DISC Lab Gruppen C28:4 4x700w Amplifier

Full Description

Like all the models within the C series, the C28:4 is capable of adapting to a wide variety of load demands, as well as having individual configurable Voltage Peak Limiter (VPL). This enables the C28:4 output to be optimised for any loudspeaker load as well as working with adjustable input gain to achieve maximum headroom.

Lab Gruppen C Series

The Lab Gruppen C series of 4 and 8 channel amplifiers provide the solid foundation of install-dedicated amplifiers, with innovative features perfect for the modern installation AV market. The C series is incredibly versatile, reliable and offer superb sound quality.

Specifications

General

• Number of Channels: 4
• Peak Total Output all Channels Driven: 2800 W
• Peak Output Voltage per Channel: 141V
• Max Output Current per Channel: 12 Arms

Max Output Power All Channels Driven

• 16 Ohms: 600 W
• 8 Ohms: 700 W
• 4 Ohms: 700 W
• 2 Ohms: 300 W
• Hi-Z per ch. (all ch.'s driven): 70 Vrms/ 100 V Peak: 700 W

Max Output Power Bridged

• 16 Ohms: 1400 W
• 8 Ohms: 1200 W
• 4 Ohms: 600 W
• 2 Ohms: Not Recommended
• Bridged per ch 140 Vrms / 200 V Peak: 1400 W

• 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: 30 mOhm

Gain, Sensitivity and Limiters

• VPL, Selectable per ch: 141, 118, 100, 85, 71, 59, 50, 42 V
• VPL, When Bridged: 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: 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

• 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 signal 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

• Common: NomadLink Network; Power Average Limiter (PAL); 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

• Operating voltage, 230 V / 115 V Nominal: 130-265 V / 65-135 V
• Minimum Power-up Voltage, 230 V / 115 V: 171 V / 85 V
• Power Average Limiter (PAL): 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: 20 A / NEMA 5-20P; C16:4: 15A/NEMA 5-15P

• Dimensions: W: 483 mm (19"), H: 88 mm (2 U), D: 343 mm (13.5")

Weight

• Weight: 12 kg (26.4 lbs.)

• Finish: Black Painted Steel Chassis with Gray Painted Steel Front

• Approvals: CE, ANSI/UL 60065 (ETL), CSA C22.2 NO. 60065, FCC