JBL Midrange Drivers

JBL's midrange drivers, particularly the LE5 series, are renowned for their clarity and seamless integration with JBL woofers and tweeters. The 5" cone midrange became a signature element of the L-series 3-way designs.

LE5 Series Midranges

1970-1975

LE5-2

The original 5" midrange from the L100 Century. Alnico magnet, paper cone.

1975-1980

LE5-8

Improved version used in the L166 Horizon with enhanced cone treatment.

1978-1982

LE5-10

Ferrite magnet version for the ceramic-era speakers like L96 and L150.

1980-1983

LE5-12

Final evolution with hard cone paper, used in the L112.

Key Technologies

Feature	Description	Benefit
Cone Material	Treated paper with progressive coating	Optimal stiffness-to-mass ratio
Voice Coil	1" (25mm) edgewound aluminum	Fast transient response
Sealed Back	Enclosed rear chamber	Prevents interference from woofer
Magnet Evolution	Alnico → Ferrite	Cost stability, consistent performance