Atlas Sound E408-250
AtlasIED E408-250 Plaatgemonteerde 250W Verswakker Gebruikershandleiding
Brand: Atlas Sound
1. Produk verbyview
The AtlasIED E408-250 is a plate-mounted attenuator specifically designed for precise level control in masking and sound reinforcement systems. It features a 10-position, non-shorting rotary switch that allows for fine-tuning of audio levels. Each step of the rotary switch provides an attenuation rate of 1.5 dB, offering granular control over the sound output.

Figuur 1: Voorkant view of the AtlasIED E408-250 attenuator, showing the rotary knob and numbered dial on a brushed metal plate.
2. Opstelling en installering
Proper installation is crucial for the optimal performance of the E408-250 attenuator. This device is designed for plate mounting, typically into a standard electrical box or similar enclosure.
2.1 Montering
- Maak seker dat die monteeroppervlak plat en stewig is.
- Align the attenuator plate with the mounting holes of the electrical box or bracket.
- Secure the plate using appropriate screws (not included). Do not overtighten.
2.2 Bedradingsverbindings
The E408-250 attenuator requires connection to your sound system's speaker lines. Refer to the wiring diagram below and on the unit itself for correct polarity and connection points. It is recommended to consult a qualified audio technician for installation if you are unfamiliar with audio wiring.

Figuur 2: Agter view of the attenuator, illustrating the transformer and the green terminal block where speaker wires are connected.
The attenuator typically connects in series with the speaker line. Ensure power to the amplifier is off before making any connections to prevent damage to the equipment or injury.
3. Bedryfsinstruksies
The AtlasIED E408-250 features a simple rotary knob for adjusting the audio level. The knob has 10 distinct positions, labeled from 0 to 10, providing precise control over the attenuation.
- Aanpassing van vlak: Rotate the knob clockwise to increase the sound level (less attenuation) and counter-clockwise to decrease the sound level (more attenuation).
- Attenuation Rate: Each step of the rotary switch provides an attenuation of 1.5 dB. This allows for fine adjustments to achieve the desired sound level in your environment.
- Non-Shorting Design: The switch is designed to be non-shorting, meaning it will not create a short circuit when transitioning between positions.
- No Stop: The rotary switch does not have a physical stop at position 0 or 10, allowing for continuous rotation. However, the attenuation range is defined by the 0-10 scale.

Figuur 3: Hoekig view of the attenuator, highlighting the rotary knob and the numbered faceplate for level adjustment.
4. Onderhoud
The AtlasIED E408-250 attenuator is designed for long-term, reliable operation with minimal maintenance. Follow these guidelines to ensure its longevity:
- Skoonmaak: Use a soft, dry cloth to wipe the surface of the attenuator plate. Avoid abrasive cleaners, solvents, or excessive moisture, which can damage the finish or internal components.
- Inspeksie: Periodically inspect the wiring connections to ensure they are secure and free from corrosion.
- Omgewing: Ensure the attenuator is installed in a dry environment, away from direct sunlight, extreme temperatures, and high humidity.
5. Probleemoplossing
If you experience issues with your AtlasIED E408-250 attenuator, consider the following common troubleshooting steps:
- Geen klank of lae klank nie:
- Check all wiring connections to ensure they are secure and correctly terminated.
- Verify that the attenuator knob is not set to '0' (maximum attenuation).
- Verseker die amplifier connected to the attenuator is powered on and functioning correctly.
- Confirm that the speakers are properly connected and operational.
- Intermitterende klank:
- Inspekteer bedrading vir los verbindings of beskadigde isolasie.
- Ensure the attenuator knob is clean and free of debris that might interfere with its contact points.
- Verwronge klank:
- Verify that the attenuator is rated for the power output of your amplifier (E408-250 is 250W). Overpowering can cause distortion or damage.
- Check other components in the audio chain (amplifier, speakers) for issues.
If the problem persists after attempting these steps, contact Atlas Sound customer support or a qualified audio technician.
6. Spesifikasies
| Kenmerk | Detail |
|---|---|
| Model | E408-250 |
| Tik | Plate Mounted Attenuator |
| Kraggradering | 250 W |
| Attenuation Steps | 10-position, non-shorting rotary switch |
| Attenuation Rate per Step | 1.5 dB |
| Item gewig | 1.75 pond (0.79 kg) |
| Produk afmetings | 5.05 x 5 x 4.1 duim (12.83 x 12.7 x 10.41 cm) |
| ASIN | B07WS6RGCQ |
| Datum Eerste Beskikbaar | 9 April 2019 |
7. Waarborg en Ondersteuning
For specific warranty information regarding your AtlasIED E408-250 attenuator, please refer to the documentation provided with your purchase or visit the official Atlas Sound webwebwerf. Waarborgbepalings en -voorwaardes kan wissel.
For technical support, product inquiries, or service, please contact Atlas Sound directly:
- Vervaardiger: Atlas-klank
- Webwebwerf: www.atlassound.com (Let wel: Hierdie is 'n algemene voorbeeldample link, please verify the actual support URL.)
- Kontakinligting: Verwys na die vervaardiger se website for the most current contact details, including phone numbers and email addresses for customer service.