Following are brief descriptions of the connections described in Figure 2. More detail on these connections can be found in the next section.

(1)LOW-PASS CROSSOVER

Use this knob to select the frequency above which you wish to roll off the signal to the subwoofer. When the knob is turned all the way to the left, the Subwoofer Direct feature is invoked and the subwoofer plays all frequencies up to 200 Hz.

(2)VOLUME Control

This control allows you to balance the output from the subwoofer to the main speakers in your system. This control should be set to achieve similar volume level from between both the main speakers and subwoofer. When pressing volume up or down, set the level while watching the LED display for reference. The upper button increases the subwoofer level and the lower button decreases it.

Note: Volume is also controllable by using the supplied remote. When defaults are restored, the default volume setting is 30 out of 80.

(3)AUTO ON/OFF Switch

Use this switch to select between auto-on (active) and constant on (auto-on inactive) operation.

(4)LINE OUTPUT

Connect these jacks to the LINE IN amp input to use the SPL-Ultra subwoofer’s internal high pass crossover. See below for a more detailed explanation of this crossover.

(5)LINE INPUT/LFE Input

Connect these jacks to the LINE OUT preamp output, LFE output or subwoofer output jacks of your receiver/processor. If using the LFE output from your receiver or processor, plug the single cable into the “L” - LFE input or for more signal, use a “Y” connector (not included) and feed the signal into both “R” and “L” inputs.

(6)SPEAKER LEVEL INPUT Terminals

Connect these input terminals to the speaker output terminals of your amplifier or receiver. If you use this method of connection, when you go to the receiver speaker set up menu, make sure you select the large speaker option.

(7)IR Input

This is a connection to allow you to purchase a third-party infrared remote sensor or an extended cable for placement closer to your other remote controlled equipment. This keeps you from awkward control angles using the infrared remote control.

(8)12v Trigger

When this mini jack is connected, the unit remains in power-off mode until 12 volts is supplied across the two leads. There is no polarity requirement.

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SPL-Ultra User’s Manual

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Velodyne Acoustics 1200, 800, 1000 user manual 1LOW-PASS Crossover
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1200, 1000, 800 specifications

Velodyne Acoustics has long been a pioneer in the field of high-performance audio solutions, and their latest lineup of subwoofers, the Velodyne Acoustics 1000, 800, and 1200 series, exemplifies this legacy. Each model is engineered to deliver exceptional sound quality and deep, impactful bass for audiophiles and home theater enthusiasts alike.

The Velodyne Acoustics 1000 is designed to provide a balanced blend of power and precision. It features a 10-inch long-throw dynamic driver that ensures a rich bass response across a wide frequency range. The built-in amplifier generates up to 300 watts of peak power, making it capable of filling even large rooms with robust sound. The 1000 series also includes sophisticated DSP technology, which allows for automatic room tuning, enabling users to optimize performance according to their specific listening environment.

Moving on to the Velodyne Acoustics 800, this model is more compact but does not compromise on performance. Featuring an 8-inch driver, it is ideal for smaller spaces while still delivering impressive bass reproduction. The 800's amplifier can produce up to 200 watts of peak power, optimizing both performance and efficiency. This model utilizes Velodyne's innovative Auto EQ technology, which adjusts the subwoofer's settings to seamlessly blend with other speakers in a multi-channel setup, ensuring uniform sound dispersion throughout the room.

At the top of the range, the Velodyne Acoustics 1200 takes bass performance to new heights. With a powerful 12-inch driver and an amplifier capable of delivering 400 watts of peak power, this subwoofer is designed for users who demand ultimate bass impact. The 1200 series employs advanced low-frequency technology that minimizes distortion and enhances clarity, even at high volumes. It also comes equipped with a user-friendly interface, allowing for precise adjustments to suit any audio preference.

All three models feature stylish cabinet designs that will complement any home decor while utilizing high-quality materials for durability and resonance reduction. Moreover, each subwoofer offers various connectivity options, including RCA and speaker level inputs, ensuring compatibility with a range of audio systems.

In summary, the Velodyne Acoustics 1000, 800, and 1200 subwoofers embody the brand's commitment to acoustic excellence, each providing tailored solutions for different room sizes and audio preferences. With their cutting-edge technologies, impressive power ratings, and user-friendly features, these subwoofers continue to set the standard for home audio performance.
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