Extron electronic SI 28 manual

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Table of contents for the manual

  • Page 1

    User’s Guide Surface Mount Speakers 68-1164-01 Rev . A 11 06 SI 26 and SI 28[...]

  • Page 2

    SI 26 and SI 28 Speakers • Packaging Packaging Information P a r t N o . XX X-XX X -0 1 In s ta ll 2 0 6W C e iling Spe a k er 3 3 -X X X X - 0 1 R E V . Thick Single W all P acking Bottom Foam Speakers (each plastic wrapped) Allen Hex T ool (plastic wrapped) T op Foam Product Label W all Mount Assemblies i Figure 1 — SI 26 and SI 28 speaker pa[...]

  • Page 3

    SI 26 and SI 28 Speakers • Introduction 1 About the SI 26 and SI 28 Speakers The Extron System I NTEGRA T OR ® SI 26 and SI 28 two-way surface mount speakers are ideally suited for classr ooms, conference rooms, and boar drooms. W ith a weather r esistant construction, they are also suitable for outdoor envir onments. • SI 26 features a 6.5&qu[...]

  • Page 4

    SI 26 and SI 28 Speakers • Features 2 Featur es Dimensions: SI 26 : 13.0" H x 8.5" W x 6.75" D (33.0 cm H x 21.6 cm W x 17.1 cm D) SI 28 : 16.5" H x 11.5" W x 8.6" D (41.9 cm H x 29.2 cm W x 21.9 cm D) a Dual tuned bass reflex ports b 1" ferrofluid-cooled, aluminum dome tweeter c Front locking access (allows f[...]

  • Page 5

    Installation Installing the SI 26 or SI 28 Speaker The SI 26 or SI 28 can be mounted on a surface, such as a wall or post, or mounted in a bookcase, or under a shelf, and can be used with any Extron pr oduct with power amps. Conf erence Room Extron SI 28 Surface-mount Speak ers Figure 4 — Surface speaker application Desk top or bookshelf applicat[...]

  • Page 6

    4 SI 26 and SI 28 Speakers • Installation Installation, cont’d shown in figure 5 and tighten the hex cap scr ew to lock the plate in position. This makes the next steps easier to perform. F asten the wall mount plate to the vertical surface (see step 7). Rotate this section 90°. Figure 5 — Rotate and mount the wall mount assembly 3 . Mark t[...]

  • Page 7

    Cut access hole alongside stud and feed wires though hole. W all Stud W all Mount Assembly W all Approximate Stud line Behind Wall Bend wire to line up with access hole in plate. Hex Cap Screw Figure 7 — Install wall mount assembly N Extron r ecommends that the wiring installation be performed by a professional audio equipment installer . 5 . Usi[...]

  • Page 8

    Installation, cont’d 6 SI 26 and SI 28 Speakers • Installation 7. Place the wall mount assembly against the wall, aligning the plate holes with those drilled, and secure with appropriate har dware (see figur e 5), using a powered screwdriver with an appr opriate screw bit. 8 . When the assembly is securely in place, loosen the hex cap screw (t[...]

  • Page 9

    Seismic Safety Cab le Attach line here and secure. Anchor this end to a suitable secure point. Figure 10 — Attach a seismic safety cable to the rear of the speaker Mounting the SI 26 speaker onto the wall mount assembly 3 . Carefully lift the speaker above the wall mount assembly and gently slide the speaker box bracket down into the V lock groov[...]

  • Page 10

    8 SI 26 and SI 28 Speakers • Installation Installation, cont’d Figure 12 — Hook the speaker over the edges of the V -lock groove on the wall mount assembly 3b . Rotate the speaker until the speaker box bracket left edge hooks over the left edge of the V -lock groove (see above). 3c . When the bracket is securely over the V -lock groove, gentl[...]

  • Page 11

    3. T urn on the audio source and any associated devices. Follow the manufacturers instructions to adjust the sour ce and device settings as desired to get the optimum audio output for your speaker application. It may be necessary to adjust the angle of the speaker (see steps 5 and 6 below) to get the best audio coverage area for your application. 4[...]

  • Page 12

    10 SI 26 and SI 28 Speakers • T roubleshooting Tips T roubleshooting Tips Service access In order to service the speaker it may be necessary to r emove the front grill. T o remove the grill: 1 . Carefully r emove the Extron logo, as described on page 9. 2 . Remove the two small screws fr om the front grill (see figure 16 for location). Remov e t[...]

  • Page 13

    Observed Problem Possible Cause(s) Remedial Action 1 Speaker easily lifted from mount assembly . Locking hex cap screw not tightened enough. Following the steps on page 9, tighten the hex cap screw until it is not possible to remove the speaker . 2 No sound heard from speakers. Speaker cables not connected or damaged. Output device (e.g., amplifie[...]

  • Page 14

    12 SI 26 and SI 28 Speakers • Specifications Audio/acoustic and electrical Speaker type ................................... 2-way , indoor/outdoor surface mount Frequency range ............................ SI 26 70 Hz to 20 kHz, -10 dB, half space SI 28 50 Hz to 20 kHz, -10 dB, half space Power capacity .............................. SI 26 150 W[...]

  • Page 15

    Extron’ s W arranty Extron Electr onics warrants this product against defects in materials and workmanship for a period of five years from the date of pur chase. In the event of malfunction during the warranty period attributable directly to faulty workmanship and/or materials, Extr on Electronics will, at its option, r epair or replace said prod[...]

  • Page 16

    © 2006 Extron Electronics. All rights reserved. Extron Electronics, U SA 1230 South Lewis Street Anaheim, CA 92805 USA 714.491.1500 Fax 714.491.1517 Extron Electronics, E urope Beeldschermweg 6C 3821 AH Amersfoort The Netherlands +31.33.453.4040 Fax +31.33.453.4050 Extron Electronics, Asia 135 Joo Seng R oad, #04-01 PM Industrial Building Singapor[...]