D 200:4T - Receiver Lab Gruppen - Free user manual and instructions
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| Product Type | 4-Channel Amplifier (Receiver) |
| Brand | Lab Gruppen |
| Model | D 200:4T |
| Number of Channels | 4 |
| Output Power per Channel (4Ω) | 200 W RMS |
| Total Output Power (4Ω) | 800 W RMS |
| Frequency Response | 20 Hz - 20 kHz ±0.5 dB |
| Input Impedance | 20 kΩ (balanced) |
| Dimensions (W x H x D) | 483 x 44 x 300 mm (19" rack, 1U) |
| Weight | 5.2 kg |
| Power Supply | 100-240 V AC, 50-60 Hz |
| Power Consumption (Standby) | < 0.5 W |
| Power Consumption (Max) | 1200 W |
| Cooling | Variable speed fan, front-to-back airflow |
| Protection | Short circuit, thermal, overcurrent, DC offset |
| Amplifier Class | Class D |
| Input Connectors | XLR female (balanced) |
| Output Connectors | Neutrik SpeakON NL4 |
| Bridge Mode | Not available (discrete channels only) |
| Recommended Use | Professional audio, installation, live sound |
| Included Accessories | Power cord, rack ears, user manual |
| Compliance | CE, UL, RoHS |
Frequently Asked Questions - D 200:4T Lab Gruppen
How do I connect speakers to the D 200:4T?
Use Neutrik SpeakON NL4 connectors. Wire pin 1+ for positive and pin 1- for negative. For bridged operation, refer to the manual but this model does not support bridging.
What is the minimum impedance per channel?
The amplifier is rated for 4Ω per channel. Using lower impedance may cause overheating or protection shutdown.
Can I use this amplifier for 70V/100V systems?
No, the D 200:4T is a low-impedance amplifier designed for 4Ω loads. It is not suitable for constant-voltage distributed systems.
How do I reduce fan noise?
The fan speed adjusts automatically based on temperature. Ensure adequate ventilation and avoid blocking the front or rear vents. Rack mounting may help.
How to clean the amplifier?
Disconnect power. Use a dry, soft cloth to wipe the exterior. Do not use liquids or aerosols. Vacuum the front and rear grilles to remove dust.
What is the power consumption in standby mode?
Standby consumption is less than 0.5W, making it energy-efficient for installations that run continuously.
Can I daisy-chain multiple amplifiers?
Yes, the balanced XLR inputs allow loop-through. Connect the signal output from one amplifier's parallel output to the next amplifier's input.
What should I do if the amplifier goes into protection mode?
Check for shorted speaker cables, overheating, or overdriving the amplifier. Turn off the unit, let it cool for 10 minutes, and rectify the issue before restarting.
How do I interpret the front panel LEDs?
- Power LED: Blue when on. - Signal LED: Green when audio is present. - Limit LED: Yellow when output is being limited. - Protect LED: Red if a fault is detected.
Is the D 200:4T rack-mountable?
Yes, it occupies 1U in a standard 19-inch rack. Included rack ears allow front-mounting. Ensure proper support to avoid sagging.
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USER MANUAL D 200:4T Lab Gruppen
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Product information
Brand : Lab Gruppen
Model : D 200:4T
Category : Receiver