep bass reproduction.

Model Rating
Type 38 cm cone woofer unit
Frequency characteristic 20 Hz to 1 kHz
Lowest resonance frequency 25Hz
Impedance 16 Ω
Rated input 35W
Allowable input 50W
Output sound pressure level 105dB/W/m
Magnetic flux density 14,750gauss
Recommended crossover frequency 500Hz
External dimensions Diameter 389x Depth 197 mm
Weight 11.8kg