CORAL 12L-2

Commentary

A 30 cm corn type woofer unit corresponding to 12L-1 affiliated goods.

Fo is slightly higher than 12L-1, but it realizes flat characteristics overall.

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	30 cm cone type woofer unit
Playback frequency band	Fo ~ 4 kHz
fo	45Hz
Sound pressure level	104dB
Input	20W
Impedance	8 Ω (Late Stage), 16 Ω (Early Stage) 200 Ω, 400 Ω (High Impedance Type)
Effective mass of vibration system	31g
Qo	0.43
Total flux	200,000maxwell
Weight	6.0kg