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LAB GRUPPEN C48:4 NomadLink Network power amplifier

System installers in search of a powerful, flexible amplifier with Hi-Z and Lo-Z capabilities should check out the Lab.Gruppen C 48:4, a 2 RU, four-channel 4800W amplifier that’s designed to power anything from one massive subwoofer or a series of small 100V loudspeakers. The amplifier is well suited for retail, hospitality, night clubs, bars, performing arts centers, convention centers, hotels, theme parks, houses of worship, and more. The C 48:4 utilizes Class-TD technology, which delivers the exceptional efficiency of Class-D while retaining the superior sonic quality of the best Class-A/-B output stage.

The C 48:4 amplifier is ready for the NomadLink network right out of the box. With NomadLink, key amplifier parameters are displayed via DeviceControl software, and remote control of channel mutes and power on/off is under network control. (NomadLink requires the separate NLB 60E NomadLink Bridge & Network Controller.) The rear panel features four 3-pin Phoenix connector inputs and four 2-pin barrier strip outputs. A power cord is included.

Benefits
  • 4800W, 4-channel amplifier with up to 1200W 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 600W into 2 ohms, 4 x 1200W into 4 ohms, 4 x 1000W into 8 ohms, 4 x 625W into 16 ohms, 4 x 1100W into Hi-Z 70V, 4 x 900W into Hi-Z 100V
  • 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 balanced analog audio inputs on 3-pin Phoenix connectors
  • 4 barrier strip 2-pole screw terminal output connectors
  • Removable dust filter grille for increased air circulation
  • Compact and durable 2 RU rackmount chassis saves space in install applications
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Technical Specifications
Overview & Power Amplification
Form Factor / Type Rackmount
Number of Amplifier Channels 4
Amplifier Class Class-D
Load Impedance / Voltage Support 2 / 4 / 8 / 16 Ohms
70 / 100 V
Power Rating per Channel 4x 600 W Peak at 2 Ohms
4x 1200 W Peak at 4 Ohms
4x 1000 W Peak at 8 Ohms
4x 625 W Peak at 16 Ohms
4x 1100 W Peak at 70 V
4x 900 W Peak at 100 V
Channel Bridging & Power Sharing 2x 1200 W Peak Bridged at 4 Ohms
2x 2400 W Peak Bridged at 8 Ohms
2x 2000 W Peak Bridged at 16 Ohms
2x 1800 W Peak Bridged at 140 V
Performance
Frequency Response 7 Hz to 34 kHz +3 dB (1 W into 8 Ohms)
SNR / Noise > 112 dBA SNR
THD / Distortion ≤ 0.05% THD (1 kHz, 1 dB Below Clipping)
≤ 0.1% THD (20 Hz to 20 kHz at 1 W into 8 Ohms)
Crosstalk > 70 dB
Protections Reactive / Mismatched Load, Short Circuit, Thermal, Undervoltage
Signal Processing
DSP No
Audio Delay No
Dynamics Limiter
Connectivity
Analog Audio I/O Inputs: 4x Block 3-Pin Balanced Line Input
Outputs: 4x Barrier Strip Speaker Output
Digital Audio I/O No
Network I/O 2x etherCON / RJ45 Ethernet
USB I/O No
Phantom Power No
Wireless No
Power Requirements
Input Power 115 to 230 VAC, 50 / 60 Hz
AC Power Connector 1x Hubbell 30 A / NEMA 5-20 (Locking)
Current Consumption 16 to 20 A
Physical Properties & Construction
Display Single-LED Indicators Only
Rackmount Size 2 U
Cooling Fan (Variable Speed)
Certifications ANSI, CE, CSA, ETL, FCC, UL-60065
Dimensions 19 x 13.5 x 3.5″ / 48.3 x 34.3 x 8.8 cm
Weight 26.4 lb / 12 kg


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