Ashly CA502 2-Channel 500W Class D Amplewendiger

1. Inleiding

The Ashly CA502 is a 2-channel Class D power amplifier designed for professional audio installations. It delivers 500W per channel into 2 or 4 Ohms, and 250W into 8 Ohms. When bridged, it can provide 1000W into 4 Ohms or drive 70V/100V loads. This amplifier incorporates Ashly's proprietary D-MAX technology, featuring ultra-fast Silicone-Carbide switches, a high-speed power supply, and Dynamic Power Factor Correction for exceptional efficiency and stable performance. The SailFlow directed cooling system ensures optimal thermal management, allowing the amplifier to operate reliably even under demanding conditions.

Key features include front-panel input level controls, LED indicators for amplifier status, balanced Euroblock and XLR combo input connectors, VCA control ports, and switchable High-Pass Filters (HPF) and Limiters on each channel. A standby port and front panel lockout provide additional flexibility and security.

Figuur 1: Voorkant view of the Ashly CA502 amplifier, displaying its controls and indicators.

Produk verbyview Video

2. Veiligheidsinligting

Lees en verstaan ​​asseblief alle veiligheidsinstruksies voordat u hierdie toestel gebruik. Bewaar hierdie handleiding vir toekomstige verwysing.

• Kragbron: Koppel die amplifier only to a power supply of the type specified in this manual and on the unit.
• Aarding: Verseker die amplifier is properly grounded to prevent electric shock.
• Ventilasie: Do not block any ventilation openings. Install in accordance with the manufacturer's instructions. Maintain adequate airflow around the unit.
• Water en vog: Do not expose this apparatus to rain or moisture. Do not use this apparatus near water.
• Hitte: Moenie naby enige hittebronne soos verkoelers, hitteregisters, stowe of ander toerusting (insluitend ampversterkers) wat hitte produseer.
• Diens: Moenie probeer om hierdie produk self te onderhou nie. Verwys alle diens na gekwalifiseerde dienspersoneel.
• kabels: Beskerm die kragkoord teen geloop of vasgeknyp, veral by proppe, geriefshouers en die punt waar dit uit die apparaat kom.

3. Opstelling

3.1 Fisiese installasie

The Ashly CA502 is designed for rack mounting. It occupies 2U of rack space. Ensure sufficient space for ventilation, especially at the front and rear of the unit.

• Monteer die amplifier securely in a standard 19-inch equipment rack using appropriate rack screws.
• Allow at least 1U of empty space above and below the amplifier for optimal airflow, especially in enclosed racks.

3.2 Agterpaneelverbindings

The rear panel provides all necessary input, output, and control connections. Refer to Figure 2 for a visual guide.

Figure 2: Rear panel of the Ashly CA502 amplifier, detailing connection points.

• Invoerverbindings: Use the balanced Euroblock or XLR Combo input connectors for audio signal input.
• Luidsprekeruitsette: Connect your speakers to the Euroblock speaker output terminals. Ensure correct polarity and impedance matching.
• VCA Control Ports: For remote volume control, connect a standard volume control device (e.g., Ashly WR-1.1) to the VCA control ports.
• Standby Port: Connect external control systems for amplifier standby functionality.
• DIP-skakelaarinstellings: Configure per-channel settings such as Limiter and High-Pass Filter using the DIP switches. Refer to the 'Operation' section for detailed settings.

3.3 Kragverbinding

Connect the supplied AC power cord to the amplifier's power inlet and then to a grounded AC power outlet. The amplifier operates on 100-240VAC, 50/60Hz.

4. Operasie

4.1 Voorpaneelkontroles en aanwysers

• Input Level Controls: Pas die insetgevoeligheid vir elke kanaal aan.
• LED-aanwysers:
  • Clip/Mute (Red): Illuminates when the output signal is clipping or the channel is muted.
  • Signal (Green): Indicates the presence of an input signal.
  • Protect (Red): Verlig as die amplifier enters protection mode due to an issue.
  • Current (Yellow): Indicates high current draw.
  • Temp (Yellow): Indicates high internal temperature.
  • Bridge (Green): Verlig wanneer die amplifier is operating in bridged mode.

