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The black Atlas Sound HPA1204 is a four-channel 1200W commercial amplifier offering 300W per channel, support for 4-ohm, 8-ohm, 70V, and 100V operation, and expandability via a separately available Dante card. By utilizing Generation II Class-D topology, this HPA Series amp delivers high power and enhanced efficiency along with sound quality akin to a Class-AB amplifier.
AtlasIED HPA1204 Specs
Key Specs
| Number of Channels | 4 |
| Amplifier Power Rating | 4 Ohms / 8 Ohms / 70 V / 100 V: 4x 300 W per Channel (1 kHz, 1% THD) |
| Load Impedance / Voltage | 100 V 70 V 8 Ohms 4 Ohms |
| Analog Audio I/O | 4x Block 3-Pin Female Balanced Line Input 2x Block 4-Pin Female Unbalanced Speaker Output (Detachable) 1x Block 5-Pin Female GPIO Input/Output |
| Digital I/O | No |
| Rackmount Size | 2 RU (with Included Hardware) |
Amplifier
| Number of Channels | 4 |
| Amplifier Power Rating | 4 Ohms / 8 Ohms / 70 V / 100 V: 4x 300 W per Channel (1 kHz, 1% THD) |
| Amplifier Class | Class-D |
| Load Impedance / Voltage | 100 V 70 V 8 Ohms 4 Ohms |
Performance
| Protections | DC Fault, Output Limiter, Overcurrent, Overvoltage, RF, Short Circuit, Thermal, Undervoltage |
| Frequency Response | 20 Hz to 20 kHz +0/-1.5 dB |
| Damping Factor | > 200 |
| Input Sensitivity | 0.78 V 1 V 32 dB |
| Input Impedance | Line: 20 Kilohms (Balanced) 10 Kilohms (Unbalanced) |
| Max Gain | 40 dB |
| Max Input Level | 24 dBu / 12 V |
| SNR | > 70 dBA |
| THD | 0.15% (1 kHz, Below Rated Power) |
| Crosstalk | > 70 dB |
| Slew Rate | > 10 V/µs |
Signal Processing
| EQ | No |
| Ducking/Muting | No |
| Limiting | Clip |
Connectivity
| Analog Audio I/O | 4x Block 3-Pin Female Balanced Line Input 2x Block 4-Pin Female Unbalanced Speaker Output (Detachable) 1x Block 5-Pin Female GPIO Input/Output |
| Digital I/O | No |
| USB I/O | No |
Power
| AC Input Power | Universal: 100 to 240 VAC, 50 / 60 Hz |
| AC Power Connector | 1x IEC / NEMA 5-15 |
| Current Consumption | 120 VAC: 0.27 A (Standby) 120 VAC: 0.85 A (Idle) 120 VAC, 4 Ohms: 2.1 A (RMS) 120 VAC, 4 Ohms: 13.13 A (Max) |
| Power Consumption | 120 VAC: 0.35 W (Standby) 120 VAC: 79.3 W (Idle) 120 VAC, 4 Ohms: 250 W (Typical) 120 VAC, 4 Ohms: 1575.6 W (Max) |
Physical
| Display & Indicators | Front Panel: 1x Blue LED (Power) 1x Multi-Color LED (Standby) 1x Yellow LED (Temp) 1x Green LED (Status, per Channel) 1x Green LED (Signal, per Channel) 1x Yellow LED (Limit, per Channel) 1x Red LED (Protect, per Channel) |
| Rackmount Size | 2 RU (with Included Hardware) |
| Cooling | 1x Fan (Variable Speed) |
| Thermal Dissipation | 2.39 BTU/hr (Standby) 148.4 BTU/hr (Idle) 511.8 BTU/hr (Typical) 1279.5 BTU/hr (Maximum) |
| Certifications | CE, ETL, FCC, RoHS, WEEE |
| Dimensions | 19.0 x 3.5 x 15.0" / 48.3 x 8.9 x 38.1 cm |
| Weight | 21.4 lb / 9.7 kg |
Packaging Info
| Package Weight | 28.21 lb |
| Box Dimensions (LxWxH) | 24.5 x 22.2 x 6.5" |
In the Box
- AtlasIED HPA1204 Four-Channel 1200W Commercial Amplifier (Black)
- Security Cover for Level Controls
- IEC C13 to NEMA 5-15P Power Cable
- 3-Year Manufacturer Warranty
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