Connecting the Level ONE Powered Subwoofer

Line Level Connection

The Level ONE Powered Subwoofer allows for two connecting options. Most new home theater receivers include a dedicated LFE or Subwoofer Line Level Output which should be connected to the Line Level inputs on the subwoofer. Since this type of output on your receiver is a mono output (single RCA jack), use the included mono to stereo adaptor to convert the mono signal into two identical signals, then connect the included stereo RCA cable from this adaptor to the Left and Right line level inputs on the receiver. The Level ONE Powered Subwoofer requires that both the Left and Right Line Level Inputs receive a signal to operate properly.

Speaker Level (high level) Connection

If your receiver does not provide a dedicated LFE or Subwoofer output, you can connect the powered subwoofer using the Speaker Level inputs. Connect regular speaker cable (18 gauge or thicker) to the left channel output on the receiver and connect the other end to the left (L) speaker level input on the subwoofer. Similarly connect the right channel from the receiver to the right (R) speaker level input on the subwoofer. Then connect the left and right speakers from the speaker level outputs on the subwoofer (instead of connecting the speakers directly to the receiver). This setup allows the low frequencies to be reproduced by the subwoofer, while passing the full frequency range on the left and right speakers.

Line Level Connection

Speaker Level Connection

Using the Level ONE Powered Subwoofer Controls

Power

The power switch has two positions, off and on. When the power LED is lit, the power is on.

Level

The level control adjusts the volume of the subwoofer. When connecting the subwoofer using the Line Level inputs, first set the volume level for the subwoofer in the receiver to a high enough level that the subwoofer receives a strong signal. In most receivers this usually means setting the subwoofer volume almost all the way up. Then, with music playing and the subwoofer’s Level control turned all the way down, slowly turn the level control on the subwoofer up until its volume blends well with the other speakers.

If you connect the subwoofer using the speaker level (high level) inputs, set the level control to a level that balances the subwoofer with the other speakers connected to the same output channel. Once set, the level control should not require further adjustment.

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Home Theater Direct HTD-C10 Connecting the Level ONE Powered Subwoofer, Using the Level ONE Powered Subwoofer Controls
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HTD-S10, HTD-A10, HTD-C10 specifications

The Home Theater Direct (HTD) speaker series, including the HTD-A10, HTD-S10, and HTD-C10, is designed to deliver exceptional audio performance for home theater and music enthusiasts. These speakers embody a blend of quality craftsmanship, innovative technologies, and artistic design, ensuring an immersive listening experience.

The HTD-A10 is a stand-alone bookshelf speaker that excels in both music and movie audio reproduction. It features a 5.25-inch woven composite woofer, which enhances low-frequency performance, providing rich bass without distortion. The 1-inch silk dome tweeter delivers clear, crisp highs, ensuring that dialogue and intricate sound effects come through vividly. The A10’s rear-firing bass port enriches lower frequencies and supports room placement versatility. Its compact design makes it an ideal choice for smaller spaces while maintaining audio fidelity.

The HTD-S10, a dedicated subwoofer, complements the A10 by enhancing the overall sound profile with deep, powerful bass. It incorporates a 10-inch downward-firing driver that produces rumbling low notes, making it perfect for action scenes and immersive soundtracks. The built-in 250-watt amplifier ensures that the subwoofer can handle demanding audio tracks, providing seamless integration with the entire HTD speaker system. The adjustable volume and crossover controls allow for precise tuning to achieve the perfect blend with the main speakers.

For clarity and balance in the center channel, the HTD-C10 speaker excels in delivering dialogue and on-screen sound effects. Its dual 5.25-inch woven composite woofers and 1-inch silk dome tweeter work in harmony to produce clear vocals, making it a vital component for home theater setups. This speaker is designed to be placed near the TV, enhancing the dialogue without muddying up the overall soundstage.

All three speakers are built with high-quality materials and feature contemporary styling, making them aesthetically pleasing additions to any home theater setup. With features like gold-plated binding posts for secure connections and a robust cabinet construction to minimize resonance, the HTD-A10, HTD-S10, and HTD-C10 collectively provide an audio experience that captures the essence of live performances and cinematic adventures. Whether for music or movies, the Home Theater Direct series offers a reliable and high-performing sound solution tailored for home audio aficionados.
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