C20:8X - Receiver Lab Gruppen - Free user manual and instructions
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| Product Type | Professional Audio Receiver / Amplifier |
| Model | C20:8X |
| Brand | Lab Gruppen |
| Number of Channels | 8 |
| Output Power (per channel) | 200 W RMS into 4 ohms; 125 W RMS into 8 ohms |
| Amplifier Class | Class D |
| Frequency Response | 20 Hz – 20 kHz (±0.5 dB) |
| Total Harmonic Distortion (THD) | < 0.1% at 1 kHz |
| Input Sensitivity | 1.23 V (+4 dBu) for rated output |
| Input Impedance | 20 kΩ (balanced) |
| Signal-to-Noise Ratio | > 105 dB (A-weighted) |
| Input Connectors | XLR, Euroblock (combo) |
| Output Connectors | Binding posts (speakON compatible) |
| Power Supply | 100–240 V AC, 50/60 Hz (universal) |
| Dimensions (W x H x D) | 483 x 88 x 400 mm (19" x 3.5" x 15.7") |
| Weight | 12.7 kg (28 lbs) |
| Rack Mountable | Yes, 2U |
| Cooling | Variable speed fans, front-to-rear airflow |
| Protection Features | Short circuit, thermal overload, DC fault, infrasonic, ultrasonic |
| Maintenance | Clean exterior with dry cloth; do not use solvents. Ensure vents are dust-free. |
| Safety | Disconnect power before cleaning. Do not expose to moisture. Use grounded outlets. |
| Spare Parts & Repairability | Contact Lab Gruppen authorized service centers for replacements and repairs. |
| General Information | Professional-grade amplifier for permanent installation or tour use; includes powerCON connector. |
Frequently Asked Questions - C20:8X Lab Gruppen
What is the power output of the C20:8X per channel?
The C20:8X delivers 200 W RMS per channel into 4 ohms and 125 W RMS into 8 ohms.
How do I connect input sources to the C20:8X?
Use the XLR or Euroblock input connectors for balanced signals. Ensure proper pin wiring (pin 2 hot).
Can the C20:8X be bridged?
No, the C20:8X is not designed for bridge mode. It operates as an 8-channel amplifier only.
What is the recommended load impedance?
The amplifier is stable into loads of 4 ohms to 16 ohms per channel. Do not operate below 4 ohms.
Does the C20:8X have a standby mode?
Yes, it includes an auto standby function that activates after a period of no signal to save power.
How do I reset the protection mode?
Turn off the amplifier, disconnect the load, check for short circuits, wait 10 seconds, then power on again. If persist, consult manual.
What type of power cord does the C20:8X use?
It uses a powerCON connector (locking) for secure AC mains connection. A compatible cable is included.
Can the C20:8X be used in a 70V system?
No, it is a low-impedance amplifier not designed for constant-voltage (70V/100V) systems.
How do I clean the C20:8X?
Unplug the unit and wipe the exterior with a dry, lint-free cloth. Do not use liquids or solvents. Clean air vents regularly.
Where can I find the full user manual?
The manual is available for free download at notice-facile.com or the Lab Gruppen website in PDF format.
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USER MANUAL C20:8X Lab Gruppen
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Product information
Brand : Lab Gruppen
Model : C20:8X
Category : Receiver