Great for
• Auditoriums
• Performing Arts Centers
• Convention Centers
• Stadiums and Arenas
• Theme Parks
• Hotels
• Houses of Worship
• Restaurants
• Clubs
• Educational
• Establishments
• Boardrooms
• Museums
• Offices
• Shopping Malls
• Transportation Facilities
Specifications:
Number of Channels: 8
Peak Total Output all Channels Driven: 2000 W
Peak Output Voltage per Channel: 100V
Max Output Current per Channel: 8 Arms
Max Output Power All Channels Driven
16 Ohms: 250 W
8 Ohms: 250 W
4 Ohms: 250 W
2 Ohms: 125 W
Hi-Z per ch. (all ch.'s driven): 70 Vrms/ 100 V Peak: 250 W
Max Output Power Bridged
16 Ohms: 500 W
8 Ohms: 500 W
4 Ohms: 250 W
2 Ohms: Not Recommended
Bridged per ch 140 Vrms / 200 V Peak: 500 W
Performance
THD 20 Hz - 20 kHz at 1W: <0.1%
THD at 1 kHz and 1 dB Below Clipping: <0.05%
Signal to Noise Ratio: >112 dBA
Channel Separation (Crosstalk) at 1kHz: >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
Output Impedance @ 100 Hz: 48 mOhm
Gain, Sensitivity and Limiters
VPL, Selectable per ch: 100, 63, 45, 32 V
VPL, When Bridged: 200, 126, 90, 64 V
Voltage Peak Limiter Mode (per ch.): Hard / Soft
Amplifier Gain Selectable (all channels) - Rear-Panel Switches: 29, 32, 35, 38 dB
Default Gain: 32 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, C+D, E+F, G+H, inputs A, C, E, G are signal source
High Pass Filter: Fixed at 35 Hz, Switchable per Channel
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
General Purpose Outputs (GPO): Contact Closure Types, 2-pole Phoenix
General Purpose Inputs (GPI): Contact Closure types, 2-pole Phoenix
Front-Panel User Interface
Common: NomadLink Network; Power Average Limiter (PAL); Power on
Per Channel: Signal present / High-impedance; Voltage Peak Limiter (VPL); Current Peak Limiter (CPL): Very High Frequency (VHF); High temperature; Fault; Mute
Power
Operating voltage, 230 V / 115 V Nominal: Universal Power Supply 65-265 V
Minimum Power-up Voltage, 230 V / 115 V: 80 V
Power Average Limiter (PAL): Yes
Power Factor Correction (PFC): Yes
Soft-start / Inrush Current Draw: Yes / Max. 5 A
Mains Connector: IEC Inlet
Dimensions
Dimensions: W: 483 mm (19"), H: 88 mm (2 U), D: 343 mm (13.5")
Weight
Weight: 8.5 kg (18.75 lbs.)
DISC Lab Gruppen C20:8X Amplifier Overview
Lab Gruppen
The Lab Gruppen C 20:8X is a 2u spaced, eight channel amplifier designed for a range of installation requirements. The C20:8X is the most powerful in the range delivering 8 x 250W at 4 ohms, 8 ohms and 16 ohms or 70 Vrm; 500W at 100Vrms available in bridge mode. The amplifier features configurable voltage peak limiters, an efficient cooling system and a universal power supply. The compact and lightweight Lab Gruppen C Series 20:8X is the perfect amplifier for any installation application with lower power output requirements.
Product Ref: 56808
Full Description
Like the other 4 CX models within the C series, the C20:8X is specifically designed to suit installation applications with lower power output requirements. Like the other higher power C series models, the CX have the same lightweight 2U chassis, however they are available in 4 and 8 channel versions for greater channel density and improved flexibility for installations. The amplifier can adapt to a variety of different load conditions and each channel has its own configurable Voltage Peak Limiter (VPL) to optimise the output of the loudspeaker load. The VPL works alongside the adjustable input gain to maximise headroom.
Lab Gruppen C Series
The Lab Gruppen C series of 4 and 8 channel amplifiers provides the solid foundation of install-dedicated amplifiers, with innovative features that make it perfect for the modern installation AV market. The C series is incredibly versatile, reliable and offer superb sound quality.
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