Niles Audio PRO2870LCR manuale d’uso

Inst alla tio n Gui de Pro fess io nal Qu alit y , Co mp act , Left/Center/Right Chan nel L ouds peaker Pro1770LCR ■ Pro2770LCR ■ Pro1870LCR ■ Pro2870LCR[...]

CONGRA TULA TIONS! Thank you for choosing a superior StageFront Home Theater Solutions™ Cabinet LCR loudspeaker from Niles. With proper installation and operation, you should enjoy years of trouble-fr ee use. Niles manufactures the industry’ s most complete line of custom installation components and accessories for audio/video systems. T o see [...]

1 INTRODUCTION The StageFront Home Theater Solutions Loudspeakers ar e expressly designed for superior sonic quality in home theater applications. Each model employs advanced technology components that extract the subtle nuances in recor ded music or the thunderous action sound in a movie. Models ending in “LCR” ar e intended primarily for fron[...]

2 FEA TURES AND BENEFITS INTERLACED CARBON-FIBER WOOFERS WITH BUTYL RUBBER SURROUNDS Provide incr eased sound pressur e levels and dynamic theater quality sound at sustained high-power output FLUID-COOLED TETERON ™ DOME MIDRANGE* *Pro1770LCR & Pro2770LCR models only Produces smooth detailed dialog FLUID-COOLED CARBON CONE MIDRANGE* *Pro1870LC[...]

3 INST ALLA TION CONSIDERA TIONS RECOMMENDED AMPLIFIER POWER For satisfactory performance, we recommend using a surr ound amplifi er with a power rating of 20-150 watts for the Pro1770LCR and Pr o2770LCR. We recommend an amplifi er power rating of 20-200 watts for the Pro1870LCR and Pro2870LCR. Most loudspeakers ar e not damaged by large amplifi[...]

4 LOUDSPEAKER PLACEMENT NOTE: ST AGEFRONT LCR LOUDSPEAKERS ARE DESIGNED FOR USE IN FRONT LEFT , CENTER OR RIGHT -CHANNEL APPLICA TIONS. FOR EFFECT CHANNEL APPLICA TIONS, WE RECOMMEND USING A ST AGEFRONT FX LOUDSPEAKER. PLACING THE ST AGEFRONT LCR AS THE FRONT LEFT AND RIGHT LOUDSPEAKERS In a home theater , the intelligibility of dialog and action r[...]

5 As for placement height, place front left and right loudspeakers on either side of the picture sour ce so that their tweeters are not mor e than 24 inches above or below the center -channel loudspeaker’ s tweeter (see Figure 2 on page 6 ). NOTE: DO NOT PLACE ANY ST AGEFRONT LCR OR FX LOUDSPEAKER TOO CLOSE TO A DIRECT -VIEW TV MONITOR, AS IT MA [...]

6 LOUDSPEAKER PLACEMENT (CONTINUED) ■ For installations wher e a perforated projection screen will be used, place the loudspeaker , either horizontally or vertically , behind the screen at ear level, as shown in Figure 3 . Pro 2870 LCR Pod rotated (vertical position) (horizontal position) Pro 2870 LCR Figure 3. Recommended loudspeaker center -cha[...]

7 FINISHING THE INST ALLA TION CONNECTING THE LOUDSPEAKER 1. The terminals on your loudspeaker support Bi-amp or Bi-wire connections as well as standard connections. Please choose your preferred method as described belo w in Figure 5 on page 8 . 2. At each loudspeaker , route the wire to the input connectors, then separate the loudspeaker wire so t[...]

8 FINISHING THE INST ALLA TION (CONTINUED) CHECKING LOUDSPEAKER PHASE Speaker wire has two conductors. On both your loudspeaker and amplifi er , one conductor is attached to the negative (–) terminals, while the other is attached to the positive (+) terminals. Usually , the wire is marked for your convenience, but the marking can be done in the [...]

9 works against each other , and the sound of the two playing together will be lacking in bass and sound “phasey .” If you suspect the sound is not right, and you cannot see any markings on the wire, try this simple test: 1. Stand halfway between the loudspeakers. 2. Play some music with the amplifier or radio set to Mono. 3. Listen to the rich[...]

10 FINISHING THE INST ALLA TION (CONTINUED) The StageFront Pr o1870LCR and Pro2870LCR models featur e Boundary Compensation and Pod Level controls in addition to those for T reble and Midrange levels. These controls ar e also on the front for acoustic fi ne-tuning after placement, as shown in Figure 8 . Adjust these controls as follows: ■ If a P[...]

11 SPECIFICA TIONS Pro1770LCR Recommended Amplifi er Power 20-150 watts per channel Nominal Impedance 6 ohm nominal; 3.2 ohm minimum Frequency Response 70Hz to 20kHz, +/- 3 dB Sensitivity 88 dB with 2.83 V pink noise input measured at 1 meter on axis Dimensions 8-7/8” W x 14-5/8” H x 12-5/8” D with grille Depth is 12-3/8” without grille Wi[...]

12 DET ACH HERE AND RETURN TO: NILES AUDIO CORPORA TION WARRANTY REGISTRA TION DEPT P O BOX 160818 MIAMI FLORIDA 33116-0818 LIMITED W ARRANTY N I L ES A U D IO C O R PO R ATI ON ( “NI L E S” ) WA R R A N T S I T S PA S S I V E LO U DS P E A KE R P RO D UC T S ( T HO S E NO T R EQ U I RI N G AC OR BAT T ERY P OWE R ) TO THE O RI GI NA L P UR CH [...]

13 DET ACH HERE AND RETURN TO: NILES AUDIO CORPORA TION W ARRANTY REGISTRA TION DEPT . P .O. BO X 160818 MIAMI, FLORIDA 33116-0818 Model Purchased _________________________________________________________ Serial Number ___________________________________________________________ Date Purchased (month/day/year) _______________________________________[...]

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