AudioControl LC-4.800 User Manual

1. Inleiding

Welcome to the user manual for the AudioControl LC-4.800 Multi-Channel 800 Watt RMS High Power Car Audio Ampverliezer. Dit amplifier is designed to provide exceptional audio performance and control for your car audio system, whether integrating with an aftermarket or factory stereo.

The LC-4.800 delivers 125 watts RMS per channel and can be bridged to provide 400 watts per channel, ensuring powerful and clear sound reproduction. It features advanced technologies like AccuBASS for enhanced low-frequency response and MILC (Maximum Input Level Control) for optimal signal integrity.

2. Belangrijkste kenmerken

Vermogen: 125 watts RMS x 4 channels at 4 ohms, 200 watts RMS x 4 channels at 2 ohms, 400 watts RMS x 2 channels bridged at 4 ohms.
AccuBASS Circuitry: Provides improved bass response, especially when integrating with factory audio systems that reduce bass at higher volumes.
MILC (Maximum Input Level Control): LED indicators for optimal signal flow and clip detection, preventing distortion.
GTO™ Signal Sense: Automatic turn-on when a signal is detected from speaker-level inputs.
Flexibele invoer: Six active speaker-level inputs and line-level RCA inputs for versatile connectivity.
Verstelbare kruisverbindingen: Highly adjustable high-pass and low-pass filters for precise sound tuning.
Kanaaloptelling: Accommodates separate bass, midrange, and treble signals from complex factory systems.
Optionele afstandsbediening: Compatible with the ACR-1 wired remote for volume control.

3. Product voorbijview

Bovenkant view of the AudioControl LC-4.800 amplifier, showing controls and input/output labels. — **Figuur 3.1:** Bovenkant view of the LC-4.800 amplifier, highlighting the control panel with input/output labels, gain adjustments, and crossover settings. This view shows the overall layout and heat sink fins.

Schuine achterkant view of the AudioControl LC-4.800 amplifier, showing power terminals, RCA inputs, and speaker outputs. — **Figuur 3.2:** Schuine achterkant view of the LC-4.800 amplifier, displaying the power input terminals, remote turn-on, ground connections, RCA line-level inputs, speaker-level inputs, and speaker output terminals. Fuses are also visible.

Kant view of the AudioControl LC-4.800 amplifier, showing the heat sink design. — **Figuur 3.3:** Kant view of the LC-4.800 amplifier, emphasizing the robust heat sink design for efficient thermal management.

Achterpaneel view of the AudioControl LC-4.800 amplifier, detailing all connection ports. — **Figuur 3.4:** Gedetailleerd achterpaneel view of the LC-4.800 amplifier, showing all connection ports including fuses, power/remote/ground terminals, line-level inputs, line outputs, speaker-level inputs, remote level control port, and speaker outputs.

Opmerking: Op basis van de verstrekte gegevens waren er geen officiële productvideo's beschikbaar om in te sluiten.

4. Installatie en installatie

4.1 Veiligheidsmaatregelen

Disconnect the vehicle's battery before beginning any installation.
Zorg voor een goede aarding om elektrische problemen te voorkomen.
Use appropriate gauge wiring for power, ground, and speaker connections.
Monteer de amplifier securely in a well-ventilated area, away from heat sources and moisture.

4.2 bedradingsverbindingen

The LC-4.800 offers flexible input options for both line-level (RCA) and speaker-level signals. Refer to Figure 3.4 for a visual guide to the connection panel.

Stroomaansluiting: Connect the +12V terminal to the vehicle's positive battery terminal via an appropriate fuse (not supplied).
Grond connectie: Connect the Ground terminal to a clean, bare metal chassis point in the vehicle.
Op afstand inschakelen: Connect the Remote terminal to the head unit's remote output or use the GTO™ Signal Sense feature.
Ingangssignalen:
- Line-Level Inputs (RCA): Connect your head unit's RCA outputs to the Front/Left and Rear/Right RCA inputs on the ampverliezer.
- Luidsprekerniveau-ingangen: For factory stereos, connect the vehicle's speaker wires directly to the Speaker Level Inputs. The amplifier can sum signals if needed.
Luidsprekeruitgangen: Connect your speakers to the Speaker Outputs, observing correct polarity. The amplifier supports 4-channel stereo or 2-channel bridged configurations.
Optional ACR-1 Remote: If using, connect the ACR-1 remote to the dedicated Remote Level Control port.

Opmerking: For optimal performance and to prevent distortion, it is recommended to use wire ferrules on speaker terminals for a cleaner and more secure connection.

5. Bediening van de Ampverliezer

5.1 Initial Power-Up and Gain Setting

After all connections are made, reconnect the vehicle's battery. The amplifier should power on. The MILC™ (Maximum Input Level Control) LEDs are crucial for setting proper gain levels.

Turn your head unit volume up to about 75% of its maximum.
Slowly increase the gain controls on the LC-4.800 for each channel until the corresponding MILC™ LED just begins to flicker or illuminate.
Once the LED flickers, back off the gain slightly until the LED is off. This indicates the maximum clean input signal level, preventing clipping and distortion.

Belangrijk: Setting gains correctly is vital for sound quality and amplifier longevity. The MILC™ LEDs provide an accurate visual indicator of clipping.

