The C 88:4 is the New Flagship of the C Series and is the Most Powerful Single Frame, 4-Channel Installation Amplifier Ever Built! Delivering an Amazing 4 × 2200 W at 2 OHMS.
The C 88:4 is the new flagship of the C Series and is the most powerful single frame, 4-channel installation amplifier ever built! Delivering an amazing 4 × 2200 W at 2 ohms, this amplifier is powerful enough for the most demanding of installed sound applications including, larger sub-woofers, large array systems and broader multi-power-level/impedance applications. Packaged in a compact 2U chassis, the C 88:4 sets a new benchmark for extreme power and flexibility in an installation-dedicated amplifier.
Features
- 8,800 Watt, 4-channel amplifier with up to 2,200 Watts output per channel and NomadLink network for monitoring and control
- Selectable gain plus scalable Voltage Peak Limiter (VPL) and bridge-mode operation allow custom configuration for any application
- 4 x 2,200 Watts into 2 Ohms, 4 x 2,100 Watts into 4 Ohms, 4 x 1,250 Watts into 8 Ohms, 4 x 650 Watts into 16 Ohms, 4 x 2,200 Watts into Hi-Z 70 V, 4 x 1,700 Watts into Hi-Z 100 V
- Proven and reliable Class-TD output stage delivers Class-A/B audio quality with Class-D efficiency
- Regulated Switch Mode Power Supply (R.SMPS) ensures constant power output at all times
- Intuitive DeviceControl software monitors and controls key functions via the NomadLink network
- Comprehensive protection scheme including current, voltage, DC, temperature, short circuit and open load warnings
- Efficient Intercooler copper cooling system dissipates more heat for extended peak output
- 4 x balanced analog audio inputs on 3-pin Phoenix* connectors
- 4 x barrier strip 2-pole screw terminal output connectors
- Removable dust filter grille for increased air circulation
- Compact and durable 2U rackmount chassis saves space in install applications
Specifications
General
Number of amplifier channels | 4 |
Peak total output all channels driven | 8800 W |
Peak output voltage per channel | 141 V |
Max output current per channel | 35.5 Arms |
Max output power (all channels driven)
16 ohms | 650 W |
8 ohms | 1250 W |
4 ohms | 2100 W |
2 ohms | 2200 W |
Hi-Z per ch. (all ch.’s driven): 70 Vrms / 100 V peak | 2200 W |
Max output power bridged
16 ohms | 2500 W |
8 ohms | 4200 W |
4 ohms | 4600 W |
2 ohms | Not recommended 1 |
Bridged per ch.: 70 Vrms / 100 V peak | Not recommended 1 |
Performance
THD 20 Hz – 20 kHz at 1 W | <0.1% |
THD at 1 kHz and 1 dB below clipping | <0.05% |
Signal to Noise Ratio | >112 dBA |
Channel separation (Crosstalk) at 1 kHz | >70 dB |
Frequency response (1 W into 8 ohms) + 0 / -3 dB | 6.8 Hz – 34 kHz |
Input impedance | 20 kOhm |
Common Mode Rejection (CMR) | >50 dB, 20 Hz – 20 kHz |
Gain, Sensitivity and Limiters
VPL, selectable per ch 2 | 141, 118, 100, 85, 71, 59, 50, 42 V |
VPL, when bridged 2 3 | 282, 236, 200, 170, 142, 118, 100, 84 V |
Voltage Peak Limiter mode (per ch.) | Hard / Soft |
Amplifier gain selectable (all channels) – rear-panel switches 3 | 23, 26, 29, 32, 35, 38, 41, 44 dB |
Default gain | 35 dB |
Level adjustment (per channel) | Front-panel potentiometer, 21 position detented from -inf to |
Connectors and Buttons
Input connectors (per ch.) | 3-pin Phoenix, electronically balanced |
Output connectors (per ch.) | Barrier strip 2-pole screw terminals |
Output bridge mode | A+B and/or C+D, inputs A and C are input source |
NomadLink network | On board, 2 x RJ45 connectors IN and OUT |
Intelligent fans (on/off) | Yes, depending on presence of output signal |
Power | Individual switches on front panel |
Cooling | Two fans, front-rear airflow, temperature controlled speed |
Front-panel user interface
Common | NomadLink Network; Power Average Limiter (PAL)5; Power on |
Per channel | Signal present / High-impedance; -10 dB and -4 dB output signal;Voltage Peak Limiter (VPL); Current Peak Limiter (CPL): Very High Frequency (VHF); High temperature; Fault; Mute |
Power
Operating voltage, 230 V / 115 V nominal | 130-265 V / 65 -135 V 4 |
Minimum power-up voltage, 230 V / 115 V | 171 V / 85 V |
Power Average Limiter (PAL) 5 | Yes |
Power Factor Correction (PFC) | No |
Soft-start / Inrush Current Draw | Yes / max. 5 A |
Mains connector | 230 V CE: 16 A, CEE7; 115 V ETL: 30 A / NEMA 5-30P; C16:4: 15A / NEMA 5-15P |
Dimensions
Dimensions | W: 483 mm (19”), H: 88 mm (2 U), D: 343 mm (13.5”) |
Weight
Finish
Finish | Black painted steel chassis with gray painted steel front |
Approvals
Approvals | CE, ANSI/UL 60065 (ETL), CSA C22.2 NO. 60065, FCC |
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