CORAL 8L-1

Commentary

A 20 cm cone type woofer unit from the L series of Coral.

Alnico magnet is used for the magnetic circuit.

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

Model Rating

Method	20 cm cone type woofer unit
Playback frequency band	Fo ~ 5 kHz
fo	58Hz
Sound pressure level	105dB
Input	10W
Impedance	8 Ω, 16 Ω 200 Ω, 400 Ω (High Impedance Type)
Effective mass of vibration system	6.5g
Qo	0.4(58Hz)
Total flux	82,000maxwell
Weight	1.6kg