4.2 Rear Panel DIP Switch Settings

The DIP switches on the rear panel allow for per-channel configuration of various functions:

• Invoerwins: Adjusts the input gain for the channel.
• Output Clip Limiter: Engages or disengages the output clip limiter.
• Hoëdeurlaatfilter (HPF): Activates an 80Hz high-pass filter to protect smaller speakers.
• Standby Polarity: Configures the standby control input polarity.
• Voorpaneel slot: Enables or disables the front panel controls.

4.3 Bridged Mode and 70V/100V Operation

The CA502 can be configured for bridged operation to combine the power of both channels into a single, higher-power output. This is also used for driving 70V or 100V constant voltage speaker systems.

• To engage bridged mode, refer to the DIP switch settings on the rear panel and the wiring diagram provided on the unit.
• For 70V/100V applications, ensure the amplifier is correctly configured and wired for constant voltage output. The CA502 model requires bridging to achieve 70V output.

5. Onderhoud

Regular maintenance ensures the longevity and optimal performance of your Ashly CA502 amplewendiger.

5.1 Skoonmaak

• Ontkoppel die amplifier from the power source before cleaning.
• Gebruik 'n sagte, droë lap om die buitekant van die eenheid af te vee.
• Periodically use a vacuum cleaner with a brush attachment to remove dust from the ventilation grilles.
• Moenie vloeibare skoonmaakmiddels of oplosmiddels gebruik nie, aangesien dit die afwerking of interne komponente kan beskadig.

5.2 Verkoelingstelsel

The CA Series amplifiers feature a SailFlow directed cooling system designed for efficient heat dissipation. This system helps the amplifier run cool and quietly.

Figure 3: SailFlow directed cooling system diagram, showing efficient airflow.

• Maak seker dat die amplifier's ventilation openings are never obstructed.
• Maintain proper rack ventilation to prevent heat buildup, which can affect performance and lifespan.

6. Probleemoplossing

If you encounter issues with your Ashly CA502 amplifier, consult the following basic troubleshooting steps:

• Geen krag:
  • Check that the power cord is securely connected to both the amplifier and a live AC outlet.
  • Verify the AC outlet is functioning by plugging in another device.
• Geen oudio-uitvoer nie:
  • Ensure all input and output cables are correctly connected and secure.
  • Check the input level controls on the front panel are not set to minimum.
  • Verify that the input source is active and sending a signal.
  • Check the speaker connections for correct polarity and secure contact.
  • Verseker die amplifier is not in standby mode or muted.
• Distorted Audio / Clipping:
  • Reduce the input level to prevent the Clip/Mute LED from illuminating.
  • Ensure speakers are correctly matched to the amplifier's impedance.
  • Check for damaged speaker cables or faulty speakers.
• Overheating (Temp LED on):
  • Verseker voldoende ventilasie rondom die amplifier. Clear any obstructions from the air vents.
  • Reduce the output level or the duration of high-power operation.
  • Verify speaker impedance is within the amplifer se gespesifiseerde reeks.

If the issue persists after performing these checks, contact Ashly technical support or a qualified service technician.

7. Spesifikasies

Detailed technical specifications for the Ashly CA502 amplewendiger:

Figure 4: General Power Amplifier Specifications for the CA Series.

8. Waarborg en ondersteuning

8.1 Waarborginligting

The Ashly CA502 ampverligter kom met 'n 5 Years Parts & Labor WarrantyHierdie waarborg dek defekte in materiaal en vakmanskap onder normale gebruik. Bewaar asseblief u bewys van aankoop vir waarborgeise.

8.2 Tegniese Ondersteuning

For technical assistance, troubleshooting beyond the scope of this manual, or warranty service, please contact Ashly Audio customer support. Visit the official Ashly webwebwerf vir kontakinligting en bykomende hulpbronne.