User manual NILES CM5HD

[. . . ] INSTALLATION & OPERATION GUIDE CM5HD CM6HD CM8HD HIGH DEFINITION HIGH DEFINITION HIGH DEFINITION MODELS ® B LENDING AND H IGH F IDELITY ® A RC H I T ECT U R E Congratulations! Thank you for choosing a High Definition Ceiling Mount Loudspeaker from Niles. With proper installation and operation, you'll enjoy years of trouble-free use. Niles manufactures the industry's most complete line of custom installation components and accessories for audio/video systems. For a free full line catalog write: Niles, Catalog Request, P. O. [. . . ] Listen to a well-recorded piece of music at the user's favorite listening position. a) Listen for bass boominess, particularly when the speaker is placed near a corner. b) Listen for treble harshness or ringing, particularly when the speakers are placed in a room without carpet/ Use the -2dB Treble cut switch to correct. If you have difficulty fitting them in, try loosening the mounting dog screws (excessive tightening can distort the shape of the frame holding the grille in place). Painting the Speakers All models may be painted. The plastic will readily accept most paints. The speakers must be masked prior to painting them. The inside circular portion of the hole template can be used as a paint mask. Remove the outside portion of the template by gently pulling along the perforation. Affix the mask to the front of the speaker using a piece of tape. Fold the tape onto itself to form a double-sided loop. Affix the tape to the tweeter and place the mask onto the speaker. The grilles should be painted before they are installed. For all models, the best 16 Final Installation in New or Existing Construction 1. If it is possible to lay a batt of insulation into the ceiling cavity do so. Remember to use equal amounts of insulation for each speaker. Check the position of the Impedance Jumper on the crossover PC board. Choose the 4 ohm position if you are using an amplifier capable of drawing a 4 ohm load and you have only one pair of speakers connected. Otherwise, use the 8 ohm position (See Figure 15). Separate the speaker wire so that at least two inches of each conductor are free. Open the no-strip terminal by applying pressure to the red and black levers until an audible "click" is heard. Insert one unstripped wire fully into the black and one into the red terminal. [. . . ] Try to keep speaker wire running par- Installation Fundamentals 10 Speaker Location Volume Control Location Stereo Location When you don't have access above or below the wall, try to estimate the existing wire and pipe locations from the positions of electrical outlets and plumbed fixtures on both sides of the wall. Take a look at the outside of your house too, sometimes conduit, vents or drain pipe will be visible that give useful information. Choose the route with the fewest potential obstacles. If your house is built on a slab or you are wiring between two finished floors, look for baseboards which could be removed and replaced with the wire behind them. [. . . ]