EPA502
Dual-channel Class-D amplifier 2 x 500W
Highlights
- Speakon compatible & terminal block output connections
- XLR input connections with crossover operation mode switch
- Energy-star certified
- Standby energy saving mode
- Lightweight class-D amplifier
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- Advanced protection circuit
Applications
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- Education
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- Retail
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- Events
This energy efficient stereo amplifier will automatically switch to a standby mode when no audio signals are detected (less than 1Watt power consumption in standby mode). Their weight and compact size makes these single rack space amplifiers ideal for both fixed and mobile installations. Their use of Class-D technology ensures excellent efficiency as well as outstanding sound quality. Thanks to the complete passively cooled entity only a minimal of maintenance is needed, while ensuring maximum reliability. Various specific functions and advanced circuitry guarantees an optimal protection against DC malfunctioning, short circuit, overheating and overload. Signal input connections are integrated with balanced XLR connectors, and signal link through is possible using the XLR output connectors. Outputs are connected using terminal block connectors.
| System specifications | |||||
|---|---|---|---|---|---|
| RMS/AES power handling | @ 4 Ω Stereo | 2 x 500 W | |||
| @ 8 Ω Stereo | 2 x 300 W | ||||
| @ 8 Ω Bridge | 1000 W | ||||
| Frequency | Response (± 3 dB) | 20 Hz - 20 kHz | |||
| Signal / Noise | > 90 dB | ||||
| THD+N (@ 1 kHz) | < 0.1% | ||||
| Crosstalk (@ 1 kHz) | > 70 dB | ||||
| Technology | Class-D | ||||
| Power | Supply | Switching mode | |||
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| Note: Standard voltage and frequency of electricity varies from country to country. Please contact your local distributor to ensure suitable product variant voltage and frequency compatibility. | |||||
| Consumption | 426 W | ||||
| Standby | 0.7 Watt (30 min standby time) | ||||
| Inputs | Sensitivity | 0 dB (1V RMS) | |||
| Impedance | 12 kΩ balanced | ||||
| Connector | XLR female with Male Linkthrough | ||||
| Protection | DC Short circuit | ||||
| Over heating | |||||
| Over load | |||||
| Signal limiting | |||||
| Cooling | Convection cooled | ||||
| Operating temperature | 0° ~ 40° @ 95% Humidity | ||||
| Outputs | Connector | Speakon compatible & 2-pin Euro Terminal Block (5.08 mm) | |||
| Product Features | ||||
|---|---|---|---|---|
| Dimensions | 18.98 x 1.73 x 12.99 " (W x H x D) | |||
| Weight | 10.36 lb | |||
| Mounting | 19” | |||
| Unit height | 1 HE | |||
| Construction | Steel | |||
| Colours | Black | |||
| Product | Unit of measure | Quantity | |
|---|---|---|---|
| AU960103025 - EPA502 DEVICE | PCS | 1 | Collapse |
| AU710802021 - CON CBL 2P TERM. BLOCK 5.08MM GREEN | PCS | 2 |
Product
Answer
As the power consumption of an amplifier, strongly depends on how hard the amplifier is driven, measurements are provided for various loads: idle, 1/8 of average full power, 1/3 of average full power, and full power.
Idle
Current draw at idle or with very low signal level
1/8 Power: Pink Noise
Amplifiers are tested using pink noise signals to simulate real-world speech and music signals. It approximates operating with music or voice with light clipping and represents the amplifier's typical "clean" maximum level, without audible clipping. This 1/8 power signal provides a very good approximation of how hard an amplifier would be driven by typical real-world speech/music signals, assuming those signals were being driven as loud as possible without clipping the amplifier.
1/3 Power: Pink Noise
1/3 Power Pink Noise is similar to 1/8 Power Pink Noise, except that it is a significantly more powerful input signal. It approximates operating with music or voice with very heavy clipping and a very compressed dynamic range. This 1/3 power signal provides an approximation of how hard an amplifier would be driven by typical real-world speech/music signals, assuming those signals were being driven loud enough to clip the amplifier heavily, and produce severe, audible distortion.
Full Power
Current draw at full power is measured with a sine wave at its maximum possible level. However, it does not represent any real-world operating condition and represents the absolute extremes that an amplifier could ever experience.
Answer
Heat dissipation is the process by which electronic devices like amplifiers and processors release the heat they generate during operation to prevent overheating. This data is important because it ensures devices perform efficiently, last longer, and are safe to use. To calculate heat dissipation, you measure the device's power consumption (in watts) and use the thermal resistance (how well the device transfers heat) to determine how much heat needs to be managed. This information helps design proper cooling systems, ensuring the device remains within safe temperature limits.
The heat dissipation list for all Audac devices is in the link below.
Information sheet English
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Technical drawings
Declarations of conformity
| Code | Quantity | Length | Width | Height | Cubage | Weight |
|---|---|---|---|---|---|---|
| PRODUCT | 1 | 0,49 m | 0,35 m | 0,05 m | 0,00858 m³ | 4,86 kg |
| PCS | 1 | 0,56 m | 0,42 m | 0,13 m | 0,03058 m³ | 5,64 kg |
| INNER | 1 | - | - | - | - | - |
| MASTER | 1 | - | - | - | - | - |
| PALLET | 34 | - | - | - | - | 196,80 kg |
