JBL 2213H Woofer
1978-1983
Born in JBL’s golden era of studio monitor design, the 2213H was a no-compromise 12" professional woofer that brought the punch and precision of high-end broadcast and mastering environments into critical listening systems. With its Lancer Plus-coated cone and SFG magnetic circuit, this driver powered the legendary 4311B—and stood as the rugged, industrial sibling to the consumer-focused 128H.
Specifications
| Nominal Diameter | 12" (30cm) |
|---|---|
| Magnet Type | Ferrite (Ceramic) |
| Magnetic Circuit | SFG (Symmetrical Field Geometry) |
| Cone Treatment | Lancer Plus coating |
| Impedance | 8 Ω |
| Power Handling | 100W continuous |
Key Technologies
- Lancer Plus Coating: A signature JBL innovation, this proprietary treatment stiffened the cone without adding mass—delivering tight, articulate bass with minimal breakup
- SFG Magnetic Circuit: Engineered for symmetrical flux distribution, SFG drastically reduced harmonic distortion, especially at high excursions
- Professional Grade: Built like a tank for studio monitor duty, with materials and tolerances meant to withstand daily abuse in broadcast and recording environments
Applications
- 4311B Studio Monitor
- Professional monitoring systems
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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- Lansing Heritage - Comprehensive JBL specifications, photos, and historical documents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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