| Content | What is Class-D Technology?
Instead of operating relatively continuously like Class AB circuits, Class-D amps switch on and off thousands of times per second, delivering power only when needed. The amplifier is either fully on or fully off, which significantly reduces power losses from the output devices given off as heat. Less heat means our Class-D amps don't need massive heat sinks, and that means we can make them lighter. Plus B1200D's amplifier provides all the dynamic punch and fidelity you'd expect from a much larger, more expensive subwoofer.
Custom-Designed Transducers
The transducers (woofers and tweeters) are the only part of a sound system you actually hear, so we never cut corners, and we never just grab whatever happens to be on the shelf. We custom-design our own so they are the perfect match for both the amplifier and the application. We wind our own voice coils, process the paper pulp into cones and even machine our own backplates. This enables us to control the quality, and frankly, make better components. The 12" long-excursion, low-frequency transducer was designed specifically for use in the EUROLIVE B1200D.
Take Control
The B1200D features balanced XLR inputs and outputs, as well as balanced XLR Thru jacks for connecting additional enclosures. A Boost Frequency knob lets you boost any frequency between 45 Hz and 90 Hz. Then just flick the Boost switch to give your selected frequency a +10 dB boost. We've also provided a High Cut dial that controls the upper-corner frequency for the internal amplifier without affecting Thru A/B signals. A Level knob controls the input gain, and the Phase switch reverses the output phase to compensate for frequency cancellation between the subwoofer and satellite speakers. LEDs show operational status at a glance including power, signal present and input overloads.
Product Features:
- High-performance 500-Watt powered subwoofer for PA applications
- Powerful 12'' long-excursion transducer with high temperature voice coil provides incredibly accurate and pulse-pounding bass
- Precise reproduction of ultra-low frequencies for "bulletproof" punch and impact
- State-of-the-art 500-Watt Class-D amplifier with comprehensive over-excursion, thermal and clip limit protection
- Built-in active stereo crossover provides high-pass filtered outputs for full-range loudspeakers
- Tunable and switchable Bass Boost plus Phase switch for ultimate low-frequency performance
- Variable High Cut control for perfect sound alignment
- Subwoofer Level control to adjust the balance between subwoofer and the full-range speakers
- Power, Signal and Clip LEDs for perfect monitoring
- Intelligent limiter for maximum sound performance and woofer protection
- Internal switch-mode power supply for noise-free audio, superior transient response and very low power consumption
- Pole socket for mounting with commercial spacer poles
- Ergonomically shaped handles for easy transport
- Rugged steel grill for optimal speaker protection
- High-quality components and exceptionally rugged construction ensure long life
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From rock band to club DJ, StageSource™ L3s is a high-powered subwoofer designed to deliver best-in-class low-end performance - whatever the application.
Designed for the widest range of scenarios, Line 6 Smart Speaker modes allow you to configure the subwoofer output to deliver the perfect low-end performance at the touch of a button. Whether you need a huge punchy kick and bass for a live rhythm section, or deep sub-bass lows for use in a DJ rig, Smart Speaker modes make setup simple and deliver stunning sound in every application.
In live sound situations where two or more speakers are needed, StageSource products use a proprietary digital networking protocol called L6 LINK™ to simplify setup. Loudspeakers will automatically self-configure, pan stereo signals, adjust Smart Speaker modes and perform system-wide optimization. Add StageSource L3s subwoofers to the mix and the system automatically sends them the summed signals and sets the crossovers. When combined, Line 6 live sound products form an intelligent ecosystem that sets up faster and helps you sound your best.
| Cabin Type: | Wooden subwoofer | | Amplifier: | 1,200‐watt | | LF/MF, Woofer: | 2x12” | | DSP Processor: | Yes | | Frequency Response: | 38 Hz to 910 Hz | | Dimensions: | 419 mmx867 mmx591 mm | | Weight: | 37.5 kg | | Color: | Black |
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- 2 CHANNELS INPUT & OUTPUT
- Woofer 12”
- RMS Power 350W CLASS AB Amplifier
- Peak power 700W
- Frequency range 40Hz-120Hz
- Peak spl 126 dB
- Power supply AC110V/AC230V
MODEL IS S112A
System type Vented enclosure subwoofer
LF CONE 12“
LF VOICE COIL 2“VC
LINE INPUT 2 x XLR-F IN
LINE OUTPUT 2 x XLR-M OUT
CROSSOVER OUTPUT FLAT or 100 Hz High-Pass
RMS POWER 350 W
PEAK POWER 700 W
FREQUENCY RESPONSE 40hz-120khz
PEAK SPL 126 dB
DIMENSIONS 42x51x40 cm (WxHxD)
WEIGHT 21 Kg
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The black Polk Audio Monitor XT12 12" 100W Subwoofer provides Polk's loud, low, effortless bass so you can enjoy movies, music, and gaming with more impact and excitement. Easily integrated into any home theater or music listening environment and featuring new woofer, amplifier, and cabinet designs, the XT12 fulfills the Polk promise of great sound for all.
Polk has always been known for speakers that produce deep, powerful, effortless bass, and the Monitor XT12 is no exception. A 12" Dynamically Balanced woofer in a ported cabinet, powered by a clean and ultra-efficient 100W Class A/B amplifier, delivers bass as low as 24 Hz, adding more punch and impact to your favorite music, movies, and video games.
When you want bass this loud and this low, your subwoofer needs more than a great woofer and powerful amplifier to make it seem effortless. The Monitor XT12 is housed in a critically braced MDF cabinet with a removable, precision-fit grille to isolate the sound of the woofer while minimizing unwanted resonances and sonic interference.
