High-Power Class D Power Amplifiers with Integrated DSP and Dante Networkin
The new Crest Audio ProTour Series power amplifiers are highly flexible, powerful and intelligent multi-channel amplifiers delivering a variety of channel configurations and power levels to satisfy the most demanding portable and fixed installation system requirements.The ProTour Series provides high output power, onboard DSP , USB/Ethernet for monitoring and control and DanteTM network connectivityfor seamless inclusion of two, three or four channels of efficient Class D power amplification into today’s most advanced audio systems.The ProTour Series includes a highly efficient Switch Mode Power Supply, which provides power to the output stages. The output stages utilize Class D power modules with full bandwith PWM modulators to obtain ultra low distortion, high efficiency and circuit protection. utilize Class D power modules with full bandwith PWM modulators to obtain ultra low distortion, high efficiency and circuit protection. The Clip/Limiter function provides output monitoring to prevent speaker damage with gentle gain reduction at clip threshold, in addition to the efficient heat dissipation system and Over-Heat protection, ensuring uncompromised reliability.The ProTour Series are more than just power amplifiers. Each models is also a capable and sophisticated loudspeaker processor, thanks to its powerful internal DSP engine sampling at 96 kHz/24 bit (96 bits precision for the internal intermediate processes) and high performance 24bit AD/DA converters. Each models offers up to four channels of slope up to 48dB/Octave. IIR HP/LP Crossover filters, or up to 512 taps 24bit AD/DA converters. Each models offers up to four channels of slope up to 48dB/Octave. IIR HP/LP Crossover filters, or up to 512 taps FIR filters (FIR coefficients can be imported as a .txt file from the external application), RMS Compressor, Parametric EQs , Alignment Delay and an internal white/pink noise generator.Each ProTour Series amp provides 12dB of processing headroom.Users can set parameters, select input source and load presets with the convenient front panel touchscreen LCD front panel. An opƟonal DanteTM module provides digital audio transport connection
| Typ | Channel | Watt per Channel @8Ohm | Watt per Channel @4Ohm | Watt per Channel @2Ohm |
| ProTour 3003d | 3 | 700W | 1.000W | – |
| ProTour 4004d | 4 | 700W | 1.000W | – |
| ProTour 5002d | 2 | 1.550W | 2.000W | – |
| ProTour 8004d | 4 | 1.000W | 2.000W | – |