เครื่องขยายเสียง ยี่ห้อ QSC รุ่น CX168
คุณสมบัติ
- 90 watts per channel at 8 ohms and 130 watts per channel at 4 ohms
- Compact size—only two rack spaces and 14″ deep for reduced rack space
- Channel pairs bridgeable for maximum flexibility
- Exclusive PowerLight switch-mode power supply technology for high performance and compact size
- Active inrush limiting eliminates AC inrush current, removing the need for expensive power sequencers
- Four HD15 DataPorts (one per channel pair) for Q-SYS networked control and monitoring
- Custom integrated gain control security cover for tamper-proof installations
- 1-dB recessed detented gain controls for fast and accurate settings
- Detachable Euro-style input and output connectors
- DIP switch control for clip limiters, high-pass filters, bridge mono and parallel operation
- Selectable high-pass filters protect speakers and prevent speaker transformer saturation with minimal effect on program material (33 Hz or 70 Hz)
- Comprehensive front panel indicators including signal, clip, bridge mono and parallel input LEDs
- Fully protected—including DC, infrasonic and ultrasonic, thermal overload and short circuit protection
- High-performance Class AB+B complementary bipolar output circuitry
- Lightweight—only 21 pounds (9.5 kg) for easier racking and shipping
- 3-year warranty plus optional 3-year extended service contract
- All CX Series amplifiers meet the European Union’s, 2006 RoHS directive to restrict the use of hazardous materials used in electronic devices.
สเปค
SPECIFICATIONS |
CX168 |
CX108V |
|
| STEREO MODE, All Channels Driven Continuous Average Output Power Per Channel |
|||
8Ω, 0.05% THD 20 Hz–20 kHz |
90 W | – | |
4Ω, 0.1% THD 20 Hz–20 kHz |
130 W | – | |
70 V, 0.2% THD 20 Hz–20 kHz |
– | – | 100 W |
Midband Ratings8Ω, 0.1% THD 1 kHz4Ω, 0.1% THD 1 kHz |
All channels 100 W 140 W |
Single channel 120 W 180 W |
– – |
| BRIDGE MONO MODE | |||
16Ω, 0.1% THD 20 Hz–20 kHz8Ω, 0.1% THD 20 Hz–20 kHz140 V, 0.2% THD 20 Hz-20 kHz |
180 W 260 W – |
– – 200 W |
|
Noise (20 Hz–20 kHz) |
-107 dB | -100 dB | |
Input Sensitivity (for full-rated output power) |
1.35 V rms @ 8 ohms | 1.26 V rms @ 70V | |
Voltage Gain |
20× (26 dB) | 56× (35 dB) | |
Input Clipping |
6 V rms (+18 dBu) | 6 V rms (+18 dBu) | |
Output Circuitry Class |
Class AB+B | Class AB+B | |
Frequency Response |
20 Hz–20 kHz, ± 0.2 dB 8 Hz–50 kHz, +0/-3 dB |
20 Hz–20 kHz, ± 0.4 dB 8 Hz–70 kHz, +0/-3 dB |
|
Damping Factor |
Greater than 200 (5 kHz and below) |
Greater than 500 (5 kHz and below) |
|
Input Impedance |
6 kΩ unbalanced, 12 kΩ balanced |
6 kΩ unbalanced, 12 kΩ balanced |
|
Distortion (SMPTE-IM) |
Less than 0.02% | ||
Distortion (typical)20 Hz–20 kHz: 10 dB below rated power1.0 kHz and below: at full rated power |
Less than 0.1% THD Less than 0.03% THD |
||
Connectors |
Input: 3-pin Euro-style detachable terminal blocks, (one per ch.) DataPort: HD-15 Connector, (one per channel pair: Ch 1+2, 3+4, 5+6, 7+8) Output: Two 8-pin Euro-style detachable terminal blocks |
||
Cooling |
Variable speed fan, rear-to-front airflow through tunnel heat sink | ||
Controls |
Front: AC switch, Ch 1, 2, 3, 4, 5, 6, 7 & 8 gain knobs Rear: DIP switches for Ch. 1–Ch. 8, clip limiter on/off, LF filter on/off, LF filter freq select 33 or 70 Hz for CX168, LF filter freq select 50 or 75 Hz for CX108V, inputs parallel or stereo; bridge mode |
||
Indicators |
PWR-ON: Green LED SIGNAL-35 dB: Green LED (1 per channel) CLIP: Red LED (1 per channel) |
PARALLEL INPUTS: Orange LED (1 per ch. pair) BRIDGED: Yellow LED (1 per ch. pair) |
|
Amplifier Protection |
Full short circuit, open circuit, thermal, ultrasonic, and RF protection; Stable into reactive or mismatched loads | ||
Load Protection |
On/off muting; Individual channel DC fault blocking | ||
Dimensions (HWD) inches |
3.5 x 19 x 14 / 2RU | ||
Dimensions (HWD) mm |
89 x 483 x 356 / 2RU | ||
Weight |
21 lb (9.5 kg) net, 27 lb (12.3 kg) shipping | ||
Power Requirements |
100, 120, 230 VAC, 50–60 Hz (configured at factory) | ||
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