Legacy Pro Audio
Legacy Pro Audio Double Helix Subwoofer
Regular price
$7,150.00 USD
Regular price
Sale price
$7,150.00 USD
Unit price
per
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The Double Helix Subwoofer provides extreme low end extension for this high performance system. The subwoofer cells are modular and can be stacked beneath the Double Helix mains.
The Double Helix Subwoofer utilizes the XP-40480 processor- a 40bit DSP to provide the crossover to the main front speakers.
The crossover utilizes 24dB/octave Linkwitz Riley networks and provides for time delay adjustment and room equalization via graphic and parametric EQ on the inputs and and parametric EO on the outputs. Limiters are also available as required.
The configuration matrix is available here.
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| Applications: | Very low frequency reinforcement |
| System Type: | Powered dual woofer, slot loaded dual sub-bass radiator with mass loading |
| Mounting : | Stage or ground stacked |
| System Directivity: | Omni |
| Projection Distance: | 3500 cubic ft and greater |
| Subwoofer: | Dual 15" Silver/Graphite/Rohacell with 35 lb magnetic structure |
| Low Frequency Alignment: | Dual mass loaded passive radiator |
| Freq. Response (Hz, +/-3dB): | 20 -150 Hz variable |
| Sensitivity (Room, dB@ 2.83V): | 1.2 volts to rated output |
| Crossover Freq. (Hz): | 40-125 Hz or set by DSP |
| Inputs: | 1 XLR, 3 unbalanced, 2 high level |
| Internal Amplification: | (2) channels 500 watt ICEpower® amplification |
| Peak Output Current: | 35 A per channel |
| Idle Noise: | 80 microvolts |
| Output per channel: | 500W @ 0.05% THD+N (1kHz, 4Ω) |
| Amplifier Efficiency: | 83% (250W, 8Ω) |
| Protection Schemes: | Under-voltage, thermal, over-current, high frequency |
| Idle Power: | 3 watts/per module x 2 |
| Start-up: | Soft start, mute/de-mute |
| Dimensions (inches) HxWxD: | 18 x 36 x 24 |
| Weight: | 125 lbs each |
