Audio Centron CP8.1

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Audio Centron power amplifier provides a unique combination of power and audio performance, seamlessly integrating advanced DSP and network control, CP series multi-channel power amplifier, each channel power is between 400W and 2500W (bridge connection can reach 5000W) . The ultra-high power design of the power supply ensures that each channel can still operate at full power and high efficiency at 2 ohms. What is unusual is that these are not "instantaneous" "burst" or "peak" power figures. They are output by all channels, even under the same dense program signal. With the Audio Centron amplifier, there is no need for power matching between channels, and you can continue to use all power.


The CP series multi-channel power amplifier is the best choice for live sound reinforcement applications. The unique DSP provides the perfect combination of high power and unparalleled audio performance. The CP series represents an unparalleled advancement in power amplifier technology.


Audio Centron can do this, derived from the technical development level of the supplier's internal components and finely optimized design, providing 7% to 10% more efficiency than any competitive product. Obviously, these additional efficiency gains converted to energy are half of the energy wasted (heat). In addition to ensuring a large amount of power reserve, the high efficiency caused by reduced energy loss also keeps the sound pure in the most extreme use environment.


The difference is that the maximum power of each channel can be output for 2Ω, 4Ω and 8Ω constant resistance, and it can also be output for 25V, 75V and 100V constant voltage. This provides designers and integrators with unparalleled flexibility and cost-effectiveness.


Ethernet is used for remote control and monitoring, while the front panel allows full local control of all functions for challenging field environment optimization. Through the intuitive control of Audio Centron System Engineer PC software, many convenient and quick parameter settings are provided, such as flexible preset management, duplication mute group, gain, delay and EQ of the entire system.


The advanced 96khz DSP is fully integrated into the product and provides a unique array of truly useful functions. Because DSP's omni-directional algorithm is designed and manufactured by Audio Centron, it cannot be used on other manufacturers' products. For example, LIR linear phase divider filters are as simple to use as other traditional filters and have less time lag than FIR filters. There is also a powerful VX limiter set that can limit the peak value (Peak), root mean square (RMS) and stroke (Excursion). In addition, there are multi-segment restrictions for passive two-way frequency.


Features:


Eight-channel high-efficiency class D amplifier

Wide voltage switching power supply, light weight and high efficiency

Analog, AES3 and Dante™ digital audio network input

Comprehensive protection and monitoring functions

Adopting pure-sounding multi-channel Class D amplification technology

The unique high-precision 96kHz sampling rate ensures that the frequency response characteristics are still flat up to 40kHz

Ultra-high power density: 800-5,000W RMS total output power, 8 channel models are 2U height

The external circuit breaker protection (EBP) function can limit the current consumed by the power amplifier and prevent the circuit breaker from tripping

Advanced power amplification technology and DSP algorithm applying Linea Micro Detail (LMD) technology ensure industry-leading excellent sound quality.

Control scroll wheel, self-luminous buttons and graphical display provide a fast, intuitive and user-friendly control interface

High-speed and flexible network connection, supports DHCP, static IP and automatic IP acquisition, and can be directly connected to a computer without a router or switch

The powerful Drive Module concept changes the system control method from traditional device-centric to speaker-based control

Innovative Component Presets design, users can use each output channel for the drive channel of a specific speaker

12 clear global parameter setting groups

Unique VX limiter provides more precise dynamic control for passive 2-way speakers

All input and output channels are equipped with PEQ and FIR (FIR models only) filters

Unique LIR linear phase divider provides performance similar to FIR filter, but does not increase the time delay of the system

Linear phase system high-frequency EQ control provides perfect fusion of speaker beams

Innovative stroke control limiter with a user-adjustable high-pass filter, which can effectively prevent damage to the low-frequency driver

With transducer temperature control limiter for long-term overload

The overmodulation limiter is responsible for monitoring the amplitude of the transient signal, while limiting the peak energy and ensuring that the system has sufficient average power

Models supporting Dante protocol can realize automatic switching of Dante-analog or Dante-AES3 backup signal

Both input and output ports support analog and AES3 modes

Built-in high-performance "global voltage universal" switching power supply module


technical parameter:


Type Eight-channel Class D amplifier

Power output (*)

1250W to 2Ω

1250W to 4Ω

1250W to 8Ω

Each pair of channels bridges 2500W, 4Ω or 8Ω

CV line output (*)

625W, 25V line

1250W, 70V line

1250W, 100V line

Digital signal processing 96kHz / 48kHz DSP all inputs and outputs

Cooling dual variable speed fan, front and rear airflow

Maximum ambient temperature 40 °C (104 °F)

Audio input/output

Analog input/link (4 channels)

4 x female

4 x male Neutrik™ XLR

Analog input impedance 20kΩ balanced ground

Maximum analog input level + 20dBu

AES3 IN / link (2 CHANNELS) 1 x female, 1 x male Neutrik™ XLR, balanced

DANTE™ (4 channels) 2 x shielded RJ45, primary and secondary

Amplifier output 4 x Neutrik Speakon™ NL4

Audio performance

Dynamic Range

> 113dBA, analog input

> 114dBA AES / Dante™ input

Frequency response 7Hz-30kHz (-2.5dB point, 4Ω load)

Total harmonic distortion <0.05% typical @ 1kHz, 4Ω load

Conversion rate> 60V/microsecond

DAMPING FACTOR> 800 at amplifier output, ref 8Ω

Control and monitoring network

Protocol Ethernet

Control application Martin Audio VU-NET™

Digital signal processing

Sampling rate 96kHz (FIR filter is implemented as 48kHz)

Physical input

4 x analog

2 AES

4 x Dante™ inputs can be routed to four DSP drive modules

DRIVE MODULE INPUT DSP input signal routing, delay, gain, HPF, phase, mute

Equalizer: 2 x low shelf, 6 x PEQ/bandpass and FIR shelf filters

Drive module output DSP source, delay, gain, phase, mute, crossover filter, limiter

EQ: low shelf, 8 x PEQ/bandpass and shelf filter

power supply

TYPE high performance series resonance

AC input working range 85-240V ~ AC, 47-63Hz

Power inrush current 6A at 115V, 12A at 230V (maximum value <10ms)

Power connector Neutrik 32A Powercon™

physical

Dimensions (W) 482 x (H) 2U / 88mm x (D) 441mm

(W) 18.98 inches x (H) 2U / 3.46 inches x (D) 17.35 inches

(Includes handle and optional rear support)

Weight 12.5 kg (27.5 lb)