Audio Database

15L-1
Commentary

38 cm cone type woofer unit which became a best seller of the L series.

Alnico magnet is used for the magnetic circuit.

Around 1965, 16 Ω model and 200 Ω / 400 Ω high-impedance model were sold.
It seems that only the 8 Ω model was sold around 1970 which is the latter period.

Model Rating
Method 38 cm cone woofer unit
Playback frequency band Fo ~ 1.5 kHz
fo 30Hz
Sound pressure level 106dB
Input 35W
Impedance 8 Ω (Later Stage)
16 Ω (Initial)
200 Ω, 400 Ω (High Impedance Type)
Qo 0.38
Total flux 435,000maxwell
Weight 13.5kg