Helvia ZEUS 604X
Helvia ZEUS 604X
- Four channels delivering 4×600W at 8Ω
- 4×900W output at 4Ω
- Bridged output up to 1,900W at 8Ω
- Class H amplifier design
- Built-in crossover on each channel
- Stereo, Parallel and Bridge modes
- Multiple protection circuits and limiter
- Two variable-speed cooling fans
- 2U rack-mount design
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The HELVIA ZEUS 604X is a four-channel Class H power amplifier designed for sound installations requiring power, flexibility and reliable operation. It delivers 4×600W at 8Ω and 4×900W at 4Ω in stereo operation, with bridged output power of 1,900W at 8Ω.
Stereo, Parallel and Bridge modes are supported in pairs of channels (CH1-2 / CH3-4), allowing flexible system configuration. Each channel features a built-in crossover with a low-pass filter, facilitating use with full-range speakers and subwoofers without requiring an external processor for this function.
The protection system includes signal limiting, on/off muting, DC offset detection, thermal protection and current limiting. Two variable-speed fans adjust to the internal temperature, with airflow from front to rear for effective cooling. Its 2U rack-mount design makes it suitable for integration into professional sound systems.
Specifications
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Type4-channel power amplifier
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Amplifier ClassH
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Stereo Output Power at 8Ω4×600W
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Stereo Output Power at 4Ω4×900W
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Bridged Output Power at 8Ω1,900W
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Operating ModesStereo, Parallel, Bridge (CH1-2 / CH3-4)
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CrossoverBuilt-in low-pass filter on each channel
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Input Sensitivity0.775V / 1.2V / 2.5V
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Input Impedance>10kΩ, balanced or unbalanced
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Frequency Response20Hz–20kHz (+1/−1dB)
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THD<0.1% (1W @ 1m)
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Damping Factor300
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Crosstalk>70dB
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Signal-to-Noise Ratio≥100dB
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ProtectionLimiter, on/off muting, DC offset detection, thermal protection and current limiting
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Cooling2 variable-speed fans
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AirflowFront to rear
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Power Requirements220V AC, 50/60Hz
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Power Consumption (Average/Peak)630W / 2,000W
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Input Connectors3-pin Female XLR
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Output ConnectorsFemale Speakon®
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Link Connectors3-pin Male XLR
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Rack Mount2U
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Dimensions (W×D×H)483×463.5×89mm
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Weight25kg