QSC GX3 | เครื่องขยายเสียง 2 CH 2×300 วัตต์ 8 โอห์ม
เครื่องขยายเสียงกลางแจ้ง QSC GX3 มีกำลังขับ 300 วัตต์ 8 Ohm Speakers XLR, Optimized for 4 and 8 ohm Speakers, XLR, 1/4″ TRS and Phono Inputs, Speakon® Combo Outputs, Subwoofer/Satellite Crossover Built-in
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QSC GX3 เครื่องขยายเสียง 2 CH 2×300 วัตต์ 8 โอห์ม
The QSC GSX GX3 Power Amplifier is designed to provide power, portability and professional sound quality at an affordable price. The GX3 features 300 watts of power at 8 ohms (both channels driven) in a design that’s easy to install and delivers flexible features. The rear panel features balanced XLR and 1/4″ phone inputs, as well as unbalanced RCA phono inputs for complete compatibility with professional and consumer audio gear.
The outputs feature speaker binding posts and Speakon ® connections. Detented gain controls provide precise level settings. QSC’s GuardRail protection delivers full peak power while preventing detrimental overloads due to excessive clipping or overheating. In addition, a built-in 180Hz crossover splits low and mid frequency signal between the left and right channel. This is ideal for driving sub-woofers.
The GX3 is a feature packed, lightweight amplifier that’s suitable for mid-size venue installation, musicians, mobile DJs, etc.
Features:
- Power levels matched to the most popular speakers used by entertainers
- Optimized for maximum real-world headroom into 4- and 8-ohm speaker systems
- Inputs: XLR, 1/4″ TRS and phono input connectors for compatibility with any source
- Outputs: Speakon® combo accepts 1/4″ (TS) plugs or Speakon 2- and 4-pole plugs (connects 2 poles only). Binding posts support all other speaker wiring systems
- Minimum depth chassis (10.1″ / 257 mm) fits in compact, inexpensive effects racks
- Lightweight – GX3 and GX5 less than 26 lb (12.5 kg). GX7 only 15.5 lb (7 kg)*
- Detented gain controls for precise setting and matching of sensitivity
- GuardRail™ automatically protects the amplifier and loudspeakers from damage due to temperature rise or overdrive without shutting down the show
- Front panel LEDs monitor power, signal, and clipping
- Subwoofer/satellite crossover built-in
Specifications
Power Rating | 8 ohms / 1 kHz (both channels driven): 300W
8 ohms / 1 kHz (single channels driven): 350W 4 ohms / 1 kHz (both channels driven): 425W 4 ohms / 1 kHz (single channels driven): 500W |
Damping Factor | Not Specified By Manufacturer |
Input Sensitivity | 1.2 Vrms |
Input Impedance | Greater than 20k (balanced) |
Gain | 32.2dB |
Frequency Response | 20Hz – 20kHz, +0, -1 dB |
Signal-to-Noise Ratio | 100dB |
Total Harmonic Distortion (THD) | 8 ohms: less than 0.05%
4 ohms: less than 0.1% |
Input Connections | 3-pin XLR and 1/4″ TRS, balanced, parallel
Phono, unbalanced |
Output Connectors | Speakon, 1/4″, Binding Posts |
Controls Front Panel | Gain controls, 21 detents
Red Clip LEDs, proportional, 0.1% THD threshold Green Signal LEDs, threshold -35 dB Blue Power LED, AC on |
Controls (Rear) | Full Range / Crossover switch
100 Hz, 3rd order LP (sub), 2nd order HP (top) |
Indicators | Red Clip LEDs, proportional, 0.1% THD threshold
Green Signal LEDs, threshold -35 dB Blue Power LED, AC on |
Cooling | Not Specified By Manufacturer |
Power Consumption | 0.2 AC Amps, 44 per hour idle
UL, CE, RoHS/WEEE Compliant |
Power Requirements | 1/8 power, pink noise at 4 ohms, 120V 6.3A |
Dimensions (WxHxD) | 19 x 3.5 10.1″ (483 x 89 x 257mm) |
Weight | 26 lbs (12 kg) |
Specialties | Subwoofer/Satellite crossover built-in |
แบรนด์ (Brands) | QSC |
---|---|
รุ่น | GX3 |
จำนวนช่อง (Channels) | 2 Channel |
กำลังวัตต์ (Max Power) | 300 Watts. |
สี (Color) | สีขาว |
ข้อมูลจำเพาะ | QSC GX3 เครื่องขยายเสียง 2 CH 2×300 วัตต์ 8 โอห์ม |