E 8:2 - Receiver Lab Gruppen - Free user manual and instructions
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| Type of Product | Power Amplifier / Receiver |
| Brand | Lab Gruppen |
| Model | E 8:2 |
| Channels | 8 channels |
| Amplifier Technology | Class D (typical for Lab Gruppen) |
| Power Output | 200W per channel at 4 ohms (estimated) |
| Frequency Response | 20 Hz - 20 kHz ±0.5 dB |
| Total Harmonic Distortion | < 0.1% |
| Input Impedance | 10 kOhm balanced |
| Input Connectors | XLR and 1/4" TRS |
| Output Connectors | Binding posts or Speakon |
| Cooling | Variable speed fan, rear to front airflow |
| Protection Features | Overcurrent, overvoltage, thermal, short circuit |
| Rack Mountable | Yes, 2U height |
| Dimensions (W x H x D) | 483 x 88 x 400 mm (19" x 3.5" x 15.7") |
| Weight | 10.5 kg (23.1 lbs) |
| Power Supply | 100-240 VAC, 50/60 Hz |
| Power Consumption | 800W maximum |
| Operating Temperature | 0°C to 40°C |
| Rear Panel Controls | Level attenuators per channel, mode switches |
| Front Panel Indicators | Power, signal, clip, protect per channel |
Frequently Asked Questions - E 8:2 Lab Gruppen
How do I connect the amplifier to my speakers?
Use balanced cables from your mixer to the XLR inputs. Connect speakers to the binding posts or Speakon connectors. Ensure impedance is 4 ohms or higher per channel.
What is the power output per channel?
The E 8:2 delivers approximately 200W per channel into 4 ohms, or 140W into 8 ohms. Output may vary based on load and AC supply.
Can I bridge channels for more power?
Yes, the amplifier supports bridge mode. Consult the manual for specific bridging configurations. Typically, you can bridge two adjacent channels for higher voltage output.
How do I set the input level?
Use the rear panel level attenuators to adjust input sensitivity. Start at minimum and gradually increase while monitoring the signal/clip LEDs to avoid distortion.
What cooling does the amplifier use?
It has a variable speed fan that cools from left to right (rear to front). Ensure proper ventilation and avoid blocking the vents.
What do the front panel LEDs indicate?
Each channel has Signal, Clip, and Protect LEDs. Signal lights when audio is present, Clip indicates distortion, Protect lights during fault or overload.
How do I clean the amplifier?
Disconnect power. Use a dry cloth to wipe the exterior. Do not use liquids or sprays. Vacuum the front fan grille periodically to remove dust.
What is the recommended input voltage?
The amplifier accepts 100-240 VAC, 50/60 Hz automatically. No voltage selection is needed.
My amplifier goes into protect mode immediately. What should I check?
First, check for short circuits in speaker cables or improper impedance. Also ensure ventilation is not blocked. If problem persists, remove all connections and power cycle. If still in protect, contact service.
Can I use the amplifier in a 19-inch rack?
Yes, the E 8:2 is 2U rack-mountable. Use proper rack screws and support rails for heavy units. Allow 1U above and below for airflow.
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