The Monitor X12 features a consistently variable crossover, polarity, and volume control to seamlessly blend the massive bass it provides with your system. In addition, the Monitor XT12 offers line level, LFE, and nickel-plated binding post inputs, ensuring compatibility with your receiver. Plus, the XT12 is perfect for the modern trend of integrating two subs into your home theater for even more bass while smoothing out the low frequencies throughout the room.
The Monitor XT series was designed with quality, timbre-consistent components throughout to enable you to mix and match models to build your dream home theater or music listening setup. Matched components provide a unified sound field with seamless speaker-to-speaker blending for truly immersive listening experiences.
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Extending the ZXA1's size-defying performance and sleek styling into the low-end realm, the ZXA1-Sub packs 700 W of self-powered punch into a low-profile wood enclosure. Match ZXA1 with ZXA1-Sub and hear just how big a small rig can sound, whether you want to add a tight thump to a DJ set or give the highs and mids some breathing room in a live performance.
- 15mm Plywood Enclosure, Internally Braced, with Textured Paint
- EVS-12S 305mm (12“) Woofer for Powerful, Engaging Bass Response
- Class D Lightweight Amplifier
- Pole Mount for Full-Range Systems
- Dual XLR Inputs and Outputs
- Switchable EQ Modes for Different Applications
- LED indicators for Power On and Limit
| Amplifier Power | 800 Watts (RMS) | | Color | Black | | Coverage (Nominal -6 dB) | Omnidirectional | | Input Connections | (2) XLR Stereo Input, (2) XLR Stereo Output | | Power Requirement | 120V: 90V-132v, 1.0 A, 50-60Hz 230V: 190V-264V, 0.6A, 50-60Hz | | Speaker Type | Powered Subwoofer | | Frequency Response (-3 dB) | 53-93 Hz Half Space | | Frequency Response (-10 dB) | 44-118 Hz Half Space | | Max. SPL/1m (calc) | 126 dB Half Space | | System Power Handling (Continuous/Program/Peak) | 700 Watts | | LF Transducer | (1) EVS-12S, 305mm (12“) Woofer | | Crossover Frequency | 100 Hz | | Enclosure Material | 9-ply, 15mm Plywood, Internally Braced, with Textured Paint | | Outdoor | No | | Grill | 16GA Steel with Black Powdercoat | | Height | 400 mm (15.75“) | | Width | 444.5 mm (17.5“) | | Depth | 457.2 mm (18“) | | Weight Net | 20.9 kg (46.08 lbs) | | Shipping Weight | 26.5 kg (58.42 lbs) |
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Features
Lightweight portable powered speakers with legendary QSC amplifier power and reliability
1000 watt continuous Class D power module
Extensive DSP enhances system performance
Attractive and professional appearance
Rugged birch plywood enclosure
Comfortable ergonomic handles
Threaded pole socket with speaker pole included
The KSub is a dual-12" bandpass design, constructed of premium birch and includes high-quality, low-noise casters. The subwoofer features a threaded pole receptacle for a positive, wobble free connection to a threaded speaker pole (included).
Remote gain control capability is offered via a potentiometer (not included) connected to the on-board Euroblock connector. In an installed application, multiple K Series speakers can be "daisy-chained" for total gain control from a single remote pot. Auto-standby mode is engaged after 5 minutes of inactivity.
Extensive DSP
DMT™ (Directivity Matched Transition) provides for matched LF and HF coverage across the entire listening area, eliminating unnatural "dead" or "hot" frequency zones.
Intrinsic Correction™, first featured in our high-end line-array products maps 65-75 spacially-averaged measurements to IIR and FIR filters that actively adjust time, frequency and amplitude response to a maximally flat bandpass target. The result is a speaker that behaves equally well across the entire sound field.
DEEP™ and excursion limiting allow for extended low-frequency response by actively managing low-frequency transients without degradation of the underlying signal or adjacent frequencies.
GuardRail™ protection, first introduced on our GX Series amplifiers protects both the amplifier module and your performance from unnatural and destructive clipping.
SPECIFICATIONS
Configuration 4th Order Bandpass
Transducers
Low-frequency
2 x 12" cone transducers
Frequency Response (-6 dB) 48 Hz - 134 Hz
Frequency Range (-10 dB) 44 Hz - 148 Hz
Maximum SPL1 130 dB peak
Amplifiers
Power Output2 1000 W continuous Class D (2x500 W)
2000 W peak
Input Impedance (ohms) XLR / ¼“: 40k balanced / 20k unbalanced
Controls Power, Gain, LF Mode (Normal/DEEP™), Polarity (Normal/Reverse), Front LED (On/Off/Limit)
Indicators Power, Signal, Standby, Limit
Connectors Dual balanced female XLR/¼" line level input, Dual Balanced male XLR full range line level out, Remote gain control, Locking IEC power connector
Cooling On demand, 50 mm variable speed fan
Amplifier Protection Thermal limiting, output overcurrent, overtemperature muting, GuardRail™
Transducer Protection Thermal limiting, excursion limiting
AC Power Input Universal power supply 100 - 240 VAC, 50 - 60 Hz
AC Power Consumption
(1/8 Power) 100 VAC, 2.3 A
120 VAC, 2.01 A
230 VAC, 1.13 A
Enclosure
Material Painted birch plywood
Finish Black textured paint
Dimensions (HWD) 26" x 14" x 28.1" (including casters)
665 mm x 356 mm x 714 mm
Weight (Net) 74 lb / 33.6 kg
Available Accessories KSub COVER
1 For comparison purposes and in accordance with common industry practice, maximum peak SPL specifications are theoretical calculations based upon transducer sensitivity and peak available amplifier power.
2 Independent of limiters and driver protection circuits.
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