QSC GX5 เครื่องขยายเสียง ราคาเครื่องเสียงกลางแจ้ง Power Amplifiers 8 ohm 2 x 500 W
The QSC GSX GX5 Power Amplifier is designed to provide power, portability and professional sound quality at an affordable price. The GX5 features 500 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 GX5 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 ohm 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-pole and 4-pole plugs (connects two 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): 500W
8 ohms / 1 kHz (single channels driven): 600W
4 ohms / 1 kHz (both channels driven): 700W
4 ohms / 1 kHz (single channels driven): 850W |
| Damping Factor |
Not Specified By Manufacturer |
| Input Sensitivity |
1.2 Vrms |
| Input Impedance |
Greater than 20k (balanced) |
| Gain |
34.4dB |
| 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 |
0.3 AC Amps, 60 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 |
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