
THE18 SUB PRO ACTIVE VENTED
Overview
Photo
Description
WHY: Achieving the pinnacle of sound quality is not merely a technical objective—it’s an emotional voyage. The THE18 SUB PRO ACTIVE VENTED is crafted for the discerning listener who truly appreciates what exceptional audio feels like. This subwoofer goes beyond sheer power; it delivers an exhilarating experience of hearing every note and low-frequency impact with such clarity and depth that it transports you to a new world. THE18 SUB PRO is the ultimate component to elevate your audio experience to extraordinary heights, for those who demand audio perfection.
HOW: From the very first thunderous vibration to the subtlest low-frequency nuances, the THE18 SUB PRO unlocks an entirely new realm of audio immersion. Its innovative vented construction, paired with a precision-tuned 27Hz response, produces bass that doesn’t just reach your ears—it resonates through your body, blending raw power with meticulous accuracy. Despite its commanding output, this subwoofer remains agile, delivering tight, articulate bass that transitions seamlessly.
The cutting-edge double-gap motor technology enhances linearity and speed, ensuring powerful, distortion-free lows that never compromise detail or musical integrity. Every beat isn’t just audible—it’s visceral. And with our dedication to proof over promises, you can rely on independent lab-tested specs to reflect the true performance you’ll hear (and feel) in your own listening environment.
WHAT: THE18 SUB PRO redefines performance, proving just how far an 18-inch driver can go. Driven by a 3 kW built-in amplifier and backed by a 6 kW power supply, it conquers even the most intense audio demands—whether thunderous cinematic effects or intricate musical passages—with effortless authority. Every detail, from subterranean movie effects to the deepest bass notes in music, is reproduced with astonishing precision.
When combined with our infrasonic subwoofers, the THE18 SUB PRO ACTIVE VENTED elevates your system into a sub-20 Hz powerhouse, delivering ultra-deep bass without sacrificing the clarity and finesse for which ASCENDO is known.
To experience its full capabilities, we recommend pairing it with our purpose-built amplifiers—because extraordinary bass deserves uncompromising power and control.
Specification
General
Speaker Type
18” forward-firing, dual gap motor structure - 2 inner and 2 outer voice coils, neodymium motor
XMAX
17.5 mm excursion each direction (35 mm linear), voice coil remaining in homogeneous magnetic field, linear and lower distortion
Principle
Vented
Passive | Active
Active, built in DSP Amplifier
Measured Data
SPL Peak (Peak / Half Space 2pi)
Measured Data 137 dB @ 63 Hz 130 dB @ 30 Hz
Frequency Range
Measured Data (Without DSP) 60 Hz - 400 Hz / -3 dB 23 Hz - 500 Hz / -12 dB
Directivity Horizontal x Vertical in deg°
360°
Power Specifications & Features
Output Power
3000 W
Power Supply Requirements
100-240 VAC, 50-60 Hz (Operating: 90-265 VAC)
Power Consumption
230 VAC - 1/8 rated power (4 Ohm)
3.2 A / 490 W
120 VAC - 1/8 rated power (4 Ohm)
6.2 A / 490 W
Idle
0.5 A / 61 W
Automatic Power Off
Trigger
Connections
Input
1 x XLR Balanced
Output
1 x XLR Balanced Link
Power
Neutrik powerCON True 1 in-out
Communications
2 x RJ45 / Daisy Chain
Signal Processing & Control
Protection Features
Turn-on transients, Over-heating, DC, RF, Short-circuit, mismatched loads, ICL™, PMS™
Controller
OCS Software Control
Converter
High Performance 96 kHz / 24 bits AD/DA converters, 64 bit double-precision 96 kHz DSP process
Input IIR EQ Section
Gain, Mute, Phase inversion, Delay (up to 116 ms, 40 m), 10 EQ filters (Parametric, Shelving, LP, HP, BP, SB, AP)
Dimensions & Weight
Dimensions (W/H/D) mm (Without Grille)
530 | 1124.5 | 380 (Height without feet: 1100) (Depth with plug: 400)
Dimensions (W/H/D) inch (Without Grille)
20 6/7 | 44 1/4 | 15 (Height without feet: 43 1/3) (Depth with plug: 15 3/4)
Packing Dimensions (W/H/D) mm
700 | 1250 | 500
Packing Dimensions (W/H/D) inch
27 5/9 | 49 1/5 | 19 2/3
Weight
123.46 lbs | 56 kg
Gross Weight
143.3 lbs | 65 kg
Design & Mounting
Enclosure
Internally braced MDF
Finish
Structural paint black
Mounting
Floorstanding with feet
Grille
The THE18 SUB PRO ACTIVE VENTED is supplied with a front cover as standard