Frank C18 Subwoofer

• Next-generation PFC (Power Factor Correction) power supply with universal wide voltage adaptability (100V–264V)
• Comprehensive protection: thermal protection, short-circuit protection, output overload protection, ultrasonic frequency protection
• Operating voltage: AC 100–240V ±10%, 50–60Hz

• Enclosure material: 18mm BB plywood
• Finish: Black textured wear-resistant coating
• Weight: 47 kg
• Dimensions (H × W × D): 690 × 530 × 600 mm

TRANSDUCERS

• System type: 18” active subwoofer

PERFORMANCE

• Subwoofer frequency response: 37Hz–350Hz ±3dB
• Maximum SPL: 134dB
• Output power: 1200W + 600W
• Power amplifier module connection: NL4 Speakon x1 600W
• Optional DSP board and heat dissipation module
• 1 input and 2 outputs DSP 24bit@48kHz
• Rated power: 600W + 1200W / 8Ω
• Rated power: 600W + 1200W / 8Ω
• Gain: 35dB
• Input sensitivity: 1.2V / +4dBu
• Frequency response: 20Hz–20kHz (±0.5dB) @1W, 8Ω
• Signal-to-noise ratio: >115dB (20Hz–20kHz, A-weighted)
• Channel separation: -71dB @1kHz
• THD+N: <0.09% from 0.1W to half power (typically <0.05%)
• DIM100: <0.09% from 0.1W to half power (typically <0.07%)
• Input impedance: 10kΩ balanced
• Slew rate: 50V/μs @8Ω, input filter bypassed
• Damping factor: >500 @100Hz