Dayton Audio CX120-8
4" (10cm) coaxial loudspeaker
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Description
Discover the Dayton Audio CX120-8, a full-range 4-inch (10cm) coaxial speaker characterized by accurate bass and extended high-frequency response. The CX120-8 features a coaxially mounted 3/4-inch silk dome tweeter and an open cast frame for improved airflow and minimal power compression. With its 4-inch poly cone woofer and rubber half surround, the speaker offers high power handling and smooth frequency response. Optimized with a rubber surround for reduced midrange breakup, the CX120-8 delivers a clear and natural sound.
Highlights
- Full-range speaker with precise bass and extended treble range
- Coaxially mounted 3/4" silk dome tweeter
- Open cast frame for improved airflow and minimized power compression
- 4" domed poly cone woofer with rubber half surround
Features of the 4" woofer
- 1" voice coil, wound on an aluminum carrier for high load capacity
- The curved, linear molded poly cone provides a good balance between stiffness, low mass and damping, resulting in a natural sounding driver with a smooth frequency response
- Optimized rubber surround for reduced break-up in the mid-range
- Attractive, rigid, open cast frame to minimize reflections and resonances and improve airflow
- High-energy ceramic magnet for greater cone control and improved efficiency
- Power handling: 40 watts RMS/80 watts max
- VCdia: 1"
- Le: 0.62 mH
- Impedance: 8 Ohm
- Re: 6.2 Ohm
- Frequency response: 90-5,500 Hz
- Fs: 87.5 Hz
- SPL: 88.5 dB 2.83V/1m
- Vas: 0.10 cu. ft. (2.99 liters)
- Qms: 2.89
- Qes: 0.57
- Qts: 0.48
- Xmax: 3.0 mm
- Dimensions:
- Overall diameter: 4-3/4"
- Cut-out diameter: 3-7/8"
- Depth: 2"
3/4" tweeter
- Silk dome tweeter ensures richness of detail and clarity of the high frequencies
- Mounted coaxially on the pole piece of the woofer cone
- Optimized placement and trimmed flanging to reduce phase problems in interaction with the woofer
- Strong neodymium magnet
- Trimmed flared throat to minimize phase issues causing suck-out with woofer
- High-pass filter required (not included in the scope of delivery)
- Power handling: 20 watts RMS/40 watts max
- VCdia: 3/4"
- Le: 0.04 mH @ 10 kHz
- Impedance: 8 Ohm
- Re: 5.6 Ohm
- Frequency response: 4,500-20,000 Hz
- Fs: 2745 Hz
- SPL: 89.2 dB 2.83V/1m
- Qms: 2.20
- Qes: 7.91
- Qts: 1.72
Specifications
- Power handling RMS 40 Watt
- Max. load capacity 80 watts
- Impedance (Z) 8 Ohm
- Sensitivity 88.5 dB 2.83V/1m
- Frequency response 90 to 20,000 Hz
- Voice coil diameter 1"
- Direct current resistance (Re) 6.22 Ohm
- Voice coil induction (Le) 0.63 mH
- Resonant frequency (Fs) 87.5 Hz
- Mechanical quality (Qms) 2.89
- Electrical quality (Qes) 0.57
- Overall quality (Qts) 0.48
- Moving mass (Mms) 4.82g
- Compliance of the suspension (Cms) 0.765 mm/N
- Diaphragm area (Sd) 52.51 cm²
- Force factor (BL) 5.08 Tm
- Equivalent volume (Vas) 3.0 liter
- Maximum deflection (Xmax) 3.0 mm
- Membrane material Polypropylene
- Bead material rubber
- Voice coil wire material CCA
- Voice coil forming material Aluminum
- Basket / frame material Cast Aluminum
- Magnet material ferrite
Dimensions & housing
- Outer diameter 12.1cm
- Total depth 9.84cm
- Cut-out diameter 10.95cm
- Fixing holes 4
- Closed volume 1.3 liters
- Closed F3 156 Hz
- Bass reflex volume 4.1 liters
- Bass reflex F3 80 Hz
Download data sheet
