JBL 2245H Woofer
When you need to move serious air with deep, unshakable bass, the JBL 2245H stands ready. This 18-inch powerhouse isn’t just another woofer—it’s a precision-engineered subwoofer driver built for installations where low-frequency authority can’t be compromised. From cinema bass that rattles your ribs to concert-level sound reinforcement, the 2245H delivers with brute force and remarkable control.
Specifications
| Type | 18" (460mm) Cone Subwoofer |
|---|---|
| Voice Coil Diameter | 4 inches (100mm) |
| Magnet | Ferrite (SFG - Symmetrical Field Geometry) |
| Nominal Impedance | 8 Ω |
| Power Handling | 400W continuous |
| Frequency Response | 18 Hz - 1.5 kHz |
| Sensitivity | 94 dB/W/m |
| Resonant Frequency (Fs) | ~18 Hz |
Design Features
- 18-inch Diameter: A cavernous cone area ensures massive air displacement—essential for deep, impactful bass
- SFG Magnetic Circuit: JBL’s Symmetrical Field Geometry minimizes distortion and keeps the voice coil centered, even at extreme excursions
- Long Excursion: Engineered for extended Xmax, this driver plunges deep without losing control
- 4-inch Voice Coil: One of the largest in its class, delivering exceptional thermal handling and dynamic headroom
- Subwoofer Optimized: Tuned from the ground up for 18–80 Hz operation, it’s not a repurposed woofer—it’s a dedicated sub
Applications
- High-output subwoofer systems
- Commercial cinema sound installations
- Large-venue PA and touring rigs
- Discerning home theater enthusiasts chasing reference-level bass
Enclosure Design
JBL’s official enclosure recommendations ensure you get the most from the 2245H’s capabilities. Whether going solo or doubling up, these designs maximize output and extension.
Single Driver Configuration
| Application | Subwoofer |
|---|---|
| Chart Reference | #11 |
| Enclosure Volume | 10.0 cubic feet (283 liters) |
| Tuned Frequency | 30 Hz |
| Internal Dimensions | 32.0" H x 26.1" W x 22.6" D |
| Vent Area | 75.4 sq in (6x 4" ducts) |
| Duct Length | 15.2 inches |
Dual Driver Configuration
| Application | Subwoofer |
|---|---|
| Chart Reference | #12 |
| Enclosure Volume | 20.0 cubic feet (566 liters) |
| Tuned Frequency | 30 Hz |
| Internal Dimensions | 40.2" H x 32.8" W x 28.4" D |
| Vent Area | 150.8 sq in (3x 8" ducts) |
| Duct Length | 12.5 inches |
View the complete JBL Professional Enclosure Guide →
Related Drivers
- JBL 2241H - 18" professional subwoofer
- JBL 2242H - 18" high-power subwoofer
- JBL 2235H - 15" woofer for comparison
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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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