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To alleviate this condition, we recommend the following steps:

1)If using line level jacks, BOTH THE LEFT AND RIGHT INPUT SHOULD ALWAYS BE USED – never use just the left or just the right input. If the subwoofer’s input comes from the LFE channel of your receiver, use a “Y” splitter to supply the single input to both connectors for the Left and Right subwoofer inputs. If using line level connections from a preamp or signal processor, use both Left and Right inputs from your preprocessor or preamp and connect them to the Left and Right inputs on your subwoofer.

2)If using a receiver with LFE out, be sure the LFE channel is sending adequate signal to the subwoofer. We recommend setting the subwoofer’s level to the 9 o’clock position (the 1/4 volume setting) and then adjust the LFE channel on your receiver or processor to achieve the desired bass output. See your receiver or processor’s owner’s manual for more information.

The SPEAKER LEVEL jacks connect directly to the speaker outputs of any amplifier, integrated amplifier, or receiver. Your amplifier section will notice no additional loading effects when you use these inputs due to their very high impedance. If using the SPEAKER LEVEL inputs, you DO want to connect both channels, since different bass information might be present in each channel going to your main speakers.

Important!!!

Do not use both LINE LEVEL and SPEAKER LEVEL connections simultaneously!

Caution!!!

To avoid damage to your main amplifier, be sure to maintain correct polarity when making all connections - red (positive) to red, and black (negative) to black. Be sure all connections are tight, and that there are no loose strands or frayed wires.

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 output levels from both the main speakers and subwoofer when listening to music. A good starting point for the volume control is two or three graduations from minimum.

Warning:

Some manufacturers preset their receivers with the Sub-Out channel signal at a minimum level. It is very important to verify that your receiver Sub-Out channel is set to the same output level as your front right and left channels. Refer to your receiver manual for the individual channel level adjustment procedure. If your receiver Sub-Out channel is set too low, the subwoofer may appear to have a weak output, it may sound noisy or distorted, and the Auto On/Off feature may not operate properly.

Low - pass Crossover - 50 to 200 Hz

As noted above, all inputs sum the left and right channels together, with the resulting signal passing through an adjustable low-pass crossover before being amplified. The crossover control allows you to adjust the upper limit of the subwoofer’s frequency response from 50 to 200 Hz. The subwoofer’s response will begin rolling off above the frequency you set this control to. You should set the crossover frequency to obtain a smooth and seamless transition from the subwoofer to the main speakers in your system. If your main speakers are smaller units with limited low frequency output, you may wish to choose a higher frequency (such as 100 - 120 Hz) than you would with larger speakers which have greater low frequency output. With larger speakers, you might start with this control set lower, such as 80 Hz.

Starfire Series Manual

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Velodyne Acoustics STARFIRE-12, STARFIRE-10 manual Volume Control, Low pass Crossover 50 to 200 Hz
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STARFIRE-10, STARFIRE-12 specifications

Velodyne Acoustics has long been recognized for its pioneering efforts in high-performance audio systems, and their STARFIRE series of subwoofers, specifically the STARFIRE-12 and STARFIRE-10, further solidifies this reputation. These two models are designed to deliver powerful, deep bass with exceptional clarity and precision, making them suitable for both home theater enthusiasts and music lovers alike.

The STARFIRE-12 features a 12-inch driver, while the STARFIRE-10 is equipped with a 10-inch driver, allowing both models to cater to different room sizes and listener preferences. One of the standout features of both subwoofers is Velodyne's advanced Digital Signal Processing (DSP), which optimizes the audio output and ensures that the bass is tight and accurate, free from distortion, even at high volume levels.

Another prominent technology featured in the STARFIRE series is the patented High-Excursion driver design. This innovative driver allows for greater movement, enabling the subwoofers to produce more significant air displacement, leading to deeper bass response. The drivers are also housed in solid enclosures designed to minimize cabinet resonance, further enhancing the audio experience by delivering a cleaner sound.

Connectivity is another area where the STARFIRE models shine. Both subwoofers offer multiple connectivity options, including line-level inputs, speaker level inputs, and balanced XLR inputs, facilitating easy integration into various audio systems. Moreover, the adjustable phase control allows users to synchronize the subwoofer with their main speakers, ensuring seamless sound reproduction throughout the listening environment.

The STARFIRE models also come with a comprehensive suite of adjustable settings that enable users to customize their audio experience. Features such as variable crossover control and volume adjustment enable fine-tuning to suit individual preferences and room acoustics.

In terms of aesthetics, both the STARFIRE-12 and STARFIRE-10 models sport a sleek, modern design that blends seamlessly into any home décor. Their compact size and iconic Velodyne build quality make them an attractive addition to any audio setup without sacrificing performance.

In summary, Velodyne Acoustics' STARFIRE-12 and STARFIRE-10 subwoofers are crafted with cutting-edge technologies and features that deliver unmatched audio performance. With advanced driver designs, powerful DSP, and customizable settings, these subwoofers offer an immersive listening experience that caters to the needs of even the most discerning audiophiles.
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