User Manual for QSC E12 System - Stereo Tops with 2-Channel Amplifier Click to enlarge the picture
Contents of the user manual for the QSC E12 System - Stereo Tops
- Product category: PA Speakers QSC
- Brand: QSC
- Description and content of package
- Technical information and basic settings
- Frequently asked questions – FAQ
- Troubleshooting (does not switch on, does not respond, error message, what do I do if...)
- Authorized service for QSC PA Speakers
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User manual for the QSC E12 System - Stereo Tops contain basic instructions
that need to be followed during installation and operation.
Before starting your appliance, the user manual should be read through carefully.
Follow all the safety instructions and warnings, and be guided by the given recommendations.
User manual is an integral part of any QSC product,
and if it is sold or transferred, they should be handed over jointly with the product.
Following the instructions for use is an essential prerequisite for protecting
health and property during use, as well as recognition of liability on the part of the manufacturer
for possible defects should you make a warranty claim. Download an official QSC user manual in which you will find instructions on how to install, use, maintain and service your product.
And do not forget – unsuitable use of a QSC product will considerably shorten its lifespan!
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Product description The QSC E12 System combines two E112 12" two-way loudspeakers with a GDX 8 processing amplifier to create a turnkey sound reinforcement solution for clubs, bars, houses of worship, karaoke, and live bands. - 2 x QSC E112 12" Two-Way Passive Loudspeaker (Black) The black QSC E112 is a trapezoidal, two-way loudspeaker, well suited for sound reinforcement applications including live performance, DJ and dance music, karaoke, and event production. The E112 requires an amplifier with a minimum of 400W continuous (1600W peak) to power the 12" woofer and 1" compression driver that combine to offer a frequency response of 64 Hz to 20 kHz (-6 dB) with a peak SPL of 128 dB. QSC recommends the use of a DSP speaker processor or a power amplifier with integrated DSP in order to set crossovers, limiting, and equalization to ensure the best performance. QSC's GXD or PLD amplifiers, as well as TouchMix digital mixers offer on-board DSP and factory-tuned presets, which provide settings for live sound reinforcement (with and without subwoofers), stage monitoring, dance music, and karaoke.
The 15mm, 11-ply enclosure provides a direct-match-transition (DMT) coverage angle of 85°, which is suitable for most medium and medium-to-long-throw applications. An all-metal, dual-angle, 35mm socket allows the loudspeaker to be mounted vertically on a pole or angled down by 10° to improve audience coverage and reduce rear wall reflections. Multiple mounting options using E Series Yoke or M8 eyebolts (sold separately) are supported. Input connections include dual NL4 as well as screw terminal receptacles. -
- High-output, professional-quality sound with 400W continuous (1600W peak) power handling
- E-Series Entertainment System: advanced digital signal processing tunings and options using QSC GXD, PLD amplifiers or TouchMix digital mixers
- E-Series Entertainment System DSP tunings are available for PLD and GXD processing amplifiers.
- Rugged tour-grade textured paint
- Foam-lined perforated steel grille
- Dual-angle pole socket
- Optional accessories include:
- Transport covers
- M10 eyebolt kit
UPC: 684284076601 - QSC GXD 8 Professional 4500W Power Amplifier with DSP The GDX 8 from QSC is a professional power amplifier designed for professional PA systems utilizing speakers with 4 and 8 ohm loads and a maximum output of 4500W. The GDX 8 employs a class D output stage with a universal power supply for high performance and efficiency, while keeping the unit lightweight at 13.2 lbs. The integrated DSP section includes High and Low-Pass filters (24 dB LR), 4-band parametric equalizer, signal alignment delay, and RMS/Peak speaker protection limiting. The parallel XLR and 1/4" TRS input connectors offer broad compatibility with convenient loop-through capabilities, while the professional binding posts and NL4 connector provide mono and bi-amped speaker connections. In addition to the limiting offers on the inputs and outputs, the GDX employs smart speaker protection by providing settings for the loudspeaker's continuous output and impedance (4 ohm or 8 ohm). The GDX 8 ships with a standard IEC power cord.
