JBL
JBL
Professional 4181
Single 460 mm (18")Cinema Subwoofer System
- Product code
- 4181
- Category
- Audio
- Weight
- 44 kg
Specifications
- Rated Impedance
- 8 ohms
- Minimum Impedance
- 5.6 ohms
- Power Handling Capability
- Continuos Pink Noise: 500 W Continuous Program: 1000 W Peak Power: 2000 W
- Axial Sensitivity
- 50 Hz to 500 Hz; 101 dB, 1W @ 1m 40 Hz to 100 Hz; 99 dB, 1W @ 1m
- Half-Space Reference Efficiency
- Single Module: 5%; Two Modules: 10%; Three Modules: 15%; Four Modules: 20%
- Max. Continuous Acoustical Power Output
- Single Module: 25 W; Two Modules: 100 W; Three Modules: 225 W; Four Modules: 400 W
- Maximum Continuous SPL @ 1 meter
- Single Module: 126 dB; Two Modules: 132 dB; Three Modules: 136 dB; Four Modules: 138 dB
- Maximum Peak SPL @ 1 meter
- Single Module: 132 dB; Two Modules: 138 dB; Three Modules: 142 dB; Four Modules: 144 dB
- Frequency Response
- Lower Frequency Limits (no EQ): -10 dB: 28 Hz; -3 dB: 40 Hz Lower Frequency Limits (with EQ): -10 dB: 26 Hz; -3 dB: 34 Hz
- Recommended Crossover Frequencies
- High-pass: 20 Hz, 24 dB/octave or greater Low-pass: 80 Hz to 150 Hz, 12 dB/octave or greater
- Distortion
- 2nd harmonic: < 3% 3rd harmonic: < 2%
- System Polarity
- EIA Standard. Positive voltage to RED terminal produces forward cone motion.
- Input Connectors
- Color-coded binding posts
- Nominal Diameter
- 460 mm (18 in)
- Materials and Finish
- 15mm MDF. Extensive bracing on all panels. Vinyl laminated.
- Enclosure Tuning Frequency
- 30 Hz
- Net Internal Volume
- 255 liters (9 cu. ft)
- Dimensions (H x W x D)
- 1100 mm x 640 mm x 450 mm (43.3 in x 25.2 in x 17.75 in)
- Net Weight
- 44 kg (96 lbs.)
- Shipping Weight (ea)
- 50 kg (109 lbs.)