5.2 Crossover Adjustments

The LC-4.800 features adjustable crossover networks to optimize sound for your specific speakers.

Hoogdoorlaatfilter (HPF): Used for full-range speakers to prevent low frequencies from reaching them, improving clarity and power handling. Adjust the frequency knob to the desired cutoff.
Laagdoorlaatfilter (LPF): Used for subwoofers to allow only low frequencies to pass through. Adjust the frequency knob to the desired cutoff.
Banddoorlaatfilter (BPF): Allows a specific range of frequencies to pass through, useful for certain mid-range speaker setups.

Experiment with these settings to achieve the best sound balance for your system. Consult your speaker specifications for recommended crossover points.

5.3 AccuBASS™ Control

The AccuBASS™ circuit compensates for factory stereo bass roll-off. Adjust the AccuBASS™ threshold and level controls to restore and enhance bass response without distortion.

6. Onderhoud

The AudioControl LC-4.800 is designed for reliable operation with minimal maintenance. Follow these guidelines to ensure its longevity:

Schoonmaak: Reinig regelmatig de ampReinig de buitenkant van de filter met een zachte, droge doek. Vermijd het gebruik van agressieve chemicaliën of schurende reinigingsmiddelen.
Ventilatie: Zorg ervoor dat de amplifier's heat sinks are free from obstructions to allow for proper airflow and cooling. Do not cover the ampverliezer.
Verbindingen: Occasionally check all wiring connections (power, ground, remote, inputs, outputs) to ensure they remain secure and free from corrosion. Loose connections can lead to performance issues or damage.
Zekeringen: De amplifier uses external fuses (40A x 2). If a fuse blows, replace it only with a fuse of the same type and rating. Never use a higher-rated fuse.

7. Probleemoplossing

If you experience issues with your LC-4.800 amplifier, raadpleeg de volgende veelvoorkomende problemen en oplossingen:

Probleem	Mogelijke oorzaak	Oplossing
Geen stroom / Amplifier gaat niet aan	Doorgebrande zekering Losse stroom- of aardverbinding Geen afstandsbediening om het apparaat in te schakelen GTO™ Signal Sense not detecting signal	Check and replace fuses (40A). Verify all power, ground, and remote wire connections are secure. Ensure head unit remote output is active, or check speaker-level input signal.
Geen geluidsuitvoer	Probleem met ingangssignaal Luidsprekerkabels losgekoppeld of kortgesloten Gain te laag ingesteld Crossover-instellingen onjuist	Check RCA or speaker-level input connections from head unit. Controleer de bedrading van de luidsprekers op kortsluitingen en losgekoppelde verbindingen. Increase gain settings (refer to MILC™ LEDs). Verify crossover settings are appropriate for your speakers.
Vervormd geluid	Gain te hoog ingesteld (clipping) Slechte aardverbinding Luidsprekerimpedantie mismatch Beschadigde luidsprekers	Reduce gain until MILC™ LED is off. Zorg ervoor dat de aardverbinding schoon en stevig is. Controleer of de luidsprekerimpedantie binnen de grenzen ligt. amplifier's supported range (2-ohm stereo, 4-ohm bridged). Test de luidsprekers met een andere amplifier indien mogelijk.
Ampoververhitting van de lifier	Onvoldoende ventilatie Luidsprekerimpedantie te laag Sustained high volume levels	Zorg voor voldoende luchtstroom rondom de ampverliezer. Controleer de luidsprekerimpedantie. Reduce volume or consider a higher power amplifier if consistently running at maximum.

8. Specificaties

Functie	Specificatie
Model	LC-4.800
RMS-vermogen (4 Ohm)	125 watt x 4 kanalen
RMS-vermogen (2 Ohm)	200 watt x 4 kanalen
RMS-vermogen (overbrugd 4 Ohm)	400 watt x 2 kanalen
Frequentierespons	10Hz - 22kHz
Signaal-ruisverhouding	>100dB
THD+N	0.01%
Ingangsgevoeligheid (lijn)	0.5 V - 8 V
Input Sensitivity (Speaker)	2 V - 40 V
Crossover-type	Linkwitz-Riley, 24 dB/octave
Afmetingen (L x B x H)	14 x 11.5 x 3.5 inch
Gewicht	6 pond

Opmerking: Specificaties kunnen zonder voorafgaande kennisgeving worden gewijzigd ter verbetering van het product.

9. Garantie en ondersteuning

9.1 Garantie-informatie

AudioControl products are known for their quality and reliability. The LC-4.800 amplifier typically comes with a 5 jaar garantie when registered online. This warranty covers defects in materials and workmanship under normal use. Please retain your proof of purchase for warranty claims.

For detailed warranty terms and conditions, please refer to the official AudioControl webwebsite of de garantiekaart die bij uw product is geleverd.

9.2 Klantenservice

If you require technical assistance, have questions about installation, or need to initiate a warranty claim, please contact AudioControl customer support:

Webwebsite: Visit the official AudioControl website voor veelgestelde vragen, ondersteunende documenten en contactinformatie.
Telefoon: Refer to the contact section on the AudioControl webVoor de openingstijden van de telefonische ondersteuning kunt u terecht op de website.
E-mailadres: Use the contact form or email address provided on the official webplaats.

When contacting support, please have your product model (LC-4.800) and serial number ready.

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