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The C 88: 4 is the new flagship of the C series and the most powerful 4-channel installation amplifier that has ever been built! It delivers astonishing 4 × 2200 W on 2 ohms. The C 88: 4 is the new flagship of the C series and the most powerful 4-channel single-frame installation amplifier that has ever been built! With astonishing 4 × 2200 W at 2 ohms, this amplifier is powerful enough for the most demanding installed sound applications, including larger subwoofers, large array systems and wider multi-power levels/impedance applications. The C 88: 4 is accommodated in a compact 2he housing and sets new standards for extreme performance and flexibility in an amplifier suitable for installation. The amplifiers of the C series are uniquely able to adapt to a variety of demanding load conditions. Each channel has an individually configurable Voltage Peak Limmer (VPL ™), with which the output can be optimized for each loudspeaker load-whether a massive subwoofer or a number of small 100/70 V speakers. VPL works in combination with the adjustable input reinforcement to reach maximum headroom regardless of input levels or output impedances. All devices of the C series are already prepared for the Nomadlink® network at the factory. With nomadlink, the most important amplifier parameters are displayed via the DevicControl software, and the remote control of the channel stem control and switching on and off is efficiently via the network. Features. 8, 800 watts, 4-channel amplifier with up to 2, 200 watts of power per channel and nomadlink network for monitoring and control. Selectable reinforcements as well as scalable tension leaders (VPL) and bridge operation enable an individual configuration for each application. Proven and reliable class TD output level delivers class-A/B audio quality with class-D efficiency. Regular switching power supply (R. SMPS) ensures constant output performance at any time. Intuitive submissive software monitors and controls important functions via the nomadlink network. Comprehensive protection system with electricity, voltage, DC, temperature, short-circuit and idle warnings. Efficient intercooler copper cooling system derives more heat and thus ensures a longer top performance. Removable dust filter grille for improved air circulation. Compact and robust 2he rack mount housing saves space for installation applications. Technical data. Number of channels 4. Total tip performance of all operated channels 8800 W. Output top voltage per channel 141 V. Max. Output current per channel 35. 5 a RMS. Max. Output power (all channels operated): 625 W (16 Ohm) / 1250 W (8 Ohm) / 2100 W (4 Ohm) / 2200 W (2 Ohm / Hi-Z 70 V) / 1700 W (HI-Z 100 V). Max. Output power (bridged): 2500 W (16 Ohm) / 4200 W (8 Ohm) / 4600 W (4 Ohm) / 4400 W (HI-Z 140 V). Signal rush ratio:> 112 DBA. Channel separation (crosstalk) at 1 kHz:> 70 db. Frequency response (1 W at 8 Ohm) +0/-3 dB: 6. 8 Hz - 34 kHz. Input impedance: 20 kohm. Equality suppression (CMR):> 50 dB, 20 Hz up to 20 kHz. Output impedance @ 100 Hz: 30 MOHM. Voltage leaders (VPL) Selectable: 141, 118, 100, 85, 71, 59, 50, 42 V. Voltage leaders (VPL) When bridging: 282, 236, 200, 170, 142, 118, 100, 84 V. Voltage limer mode: hard / soft. Reinforcement factor selectable (all channels): 23, 26, 29, 32, 35, 38, 41, 44 dB. Standard reinforcement 35 db. The level setting (per channel) potentiometer on the front, 21 positions, resting from -inf to 0 dB, hidden behind safety panel/dust filter grille. Inputs: 4x Phoenix 3pin. Outputs: Barrier Strip 2-pin screw terminals. Exit bridge mode: A+B and/or C+D, inputs A and C are input source. Nomadlink network: on board, 2 x RJ45 connections. Intelligent fan (on/off): Yes, depending on the presence of an output signal. Electricity on/off and remote activation on/off: individual switches on the front panel. Cooling: two fans, air flow from front to back, temperature -controlled speed. Anzeiger: Nomadlink Network;Power Average Limiters (PAL) 5);Power on;Signal Present / High Impedance;-10 dB and -4 dB output signal;Voltage Peak Limit (VPL);Current Peak Limit. (CPL);Very high frequency (VHF);High temperature;Disturbance;Motorator. Operating voltage, 230 V / 115 V nominal: 130 -265 / 65-135 V 4). Minimum switch -on voltage, 230 V / 115 V: 171 V / 85 V. Performance value limiter (PAL): Yes. Network connection: 230 V CE: 16 A, CEE7;115 V ETL: 30 A Twist Lock. Dimensions (BXTXH): 483 x 343 x 88 mm (19 ", 2 HE). Weight: 12 kg. Only unpacked demote part without signs of use.