Congratulations on your purchase of the THIEL HigherPlane 1.2 in-ceiling loudspeaker. This product is the result of a dedicated effort to provide very accurate and realistic sound reproduction from a

versatile, easy-to-place loudspeaker. We have used very high quality components and taken great care in the HigherPlane 1.2’s construction. Properly installed and used with good associated equipment, the HigherPlane will provide you with a great deal of sonic enjoyment for many years.

Jim Thiel, Product Designer, THIEL Audio

SPEAKER PLACEMENT

The HigherPlane 1.2 is designed for in-ceiling placement. Because of its wide dispersion and coaxial/coplanar driver mounting, the HigherPlane 1.2 offers excellent results for a variety of ceiling locations and listener positions. For optimum performance, the HigherPlane should not be placed within two feet of the room’s walls.

CONNECTING THE SPEAKERS

The HigherPlane 1.2’s input terminals are located on the bottom of the speaker cabinet. The HigherPlane 1.2 uses 5-way binding posts that accept several types of wire connections. Make sure that all connections are tight. The input terminals are designed to be easily tightened by hand or a 1⁄2 inch nut driver can be used.

It is essential for proper performance that both speakers in a stereo system be wired in the same polarity. The speaker’s input terminals are color coded to facilitate this. The wire connected to the red ringed input terminal of each speaker should connect to the respective positive (+) output terminals of the amplifier; the wire connected to the black ringed input terminals should be connected to the respective negative (–) output terminals of the amplifier.

The speakers should be connected to the amplifier with high quality cable to ensure minimal loss of power and proper control by the amplifier. If the speakers are being connected to a vacuum tube amplifier with various impedance taps, the 4 ohm tap will usually give the best results.

ASSOCIATED EQUIPMENT

The HigherPlane 1.2 is a very high quality sound reproducer and will benefit from use with high quality associated equipment. Since it is extremely accurate, it will reveal sources of distortion generated elsewhere in the system. For example, distortion resulting from poor recordings or inferior electronics will be reproduced accurately.

BREAK-IN

The HigherPlane 1.2, like most speakers, requires a period of playing before they perform optimally. The time depends on how loudly the speakers are played; more time is required if played softly, less if played loudly. At least 50 hours at moderately loud levels are required before the speaker is performing near optimum.

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Thiel Audio Products 1.2 Coherent manual Speaker Placement, Connecting the Speakers, Associated Equipment, Break-In
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1.2 Coherent specifications

Thiel Audio Products has been a hallmark of high-fidelity sound reproduction since its inception. The Thiel SCS4, with its innovative 1.2 Coherent technology, reflects the company’s commitment to delivering unparalleled audio experiences. This model embodies a rich combination of engineering excellence and cutting-edge design.

Central to the SCS4's performance is Thiel's Coherent Source technology, which ensures that the sound waves generated by the speaker drivers remain aligned and uncolored. This alignment allows for a more accurate reproduction of sound, making the listening experience more immersive. The drivers are meticulously designed to work in harmony, with a coherent time alignment that offers superior imaging and clarity across the frequency spectrum.

The Thiel SCS4 features a robust cabinet design that minimizes resonance and distortion. Constructed from high-quality materials, the enclosure is engineered to reduce unwanted vibrations and sound coloration. This not only enhances the overall sound fidelity but also ensures that the speaker can handle high power levels without compromising audio quality.

Moreover, the performance of Thiel Audio products is bolstered by their proprietary crossover networks. These networks are designed to facilitate seamless transition between drivers, ensuring a balanced and coherent sound signature. The sophisticated crossover design minimizes phase anomalies and optimizes power handling, resulting in a more fluid listening experience.

The SCS4 is versatile in its applications, whether as a main speaker in a high-end audio system or as part of a surround sound setup in a home theater. Its sleek, modern aesthetics allow it to blend effortlessly with various interior designs, making it an appealing choice for audiophiles who prioritize both sound and style.

In addition to its outstanding audio capabilities, Thiel takes pride in its dedication to craftsmanship and quality control. Each unit undergoes rigorous testing to ensure it meets the high standards that the brand is known for. The attention to detail in the design and manufacturing processes speaks to Thiel's commitment to excellence in audio reproduction.

Overall, the Thiel Audio Products SCS4 with 1.2 Coherent technology stands out as a remarkable achievement in loudspeaker design. It encapsulates the essence of what high-fidelity audio should be: accurate, engaging, and full of life. Whether for casual listening or critical analysis, the SCS4 delivers an experience that resonates with true audio enthusiasts.
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