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  • Crest Audio

Crest Audio – ProTour Series

The company’s Class D-based amplification products are engineered to meet the demands of portable and fixed installation audio systems. The company’s Class D-based amplification products are engineered to meet the demands of portable and fixed installation audio systems. Crest Audio, part of the Peavey Electronics family of brands, says the ProTour line of amplifiers includes a choice of four models. Some of the options built into ProTour line of amps include a powerful DSP engine with sampling rates as high as 24-bit/96kHz and high-performance 24-bit analog-to-digital (A/D) and digital-to-analog (D/A) converters. Crest Audio explains that through the amplifiers’ internal DSP options, professional integrators have the ability to configure and optimize audio systems. DSP-based configuration options the amps offer include IR HP/LP crossover filters, RMS compressor, parametric equalization (EQ), alignment delays, and white and pink noise generators. At the heart of the ProTour line of amplifiers is a switch-mode power supply and Class D circuit that incorporates full-bandwidth PWM modulators that facilitate the amps’ operation with built-in circuit protection. The amps’ clip/limiter function provides output monitoring to prevent speaker damage with “gentle” gain reduction at clipping thresholds, as well as heat dissipation and overheat protection. Other options built into the amplifiers include user defined parameters, source input selection and loadable presets via the amps’ front-panel LCD screens, and Dante digital audio modules that enable primary and redundant network connectivity with the ability to monitor the products. The Crest Audio line of ProTour Amplifiers offer a choice of these models:
  • ProTour 8004d: 4-channel amp with 2,000 watts per channel into 4 ohms or 70/100-volt direct drive
  • ProTour 5002d: 2-channel amp with 2,500 watts per channel into 4 ohms
  • ProTour 4004d: 4-channel amp with 1,000 watts per channel into 4 ohms
  • ProTour 3003d: 3-channel amp with 1,000 watts per channel into 4 ohms
    Amplifiers
kling-freitag-d-120-4_500px|kling-freitag-d-120-4_500px
  • Kling & Freitag

Kling & Freitag – D 120:4

The K&F D80:4, K&F D120:4 and K&F D200:4 are mainly suitable for the installation field. These models cover different performance classes and come with a variety of innovations. RPM (rational power management) provides the flexibility to assign different power to each of the four output channels - this removes the need for a bridge operation later on. Other features include PFC (power factor correction), universal power adapters and various inputs - Dante (primary and secondary), AES and analogue. Based on the newly developed Lake core modules and exclusive K&F module pre-sets, the high-performance power amps that are fitted with red front panels will be able to operate all standard K&F systems in future. 
    Amplifiers
Voltera_D_4800.4
  • Biamp

Voltera – D-4800-4M

Audio DSP and amplified loudspeaker controller; 4 channels sharing 4800W with Dante and AVB. Key Features
  • Powerful onboard DSP with ample headroom for large systems – the equivalent of a TesiraFORTÉ for Tesira custom processing and hosting of expanders
  • 4 class D channels sharing 4800 watts
  • Power sharing provides up to 75% of total power or 3600 W through any single channel
  • High peak voltage output capability: 237 Vpk
  • Each channel can drive low impedance (2.7, 4, 8, and 16 ohm), 70V, or 100V
  • Each model supports AVB, Dante, and AES67
  • Accurate raised cosine EQ for the entire frequency band
  • Group-controlled raised cosine EQ making it attractive for tuning large systems
  • Comprehensive amplifier limiter scheme avoids protective mutes and shutdowns
  • Processor can be sustained through POE – no main power required and no reboots
  • Support for failover-to-analog from networked audio input operation
  • 5-year warranty
  • Compliant with the US Trade Agreement Act (TAA)
  • Biamp Workplace Ready
    Amplifiers
  • 48kHz-96kHz
  • AES67 Enabled