Crest Audio CA9 Power Amplifier

The Crest Audio CA9 Power Amplifier is a professional-grade amplifier designed for demanding audio environments such as live sound reinforcement, permanent installations, and touring applications. Part of the Crest Audio CA series, which is widely respected for its durability and superior sound performance, the CA9 is known for delivering clean, robust power with precision and reliability.

Key Features of the Crest Audio CA9 Power Amplifier:

• High Power Output: The CA9 delivers substantial power, providing 900 watts per channel at 4 ohms and 600 watts per channel at 8 ohms, making it suitable for mid- to large-scale sound systems.
• Class AB/H Topology: The amplifier uses a combination of Class AB and Class H circuitry to ensure both high-efficiency and pristine audio reproduction. This design reduces heat while maintaining excellent sound quality.
• Solid Build and Reliability: Built with rugged construction, the CA9 is designed to handle the rigors of road use and continuous operation, making it ideal for both touring sound and fixed installations in venues such as theaters, houses of worship, and nightclubs.
• Advanced Protection Circuitry: The amplifier is equipped with comprehensive protection systems, including over-temperature, DC voltage, short-circuit, and thermal protection, ensuring the safety and longevity of both the amplifier and the connected speakers.
• Toroidal Power Transformer: The heavy-duty toroidal transformer ensures a consistent, reliable power supply, providing ample headroom for demanding audio passages without distortion or power loss.
• Balanced XLR Inputs: The CA9 includes balanced XLR inputs for low-noise signal transfer, making it suitable for integration with professional audio systems.
• Multiple Operating Modes: The amplifier can operate in both stereo and bridged-mono modes, offering flexibility for different speaker setups and audio system configurations.
• Efficient Cooling System: Equipped with variable-speed fans, the cooling system of the CA9 adjusts according to the operating temperature, ensuring the amplifier remains cool even during long sessions at high power levels.

Applications:

The Crest Audio CA9 is well-suited for mid-sized venues and installations where high power and audio clarity are crucial. It’s commonly used for live performances, auditoriums, nightclubs, and places of worship. The CA9’s rugged design and high output also make it a popular choice for portable sound systems in touring setups.

Specifications:

• Power Output:
  • 600 watts per channel at 8 ohms
  • 900 watts per channel at 4 ohms
  • 2000 watts bridged at 4 ohms
• Frequency Response: 20 Hz to 20 kHz (+0/-0.2 dB)
• Total Harmonic Distortion (THD): Less than 0.05% at rated power
• Signal-to-Noise Ratio: >105 dB
• Input Sensitivity: Selectable (0.775V, 1.4V)
• Dimensions: 3.5″ (8.9 cm) x 19″ (48.3 cm) x 15.25″ (38.7 cm)
• Weight: 41 lbs (18.6 kg)