1. Bubuka
The QSC GX5 Stereo Power Amplifier is designed for professional audio applications, offering robust performance and portability. This manual provides essential information for the proper setup, operation, and maintenance of your GX5 amplifier pikeun mastikeun kinerja optimal sareng umur panjang.
Gambar 1: Hareupeun view of the QSC GX5 Power Amplirén, nuduhkeuncasing its rack-mountable design and front panel controls.
2. Fitur konci
- Kaluaran kakuatan: Delivers 500 watts per channel into 8 ohms, and 700 watts per channel into 4 ohms, optimized for popular speaker systems.
- Class H Design: Utilizes a Class H system for efficient power delivery, nearly doubling power in a compact size.
- GuardRail Protection: Automatically protects the amplifier and connected loudspeakers from damage due to temperature rise or overdrive without shutting down.
- Crossover terpadu: Features a built-in subwoofer/satellite crossover (100 Hz) to optimize performance with subwoofers and full-range speakers.
- Input Fleksibel: Equipped with XLR, 1/4-inch balanced, and phono inputs for broad compatibility with various audio sources.
- Kaluaran serbaguna: Includes Speakon - 1/4-inch (TS) combo outputs (accepts 2-pole or 4-pole, connects 2 poles only) and binding posts for diverse speaker wiring systems.
- Kontrol Panel hareup: Detented gain controls for precise sensitivity setting and matching, along with LED indicators for Power, Signal, and Clipping status.
- Desain kompak: Minimum depth chassis designed to fit into compact, inexpensive racks.
3. Setélan
Proper setup is crucial for the safe and efficient operation of your QSC GX5 amppanguat. Turutan léngkah-léngkah ieu kalawan saksama:
3.1 Ngabongkar sareng Nempatkeun
- Ati-ati ngaleupaskeun ampwadahna tina bungkusna. Simpen sadaya bahan bungkus kanggo transportasi atanapi panyimpenan ka hareup.
- Tempatna amplifier in a well-ventilated area. Ensure adequate airflow around the unit to prevent overheating. Avoid placing it near heat sources or in direct sunlight.
- The GX5 is designed for rack mounting. Secure it in a standard 19-inch equipment rack using appropriate rack screws.
3.2 Connecting Audio Inputs
The rear panel of the GX5 offers various input options for connecting your audio source (e.g., mixer, preamplirén).
Figure 2: Rear panel of the QSC GX5, showing input and output connections, and mode switches.
- Sambungkeun sumber audio anjeun ka Saluran 1 jeung Saluran 2 inputs using XLR, 1/4-inch balanced, or phono (RCA) cables. Ensure secure connections.
- For stereo operation, connect the left channel of your source to Channel 1 and the right channel to Channel 2.
3.3 Connecting Loudspeakers
The GX5 provides versatile output options for connecting your loudspeakers:
- Speakon / 1/4-inch (TS) Combo Outputs: Use Speakon connectors for secure, high-power connections. These outputs also accept 1/4-inch TS plugs.
- Tulisan mengikat: For other speaker wiring systems, use the binding posts. Ensure correct polarity (+ to + and - to -).
- Connect your loudspeakers to the corresponding Channel 1 and Channel 2 outputs. Verify that the impedance of your speakers matches the amplifier's capabilities (4 ohms or 8 ohms).
3.4 Sambungan Daya
- Pastikeun amplifier's power switch on the front panel is in the OFF position.
- Connect the supplied AC power cord to the AC INLET on the rear panel of the amplifier and then to a grounded AC power outlet.
4. Parentah Operasi
4.1 Powering on / Pareum
- Pikeun ngaktipkeun, pencét tombol Kakuatan Hurung switch on the front panel. The Power LED will illuminate.
- Pikeun mareuman, pencét tombol Kakuatan Hurung pindah deui.
4.2 Adjusting Gain Controls
- Use the detented GAIN kontrol on the front panel for Channel 1 and Channel 2 to adjust the input sensitivity.
- Start with the gain controls set to their minimum position (fully counter-clockwise) before playing audio.
- Gradually increase the gain until the desired volume level is achieved without the Clip LED illuminating frequently.
4.3 Pamahaman Indikator LED
- LED kakuatan: Nunjukkeun ka amplifier dihurungkeun.
- LED Sinyal: Nyaangan nalika aya sinyal audio dina input.
- Klip LED: Illuminates when the output signal is clipping (distorting). Reduce the input level or gain if this LED lights up frequently.
4.4 Using the Subwoofer/Satellite Crossover
The GX5 features a built-in crossover for optimized speaker performance:
- Panggihan lokasina CROSSOVER hurungkeun panel tukang.
- In BANGSA LENGKAP mode, anu amplifier outputs the full audio spectrum to both channels.
- In SUB/SAT mode, Channel 1 outputs frequencies from 20 Hz to 100 Hz (for subwoofers), and Channel 2 outputs frequencies from 100 Hz to 20 kHz (for full-range speakers). Adjust front panel gain controls to balance subwoofer and top box levels.
5. Pangropéa
- beberesih: Rutin ngabersihan exterior tina ampLap nganggo lawon anu lemes sareng garing. Entong nganggo pembersih cair atanapi pangleyur. Pastikeun kisi-kisi ventilasi bébas tina lebu sareng runtah.
- Ventilasi: Always ensure proper ventilation. Do not block the air vents on the front or rear panels.
- Kabel listrik: Inspect the power cord periodically for any damage. If damaged, replace it with an authorized QSC replacement part.
6. Cara ngungkulan
If you encounter issues with your QSC GX5 amplifier, tingali léngkah-léngkah ngungkulan masalah umum ieu:
- Henteu aya kakuatan:
- Pariksa naha kabel listrik parantos disambungkeun pageuh kana duanana amplifier jeung stop kontak AC.
- Pariksa heula stop kontak AC-na tiasa dianggo.
- Ensure the front panel power switch is pressed to the ON position.
- Henteu aya sora:
- Pastikeun sumber audio aktip sareng ngirim sinyal.
- Check all input and output cable connections for security and correct polarity.
- Pastikeun amplifier's gain controls are not set to minimum.
- Verify that the speakers are properly connected and functional.
- Distorted Sound (Clip LED frequently on):
- Kurangkeun tingkat input tina sumber audio anjeun.
- Lower the gain controls on the amppangagung.
- Pastikeun impedansi spiker aya dina amplifier's specified range.
- Overheating (GuardRail activation):
- Pastikeun ventilasi nyukupan di sabudeureun éta amplifier. Clear any obstructions from the air vents.
- Reduce the operating volume or allow the amplifier pikeun niiskeun.
7. Spésifikasi
| Spésifikasi | Nilai |
|---|---|
| merek | QSC |
| Modél | GX5 |
| Daya Kaluaran (8 Ohm) | 500 Watts per channel |
| Daya Kaluaran (4 Ohm) | 700 Watts per channel |
| Jumlah Saluran | 2 |
| Signal to Noise (20 Hz - 20 kHz) | 100 dB |
| Voltage | 230 volt |
| Item Beurat | 32 pon |
| Ukuran produk (L x W x H) | 14 x 19 x 4 inci |
| Tipe Pamasangan | Surface Mount (Rack Mountable) |
| Frékuénsi Crossover | 100 Hz (Subwoofer/Satellite mode) |
| minuhan | UL, CE, RoHS/WEEE Compliant |
8. Garansi jeung Rojongan
The QSC GX5 Power Amplifier comes with a standard 3-year warranty, which can be extended to 6 years upon product registration on the QSC website. For technical support, service, or warranty claims, please contact QSC customer service or visit their official website for detailed contact information and resources.