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- High peak output power with up to 4500W
- Power levels matched to popular loudspeakers and optimized for maximum headroom into 4-ohm and 8-ohm speaker systems
- Class-D output stage with a universal power supply for high performance and efficiency
- Extensive built-in loudspeaker processing, includes high & low-pass filters, 4-band PEQ, limiting, and delay
- Large LCD display simplifies amplifier setup and indicates amp status
- Inputs: Parallel XLR and 1/4” TRS connectors for compatibility with any source while providing convenient loop-thru capability
- Precision rotary encoders for gain and DSP parameter control
- Outputs: Professional binding post and NL4 connectors (compatible with NL2) provide for mono and bi-amp speaker connections
- Digital Limiting automatically protects the amplifier from damage due to temperature rise or overdrive
- Adjustable speaker protection to match your loudspeaker’s power and impedance
- Front panel LEDs indicate signal presence, input overload, and amplifier clipping
UPC: 684284064967 In the Box - 2 x E112 12" Two-Way Passive Loudspeaker (Black) aserfqwt
- Limited 3-Year Warranty
- GXD 8 Professional 4500W Power Amplifier with DSP aserfqwt
Table of Contents
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Technical parameters - 2 x QSC E112 12" Two-Way Passive Loudspeaker (Black)
| | | Configuration | Passive 2-Way | | Total Power Capacity | 400 W RMS
1600 W Peak | | System Impedance | 8 Ohms (Nominal) | | | | HF Driver | 1 x Compression Driver with 1" / 25.4 mm Throat | | HF Voice Coil | 1.8" / 44.5 mm | | LF Driver | 1 x 12" / 30.5 cm Woofer | | LF Voice Coil | 3" / 76.2 mm | | | | Frequency Range | 46 Hz to 20 kHz -10 dB | | Frequency Response | 64 Hz to 20 kHz -6 dB | | Maximum SPL | 128 dB | | Coverage Angle | 85° H x 85° V | | Speaker Sensitivity | 96 dB | | | | Audio I/O | 2 x speakON NL4
1 x Barrier Strip | | | | Crossover | 1.8 kHz Full-Range Only | | | | Mounting | 1 x 1.4" / 35 mm Pole Socket (Dual Angle) | | Handles | 2 x Side | | Construction Material | Perforated Metal Grille, Plywood | | Dimensions | 14.2 x 24.2 x 14.6" / 360.7 x 614.7 x 370.8 mm | | Weight | 51 lb / 23.1 kg | | | | Box Dimensions (LxWxH) | 28.5 x 18.5 x 18.2" | - QSC GXD 8 Professional 4500W Power Amplifier with DSP
| Watts Per Channel | 8 Ohm Dynamic (Both Channels Driven): 1500 W
4 Ohm Dynamic (Both Channels Driven): 2250 W
8 Ohm Continuous (Both Channels Driven): 800 W
4 Ohm Continuous (Both Channels Driven): 1200 W | | Total Harmonic Distortion (THD) | Distortion: < 1% (typical), 1 kHz at full rated power | | Signal to Noise Ratio | Signal to Noise: 100 dB, (A-weighted, 20 Hz to 20 kHz) | | Input Sensitivity | 1.2 Vrms
3.9 Vrms | | Voltage Gain | 36.5 dB | | Output Circuit | Class D | | Power Requirements | Power Requirements: 1/8 power at 4 ohms
100 VAC: 6.2 A
120 VAC: 5.6 A
230 VAC: 3.2 A | | Frequency Response | 20 Hz to 20 kHz (+0.7 dB, -0.8 dB) | | Headroom | Dynamic Headroom: 2.73 (4 ohms) | | Damping Factor | 100 | | Input Impedance | 20 kOhms (balanced)
10 kOhms (unbalanced) | | Maximum Input Level | +23.5 dBu | | Input Connectors | 3-pin XLR/F
1/4" TRS, balanced | | Output Connectors | NL4 (Channel 1 - 1+/-, Channel 2 - 2+/-), binding posts | | Amplifier Protection | Short circuit
Open circuit
Thermal
RF protection
Load protected against DC faults | | Front Panel Controls and Indicators | 2 x rotary encoders
3 x operational buttons (HOME, ENTER, EXIT)
2 x green signal LEDs, indicate signal presence
2 x red A/D clip LEDs, indicate input over-drive and/or amplifier current clipping
Blue power LED ring, AC on
256 x 128 Pixel LCD: 2.1 x 1.0" / 5.4 x 2.5 cm | | Digital Signal Processing (DSP) | High Pass Filter: 4th order LR, adjustable frequency 20 Hz to 4 kHz
Low Pass Filter: 4th order LR, adjustable frequency 60 Hz to 4 kHz
4-Band PEQ: Variable frequency, gain, and bandwidth
Peak Limiter: Power, aggressiveness, and impedance selection
Delay: 50 ms maximum | | Approvals | UL, CE, RoHS/WEEE compliant | | Dimensions (H x W x D) | 3.5 x 19.0 x 10.2" / 8.9 x 48.3 x 25.9 cm | | Weight | 13.2 lb / 6.0 kg | | | | Box Dimensions (LxWxH) | 23.386 x 14.409 x 5.984" |
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