12X + KA18 12" Top & 18" Subwoofer PA Speaker Combo | Sinbosen
Contour reinforced by 8 dB at 100 Hz
Ratio of one KA18 to one 12X
|
Usable bandwidth (-10 dB)
|
59 Hz – 20 kHz
|
|
Maximum SPL
|
136 dB
|
|
Nominal directivity (-6 dB)
|
Vertical: 90° symmetric
|
|
horizontal: 60° symmetric
|
|
|
Monitor angle
|
Without risers: 35°
|
|
with risers: 55°
|
|
|
Transducers
|
LF: 1 × 12″ cone driver
|
|
HF: 1 × 3″ diaphragm compression driver, neodymium
|
|
|
Acoustical load
|
Load bass-reflex
laminar venting technology ellipsoidal waveguide |
|
Nominal impedance
|
8Ω
|
|
Connectors
|
IN: 1 × 4-point speakON
|
|
LINK: 1 × 4-point speakON
|
|
|
Rigging and handling
|
2 handles
|
|
5 threaded inserts
|
|
|
1 × 35 mm pole sockets
|
|
|
Weight (net)
|
20 kg
|
|
Cabinet
|
FIrst-grade Russian birch plywood
|
|
Front
|
Steel with anti-corrosion coating
|
|
acoustically neutral 3D fabric
|
|
|
Finish
|
Dark grey brown
|
|
Low frequency limit (-10 dB)
|
32 Hz
|
|
Maximum SPL
|
138 dB
|
|
Nominal directivity (-6 dB)
|
Standard or cardioid
|
|
Transducers
|
1 ×18''
|
|
Acoustical load
|
Dual bass-reflex
Laminar venting technology |
|
Nominal impedance
|
8 Ω
|
|
Connectors
|
2 × 4-point speakON
|
|
Rigging and handling
|
4×handles
|
|
4-point captive rigging system
|
|
|
1 ×25mm pole socket
|
|
|
Weight (net)
|
52 kg/115 lb
|
|
Cabinet
|
FIrst-grade Russian birch plywood
|
|
Front
|
Coated steel grill
|
|
acoustically neutral 3D fabric
|
|
|
Rigging components
|
Steel with anti-corrosion coating
|
|
Finish
|
Dark grey brown
|
1. Key Selling Points & Technical Advantages
1:1 SPL Balance & Dynamic Headroom
Power Matching: The 12X and KA18 both boast an impressive maximum SPL of 136 dB. In a pole-mount configuration, they achieve a perfect 1:1 acoustic energy balance, ensuring punchy, undistorted low-end without sacrificing clarity or overpowering the high frequencies.
Seamless Coaxial Integration: The 12X features an advanced elliptical coaxial design with an 90° x 60°. Combined with the KA18’s sub-bass down to 32 Hz and official DSP presets, the transition across crossover frequencies is smooth, linear, and phase-coherent.
Controlled Dispersion & Long Throw
Precise Coverage: The 90° x 60° dispersion pattern allows sound engineers to target energy directly at the audience while minimizing unwanted reflections from ceilings and side walls.
Extended Reach: Thanks to its high output and controlled directivity, the system projects crisp speech and high-frequency detail across longer distances without requiring line-array rigging.
High-Output Efficiency with Small Footprint
No Rigging Needed: The KA18 acts as a stable, heavy base (~52 kg / 115 lbs), eliminating the need for complex trussing or flying hardware.
Clean Aesthetics: The compact footprint leaves stage sightlines completely unobstructed, making it ideal for corporate backdrops, LED walls, and elegant event spaces.
2. Core Use Cases
|
Application / Scenario
|
Why Choose the 12X + KA18 Pole Mount?
|
|
Mid-to-Large Corporate Events & Auto Shows
|
Delivers massive dynamic range for video soundtracks and speeches without sacrificing aesthetic clean lines.
|
|
Medium Livehouses & Outdoor Stages
|
Easily handles high-energy genres like rock, pop, and EDM, providing authentic concert-level sound.
|
|
High-End Weddings & Gala Parties
|
Handles everything from subtle background acoustic sets to high-volume live bands and DJ performances.
|
|
Touring Side-Fill & DJ Monitoring
|
Serves as a high-output, full-range monitoring setup for performers and DJs on major concert stages.
|
3. Coverage Capacity & Scale
Audience Size: A standard stereo pair (1 × 12X + 1× KA18 per side) comfortably covers 300 to 800 people in indoor or outdoor venues.
Throw Distance: 15 to 30 meters (approx. 50 to 100 ft) of effective coverage depth.
4. Operational & Safety Recommendations
Amplified Controller: Powered by A-4X (4×1000W @ 4 ohms). A single A-4X can independently drive and process two 12X and two KA18 on dedicated channels using factory presets.
Hardware & Weight: The 12X cabinet weighs 20 kg (44 lbs). To ensure safety at height:
Always use M20 threaded mounting poles screwed firmly into the KA18 top mount.
Consider crank-up / hand-winch poles for safer elevation adjustment by a single technician.
Add sandbags/weights behind the KA18 when deployed outdoors in windy conditions.
RELATED PRODUCT
 |
 |
 |
 |