Infinity 1200S manual Operation, Power On

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OPERATION

Power On

Plug your subwoofer’s AC cord into a wall outlet. Do not use the outlets on the back of the receiver.

Initially set the Subwoofer Gain (Volume) Control

to the

“min” position.

 

Turn on your sub by pressing the Power Switch

on the rear

panel.

 

Auto On/Standby

With the Power Switch

in the ON position, the Power

Indicator LED

will remain backlit in red or green to

indicate the On/Standby mode of the subwoofer.

RED = STANDBY (No signal detected, Amp Off)

GREEN = ON (Signal detected, Amp On)

The subwoofer will automatically enter the Standby mode after approximately 10 minutes when no signal is detected from your system. The subwoofer will then power ON instantly when a signal is detected. During periods of normal use, the Power Switch can be left on. You may turn off the Power Switch for extended periods of nonoperation, e.g., when you are away on vacation.

Adjust Gain

Turn on your entire audio system and start a CD or movie soundtrack at a moderate level. Turn up the Subwoofer Gain (Volume) Control about half way. If no sound emanates from the subwoofer, check the AC-line cord and input cables. Are the connectors on the cables making proper contact? Is the AC plug connected to a “live” receptacle? Has the Power Switch been pressed to the “On” position? Once you have confirmed that the subwoofer is active, proceed by playing a CD, record or cassette. Use a selection that has ample bass information.

Set the overall volume control of the preamplifier or stereo to a comfortable level. Adjust the Subwoofer Gain (Volume) Control until you obtain a pleasing blend of bass. Bass response should not overpower the room but rather be adjusted so there is a harmonious blend across the entire musical range. Many users have a tendency to set the subwoofer volume too loud, adhering to the belief that a subwoofer is there to produce lots of bass. This is not entirely true. A subwoofer is there to enhance bass, extending the response of the entire system so the bass can be felt as well as heard. However, overall balance must

be maintained or the music will not sound natural. An experienced listener will set the volume of the subwoofer so its impact on bass response is always there but never obtrusive.

Crossover Adjustments

The Crossover Adjustment Control determines the highest frequency at which the subwoofer reproduces sounds. If your main speakers can comfortably reproduce some low-frequency sounds, set this control to a lower frequency setting, between 50Hz – 100Hz. This will concentrate the subwoofer’s efforts on the ultradeep bass sounds required by today’s films and music. If you are using smaller bookshelf speakers that do not extend to the lower bass frequencies, set the Crossover Adjustment Control to a higher setting, between 120Hz – 150Hz.

Note: This control will have no effect if the Low-Pass Filter Selector Switch is set to “Off.” If you have a Dolby Digital or DTS processor/receiver, the Crossover Frequency is set by the processor/receiver. Consult your owner’s manual to learn how to view or change this setting.

Phase Control

The Phase Switch determines whether the subwoofer speaker’s piston-like action moves in and out with the main speakers, 0˚, or opposite the main speakers, 180˚. Proper phase adjustment depends on several variables such as room size, subwoofer placement and listener position. Adjust the phase switch to maximize bass output at the listening position.

INFINITY ALPHA 1200S

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Contents Powered Subwoofer Read First Important Safety PrecautionsIi Infinity Alpha 1200s Table of Contents Infinity Alpha Series PlacementUnpacking the Subwoofer Rear Panel Controls and ConnectionsRECEIVER/AMPLIFIER ConnectionsOperation Power OnBass Optimization System Goal Bass Optimization SystemPreparations Maintenance and Service Specifications Infinity Alpha 1200S

1200S specifications

The Infinity 1200S is an advanced speaker system that brings exceptional sound quality and innovative technology to the forefront. Recognized for its striking design and performance, the Infinity 1200S is suitable for audiophiles and casual listeners alike.

At its core, the Infinity 1200S features a robust two-way design, combining a high-performance woofer and a precision-engineered tweeter. This configuration results in a broad frequency response, ensuring that low, mid, and high ranges are delivered seamlessly. The 12-inch woofer is crafted to produce deep, rich bass tones, while the 1-inch silk dome tweeter provides crystal-clear high frequencies, making this speaker capable of handling various genres of music with ease.

One of the standout technologies of the Infinity 1200S is its proprietary Bass Reflection Technology. This innovative feature utilizes a specially designed enclosure to enhance the bass response without compromising clarity in the mids and highs. The rear-firing bass port allows for deeper bass without the bulk of traditional subwoofers. This technology enables the 1200S to deliver a powerful soundstage that can easily fill large rooms.

The Infinity 1200S also incorporates advanced materials in its construction. The cabinet is made from high-density MDF, which minimizes resonance and vibration, leading to enhanced audio fidelity. The speakers are finished in an elegant wood veneer, ensuring that they are not only functional but also aesthetically pleasing to fit into any home decor.

In terms of connectivity, the Infinity 1200S is equipped with versatile options, including speaker wire terminals and compatibility with various audio devices. Whether connecting to a home theater system, a stereo receiver, or a modern streaming device, the 1200S is designed to handle it all.

Moreover, the speakers feature adjustable bass and treble controls, allowing users to fine-tune their listening experience according to their preferences. With its stylish appearance, advanced technology, and exceptional sound quality, the Infinity 1200S stands out as a remarkable choice for entertainers, musicians, and home theater enthusiasts. It serves as a testament to Infinity’s commitment to excellence in audio engineering, blending innovative design with high-performance capabilities to produce an unforgettable listening experience.