Infinity 1.2s manual Initial System-Level Setting, Setting the Subwoofer Test Level

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Initial System-Level Setting

The following steps will set the playback level of the system to the correct level for all tests that follow.

Turn the system volume to minimum.

Cue the R.A.B.O.S. Test CD to Track 2 and press Pause II. This track will produce band-limited pink noise in both the left and right channels.

Press Play Ý . With the RSLM positioned as described above, increase the system volume until the RSLM display indicates -10dB. See Figure 5.

FIGURE 5

RSLM indicating the correct system level to begin tests (-10dB)

When you have completed this adjustment, press Pause II.

Setting the Subwoofer Test Level

Each of the following test tracks is about one minute long.This is normally much longer than required. Press Pause II or advance to the next test as soon as you are ready.

This step will set the subwoofer levels for measurement purposes. The objective is to scale the subwoofers’ output to make full use of the RSLM indicator range. Scaling is optimum when a 0dB reading is observed on the highest peak without triggering the over-range indication. Later, you will rebalance the subwoofers to the main speakers.

The Intermezzo subwoofers should be shipped with the three R.A.B.O.S. controls, L, M and N, set to fully clockwise positions, and all measurements should be conducted with their level controls in this position. Confirm this setting before you begin this test.The gain control K should be set to the mid position (5).

Cue Track 3 and Pause II. Track 3 continuously steps through all subwoofer test tones for approximately 1 minute. Each tone will play just long enough for the RSLM to give a stable reading.

To get accurate measurements, it is necessary to play the woofers quite loud. The 0dB indication is about 94dB. At this level, frequencies below 100Hz can cause doors, windows, furnishings and other objects in the room to vibrate. This frequently results in clearly audible buzzes and/or rattles that come and go as each test tone plays. Strong buzzes not only sound bad, they can cause measurement errors. If you hear a

buzz or rattle during this test, it is highly recommended that you locate the source and eliminate its effects. This is actually a valuable room-diagnostic tool.

Press Play Ý. As Track 3 plays, watch the RSLM carefully. Watch for peak readings. The peak reading may be no more than a brief flash. Readjust the subwoofer’s gain control K until the peak level observed is 0dB without triggering the over-range indication. See Figure 6.

FIGURE 6

Adjusting the subwoofer levels for a 0dB peak

When finished, press Pause II.

Performing Low-Frequency Measurements

Read the following instructions fully before beginning tests.

For the following steps, you will need a Measurement Template and a pencil.

FIGURE 7

R.A.B.O.S. Measurement Template

INTERMEZZO 1.2s

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Contents Intermezzo 1.2s Ii Intermezzo 1.2s U T I O NRead First Important Safety PrecautionsTable of Contents Intermezzo 1.2S OWNER’S GuideIv Intermezzo 1.2s Room-Friendly Acoustical Design TechnologyCeramic Metal Matrix Diaphragms C.M.M.D AmplifierIncluded Accessories Unpacking the ProductIntermezzo 1.2s Placement Front Panel Power Switch B.O.S. Controls Speaker-Level InputsControls and Connections Rear PanelSystem Type MethodMethod 3a Method 3b Final Positioning OperationPerforming R.A.B.O.S.Tests R.A.B.O.S. Kit Includes Following ComponentsWhat R.A.B.O.S. Does R.A.B.O.S. GoalRslm Placement Contents of the R.A.B.O.S. Test CDPerforming Low-Frequency Measurements Initial System-Level SettingSetting the Subwoofer Test Level Turn the system volume to minimumIndicating an under-range test Locating a test pointFrequency Effect of adjustable width WidthWhat Does a Parametric Equalizer Do? Completing the Measurement TemplatePlacement Bandwidth Selector Using the Width SelectorLevel What You Measure, What To DoOur example, you would enter 9 in the attenuation field Example 3. Peak Adjacent to a Dip Dip above or below peak Example 2. Two Response Peaks Two response peaksIntermezzo 1.2s Position Adjusting the R.A.B.O.S. EqualizerIntermezzo 1.2s R.A.B.O.S. Controls Final System BalanceMaintenance and Service Intermezzo 1.2s Powered Subwoofer SpecificationsFrequency Width Frequency Width

1.2s specifications

The Infinity 1.2s is a revolutionary advancement in the world of audio technology, specifically designed for audiophiles and sound enthusiasts who demand superior sound quality. This state-of-the-art speaker system boasts a range of features that ensure impeccable audio performance, making it a popular choice among professionals and casual listeners alike.

One of its standout characteristics is its exceptional frequency response. The Infinity 1.2s is engineered to deliver a wide frequency range, allowing it to reproduce both deep bass and crisp treble with remarkable accuracy. This enables listeners to experience music as it was intended by the artists, with each instrument and vocal nuance clearly pronounced.

Incorporating advanced driver technology, the Infinity 1.2s features a combination of woofers and tweeters that work in harmony to create a balanced sound profile. The woofers are crafted from high-quality materials to minimize distortion while maximizing bass response, ensuring that low-frequency sounds are powerful yet controlled. Meanwhile, the tweeters employ cutting-edge technology to deliver high frequencies that are both detailed and smooth.

Another significant technology embedded in the Infinity 1.2s is the innovative crossover design. This sophisticated crossover network effectively divides audio frequencies between the woofers and tweeters, which enhances the speaker's overall performance by ensuring that each driver operates within its optimal range. The result is a seamless transition between low and high frequencies, producing a cohesive sound that is rare in many consumer-grade speakers.

The build quality of the Infinity 1.2s is also noteworthy. Constructed from durable materials, the cabinets are designed to minimize resonance and vibrations, which can muddy sound quality. This focus on sturdy construction not only enhances audio fidelity but also contributes to the longevity of the speakers.

Furthermore, the Infinity 1.2s is equipped with versatile connectivity options. It can easily adapt to various audio setups, whether wired or wireless, offering compatibility with a range of devices and systems. This flexibility makes it a great choice for both home theater systems and high-fidelity audio playback.

In conclusion, the Infinity 1.2s stands out in the crowded audio market due to its impressive sound reproduction capabilities, advanced technologies, and rugged construction. Whether for professional use or personal enjoyment, these speakers offer a remarkable listening experience that is sure to satisfy even the most discerning audio enthusiasts.
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