13Adjust the angle of the tweeter. (S-IW631-LR/S-IW831-LR only)

Gently press the edge of the tweeter flange to adjust the angle of the tweeter as desired. Be careful not to touch the diaphragm while doing this.

Make sure not to touch the diaphragm as it can be easily damaged.

14Adjust the settings of the treble and/or bass controls as necessary.

•Treble adjustment (all models) The standard setting is 0.

The treble switch located in the front of the speaker has three positions to choose from, +/0/–.

•Bass adjustment (S-IW651-LR/S-IW851-LR only) The standard setting is 0.

The bass switch located in the front of the speaker has two positions to choose from, 0/–.

15Attach the butyl rubber tapes on the inside of the grille.

Attach the eight butyl rubber tapes to each grille, lining up the butyl rubber tapes to the marks on the inside of the grille.

Then peel off the protective paper.

•Once you have pushed it in, make sure you press it firmly against the speaker so that the grille doesn’t fall off and cause an accident.

•To remove the grille, use the supplied tool to hook into the holes located near the corners and pull the grille out. When doing this, make sure to pull all four corners out evenly. Forcing the grille out from one corner alone will cause the grille to be deformed.

Connections

Connecting to an amplifier

Make sure you have read the connection instructions in the manual supplied with the amplifier and that all equipment is turned off before making any connections.

•When using a set of speakers connected to an amplifier, you won’t be able to obtain the correct stereo effect if the polarity (+, –) of one of the speakers (left or right) is reversed.

16 Attach the grille to the speaker.

The grille is designed with a specific mounting orientation. Gently push the grille onto the speaker, lining up the corners of the grille to the grooves in the speaker. Then line up the entire grille to the grooves in the speaker and attach the grille by pressing in on the edges.

Orientate the grille so that the edge marked in blue is located at the top of the speaker.

Make sure to press on the edges. Pressing on the middle of the grille will cause it to be deformed.

Additional Information

Cleaning the speaker

Use a dust brush to wipe off dust and dirt.

Never use furniture wax, cleaners, thinners, benzine, insecticide sprays or other chemicals on or near the speakers, since these will corrode the surfaces.

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Pioneer S-IW851-LR, S-IW631-LR Connections, Additional Information, Connecting to an amplifier, Cleaning the speaker
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S-IW651-LR, S-IW851-LR, S-IW831-LR, S-IW631-LR specifications

Pioneer has long been a name associated with high-quality audio equipment, and their latest lineup of speakers showcases this legacy with impressive features and technology. Among these are the S-IC831-LR, S-IW531L, S-IC821D, S-IW631-LR, and S-IC621D, each designed to elevate your home audio experience.

The S-IC831-LR is a high-performance in-ceiling speaker that combines a 8-inch woofer with a 1-inch tweeter. This configuration delivers a well-rounded sound profile capable of producing deep bass and crisp highs. The speaker features a 3-way design, ensuring that all frequencies are accurately represented, perfect for both home theater and music applications. Its innovative installation mechanism allows for a seamless integration into various ceiling types, making it a versatile choice for any home.

The S-IW531L is a similarly designed in-wall speaker, featuring a 5.25-inch woofer and a 1-inch tweeter. This model focuses on enhanced spatial audio performance, making it ideal for larger rooms. Its lightweight construction and low-profile design help maintain the aesthetic of your space while providing outstanding sound quality. The speaker is equipped with a pivoting tweeter, allowing users to direct sound towards the listening area for an optimized audio experience.

Similarly, the S-IC821D is engineered for in-ceiling applications. It offers a dual 8-inch woofer configuration, allowing for an even distribution of sound across expansive areas. The advanced crossover technology used in this model ensures that audio transitions are smooth, producing a natural listening experience. This speaker is particularly recommended for those looking to create a multi-room audio system due to its exceptional power handling capabilities.

The S-IW631-LR features a 6.5-inch woofer paired with a 1-inch tweeter, aimed at delivering robust performance in home theater setups. Its design allows for seamless integration with other speakers in the Pioneer lineup, creating a cohesive soundstage. The speaker's dynamic range is further enhanced by its high-efficiency design, ensuring it can handle extensive soundscapes without distortion.

Finally, the S-IC621D rounds out this impressive lineup with its 6.5-inch woofer and a newly designed tweeter that focuses on delivering clear dialog and detailed sound effects. Ideal for both music and movies, this speaker is engineered with feedback control technology to minimize distortion, thus enhancing overall audio clarity.

Collectively, these speakers showcase Pioneer’s commitment to audio excellence, combining advanced technologies with user-friendly designs to create a superior listening experience for any home environment.
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