CAP412
Quad-channel power amplifier 4 x 120W 100V- Terminal block output connections
- XLR input & linkthrough connections with gain control & HPF switch
- Lightweight class-D amplifier
- Advanced protection circuit
- High-pass filter switch
The CAP412 is a professional four channel 100V power amplifier which is capable of providing 120 Watt to each of the four separate output channels. This creates a great flexibility and new possibilities for installed multi-zone audio distribution systems. It is designed as a no-nonsense amplifier with only the necessary controls and connections which creates great simplicity in use and installation. Every output channel contains different power taps to be used in 100 Volt, 70 Volt and even 4 Ohm low impedance applications and the input signal connections are performed using balanced XLR connectors, allowing link through to other amplifiers. Besides all the desired connection possibilities, the CAP412 also offers a gain control potentiometer and a high-pass filter switch (400Hz) on the back of the unit. A built-in multipurpose protection circuit protects against DC malfunction, short circuit, overheating, overload, and limits the signal when necessary. This all is built into a double rack space, steel 19” housing.
| RMS/AES power handling | 4 x 120 W | |
| Frequency | Response (± 3 dB) | 50 Hz - 22 kHz |
| Signal / Noise | > 100 dB | |
| THD+N (@ 1 kHz) | < 0.3% (1/2 Rated Power) | |
| Crosstalk (@ 1 kHz) | < 80 dB | |
| Technology | Class-D | |
| Power | Supply | Switching mode |
| Source | 100 ~ 240 V AC / 50 ~ 60 Hz | |
| Inputs | Sensitivity | -0.5 dB ~ 10.5 dB |
| Impedance | 10 kΩ balanced | |
| Connector | XLR female with Male Linkthrough | |
| Outputs | Voltage / Impedance | 100 V / 83 Ω |
| 70 V / 42 Ω | ||
| 4 Ω | ||
| Connector | 4-pin Euro Terminal Block (Pitch - 5.08 mm) | |
| Common mode rejection ratio | 70 dB | |
| Protection | DC Short circuit | |
| Over heating | ||
| Over load | ||
| Signal limiting | ||
| Cooling | Temperature controlled fan | |
| Operating temperature | 0° ~ 40° @ 95% Humidity | |
| Dimensions | 18.98 x 3.46 x 16.54 " (W x H x D) | |
| Weight | 32.63 lb | |
| Mounting | 19” | |
| Unit height | 2 HE | |
| Construction | Steel | |
| Colours | Black | |
| Accessories | Included | 4 x 4-pin Euro Terminal Block outputs connector |
| Optional | CPE100 Rack mount handles | |
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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.
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.
