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The EPQ 900 is an exceptionally lightweight single rack space amplifier with 390 watts per side into 4 Ohms.
Instead of operating relatively continuously like most power amps, the EPQ power amps feature rail tracking for effectively modulating the power supply rails with only the peaks of the input signal. This technology has revolutionized pro audio amp designs with its outstanding performance and efficiency. When combined with switching-mode power supplies that do away with heavy toroid transformers, the EPQ design provides more dynamic punch and, because they are efficient, run cool and don't require huge, heavy heat sinks.
The simple front panel controls of these amps give you all of your sound's vital signs at a glance. After pressing the Power Button, the POWER LED will light when the amp is ready for action. Both channels have independent gain dials as well as clip LEDs that indicate when the signal is distorted and you need to reduce the gain. There are also SIGNAL LEDs that light up when a signal is present at the input.
Features
Tech Specs
| Stereo, both channels driven: |
| 8 ohms per channel, stereo: 175 watts |
| 4 ohms per channel, stereo: 275 watts |
| Bridged Mono : Both channels bridged |
| 8 ohms bridge mode : 580 watts |
| Peak Power: |
| Stereo: Both channels driven |
| 8 ohms per channel, stereo: 245 watts |
| 4 ohms per channel, stereo: 390 watts |
| Bridged Mono: Both channels bridged |
| 8 ohms bridge mode: 900 watts |
| System: |
| Controls: |
| Front: Power switch GAIN control (channels 1 and 2) |
| Rear: Mode switch (Mono, Stereo, Bridge) |
| Indicators: POWER: Blue LED |
| LIMIT (per channel) : Blue LED |
| SIGNAL (per channel) : White LED (-20 dB, -10 dB,0 dB) |
| Connectors: |
| Inputs: 2 x XLR / 1/4 in. TRS combo jacks |
| Input impedance: 10 kohms unbalanced, 20 kohms balanced |
| Outputs: 2 x locking-style professional speaker connectors |
| Output circuit type: Class H |
| Distortion: < 0.3% |
| Frequency Response: 20 Hz - 20 kHz, +0 / -1 dB |
| Damping Factor: > 350 @ 8 ohms |
| Signal-to-Noise: 104 dB |
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