JBL LE5-2 Midrange
1970-1975
The LE5-2 was the original 5" midrange driver used in the legendary L100 Century. With its Alnico V magnet and carefully treated paper cone, it provided the smooth, natural midrange that helped make the L100 a classic.
Specifications
| Nominal Diameter | 5" (13cm) |
|---|---|
| Magnet Type | Alnico V |
| Voice Coil | 1" (25mm) edgewound aluminum |
| Cone Material | Treated paper |
| Enclosure | Sealed back (isolated chamber) |
| Impedance | 8 Ω |
| Frequency Response | 2.5 kHz - 7.5 kHz (in L100) |
Key Features
- Alnico V Magnet: Premium magnet for consistent flux and transient response
- Edgewound Voice Coil: Aluminum ribbon voice coil for fast response
- Sealed Back Design: Isolated rear chamber prevents interference from woofer
- Paper Cone: Natural, uncolored midrange reproduction
Applications
- L100 Century (1970-1978)
Historical Context
The LE5-2 was designed specifically for the 3-way configuration of the L100. Operating between 2.5 kHz and 7.5 kHz, it covered the critical midrange frequencies where human hearing is most sensitive. The sealed back design was crucial in the L100's bass-reflex cabinet, preventing the rear wave of the woofer from interfering with the midrange cone.
Related Drivers
- LE5-8 - Improved version with enhanced cone
- LE5-10 - Ferrite magnet successor
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Documentation
- Lansing Heritage - Comprehensive JBL specifications, photos, and historical documents
- HiFi Engine - JBL manuals, service documents, and brochures
- Audio Karma JBL Forum - Community discussions and restoration guides
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