- Description
Details
The new 4-channel CX254 amplifier gives you a four channels in only two rack spaces-without compromising on power and with high output power, versatile loading options, high thermal capacity and unmatched reliability, the CX254 is the perfect solution to any permanently installed sound system.- Features
Features
- 2 RU and 14" deep for reduced rack cost and floor space.
- Channels 1&2 and 3&4 bridgeable for maximum flexibility.
- Active Inrush Limiting eliminates AC inrush current, removing the need for expensive power sequencers.
- HD15 DataPort connector for QSControl computer control.
- Custom integrated security cover for tamper-proof installations.
- Variable speed fan for low noise.
- 1 dB detented gain controls for fast and accurate gain settings.
- Detachable Euro style input connectors.
- DIP switch control for clip limiters, high pass filters, bridge mono and parallel operation.
- Exclusive PowerWave switch-mode power supply technology for high performance and compact size.
- Selectable high-pass filters protect speakers and prevent speaker transformer saturation with minimal effect on program material (33 Hz or 75 Hz on non-V models, 50 Hz or 75 Hz on V models).
- Comprehensive front panel indicators including signal, clip, protect and QSC's exclusive bridge mono and parallel input LEDs.
- Barrier strip output connector.
- Comprehensive protection circuitry including DC, infrasonic, thermal overload and short circuit protection.
- High-performance Class AB+B complementary bipolar output circuitry.
- Light weight-all models only 21 pounds (9.5 kg) for easier racking and shipping.
- 3-year warranty plus optional 3-year extended service contract.
- Specification
Stereo Mode, Both Channels Driven 8 Ohms 20 Hz-20 kHz 0.05% THD 170W 4 Ohms 20 Hz-20 kHz 0.05% THD 250W 2 Ohms 1 kHz 1% THD 450W Bridged Mono Mode 16 Ohms 20 Hz-20 kHz 0.1% THD 340W 8 Ohms 20 Hz-20 kHz 0.1% THD 500W 4 Ohms 1 kHz 1% THD 900W Noise, 20Hz-20kHz <-106 dB Input Sensitivity 1.22Vrms Gain (for full-rated output power) 29 dB @ 8 ohms Input Clipping 10 Vrms (+22 dB) Output Circuitry AB+B Distortion (SMPTE-IM) Less than 0.01% Distortion (Typical) 20 Hz-20 kHz: 10 dB Below Rated Power Less than 0.01% THD 1.0 kHz and Below: Full Rated Power Less than 0.01% THD Frequency Response (Typical) 20 Hz-20 kHz, ± 0.2 dB 8 Hz-50 kHz, +0/-3 dB Damping Factor Greater than 500 (1 kHz and below) Input Impedance 6k ohms unbalanced, 12k ohms balanced Cooling Variable speed fan zero-idle, rear to front airflow through tunnel heat sink Connectors, Each Channel INP: 3 position Euro-style detachable barrier block, DataPort: HD-15, OUT: 6-position barrier strip Load Protection On/off muting, DC-fault power supply protection Controls Front: AC switch, Rear: DIP switch, clip limiter on/off, LF filter on/off, LF filter freq select Power Requirements 100, 120, 230 Vac, 50-60 Hz Net Weight 21 lb (9.5 kg) Shipping Weight 27 lbs Dimensions (W x H x D) 19" (48.3 cm) x 3.5" (8.9 cm) x 14" (35.6 cm) - Reviews
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