JBL 2395 Bi-Radial Horn
The JBL 2395 is a large-format slant-plate acoustic lens. It is 914mm (36 inch) wide and covers 140° horizontal x 45° vertical, which is very wide. It pairs a 300mm elliptical exponential horn with an extended slant-plate lens and is meant for professional installations that need broad horizontal dispersion above 800 Hz.
Specifications
| Type | Slant-Plate Acoustic Lens with Elliptical Exponential Horn |
|---|---|
| Coverage Pattern | 140° horizontal x 45° vertical |
| Frequency Range | Above 800 Hz (down to 500 Hz with vertical baffle) |
| Sensitivity | 108 dB (1W/1m, 4V into 16Ω, warbled 0.8-2.5 kHz) |
| Throat Diameter | 50 mm (2 inch) - accepts 2" drivers natively |
| Adapter Available | Model 2327 throat adapter for 25mm (1") drivers |
| Nominal Q | 3.6 (2 kHz octave band) |
| Horn | 300 mm (12") elliptical exponential |
| Height | 381 mm (15 in) |
| Width | 914 mm (36 in) |
| Depth | 476 mm (18¾ in) |
| Weight | 16.8 kg (37 lb) |
Design Overview
The 2395 is the widest expression of JBL's slant-plate lens design. It was built for applications that need very wide horizontal coverage:
- Extended Lens: 914mm (36") wide slant-plate lens creates 140° horizontal dispersion
- Elliptical Horn: 300mm (12") elliptical exponential horn controls 45° vertical pattern
- No Additional Baffle Required: Does not require baffling for use above 800 Hz
- Plate End Clearance: Lens plate ends must not be obstructed for proper high-frequency operation
Low Frequency Operation
The 2395 is rated for use above 800 Hz. It can run down to 500 Hz in:
- Motion picture sound systems
- Applications where vertical pattern control is not essential
- Systems with proper vertical plane baffling
Compatible Drivers
The 2395 has a 50mm (2 inch) throat entry:
- Native 2" drivers: JBL 2420, 2421, 2441 series compression drivers
- With Adapter: JBL LE85, 2425 and other 1" drivers using Model 2327 throat adapter
Applications
The 2395's extremely wide 140° horizontal pattern makes it ideal for:
- Cinema sound systems requiring broad audience coverage
- Large venue sound reinforcement
- Theater and auditorium installations
- Applications with wide seating areas
- Professional monitoring in large control rooms
Physical Considerations
The 2395 is a substantial horn assembly:
- Width: Nearly a meter (36") wide - requires significant baffle or cabinet space
- Weight: 16.8 kg (37 lb) - requires robust mounting hardware
- Depth: 476mm (18¾") - substantial cabinet depth required
- Clearance: Lens plate ends must remain unobstructed
Comparison to Other JBL Horns
| Model | Horizontal | Vertical | Primary Application |
|---|---|---|---|
| 2301 | 90° (conical) | 90° (conical) | Short-throw, compact |
| 2390 | 100° | 45° | Professional, cinema |
| 2391/2392 | 80° | 45° | Studio monitoring |
| 2395 | 140° | 45° | Wide coverage, cinema |
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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