Extron electronics SI 28 User Manual
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Extron electronics SI 28 User Manual

Surface mount speakers
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User's Guide
SI 26 and SI 28
Surface Mount Speakers
68-1164-01
Rev. A
11 06

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Summary of Contents for Extron electronics SI 28

  • Page 1 User’s Guide SI 26 and SI 28 Surface Mount Speakers 68-1164-01 Rev. A 11 06...

  • Page 2: Packaging Information

    X - X i l i n - 0 1 3 3 -X X -0 Figure 1 — SI 26 and SI 28 speaker packaging details SI 26 and SI 28 Speakers • Packaging Allen Hex Tool (plastic wrapped) a k e...
  • Page 3 • SI 26 features a 6.5" long-throw woofer, 1" tweeter, 150 watts continuous program capacity, and frequency response from 70 Hz to 20 kHz. • SI 28 features an 8" long-throw woofer, 1" tweeter, 180 watts continuous program capacity, and frequency response from 50 Hz to 20 kHz.
  • Page 4 Front grill retaining screws (2) • 8 ohm nominal impedance • 75 watts (SI 26) or 90 watts (SI 28) continuous pink noise • 150 watts (SI 26) or 180 watts (SI 28) continuous program • Internal driver overload protection circuit SI 26 and SI 28 Speakers •...

  • Page 5: Installation

    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 product with power amps.
  • Page 6 If the stud is wider than the plates access hole, then cut the hole in the wall to the left or right and directly alongside the stud (see figure 7). SI 26 and SI 28 Speakers • Installation Fasten the wall mount plate to the vertical surface (see step 7).
  • Page 7 Do not strip and connect the wire at this time. Pass the wires through the plate access hole. Figure 8 — Pass the wire through the plate SI 26 and SI 28 Speakers • Installation Approximate Stud line Behind Wall Wall Wall Mount Assembly...
  • Page 8 Anchor the other end to a suitable secure point above the speaker wall assembly mount. SI 26 and SI 28 Speakers • Installation If the tape has been removed previously, carefully insert a flat bladed screwdriver to loosen the two lower locking tabs first, then one or more of the top tabs.
  • Page 9 "Wiring the SI 26 and 28 speakers" section on page 8. Mounting the SI 28 speaker onto the wall mount assembly Carefully lift the speaker up as close to the bottom of the wall mount assembly as possible and hook the right outer edge of the speaker box bracket over the right inner edge of the V-lock groove (see figure 12).
  • Page 10 When the bracket is securely over the V-lock groove, gently slide the speaker down until it locks into place. Repeat steps 3a to 3c for the second SI 28 speaker. Wiring the SI 26 and 28 speakers When both speakers are in place, carefully pull enough...
  • Page 11 Replace the Extron logo, pressing it firmly into place. The Extron logo can be fitted either horizontally or vertically. SI 26 and SI 28 Speakers • Installation , for location). To do Turn clockwise to tighten.

  • Page 12: Troubleshooting Tips

    • Try simplifying the system by eliminating components that may have introduced the problem or made it more complicated. SI 26 and SI 28 Speakers • Troubleshooting Tips Remove these screws to remove grill.
  • Page 13 4 Constant buzzing, hissing, or humming. 5 Poor low frequency output. SI 26 and SI 28 Speakers • Troubleshooting Tips Possible Cause(s) Locking hex cap Following the steps on page 9, screw not tightened tighten the hex cap screw until enough.

  • Page 14: Specifications

    Shipping weight ... SI 26 Warranty ... 5 years parts and labor SI 26 and SI 28 Speakers • Specifications SI 28 50 Hz to 20 kHz, -10 dB, half space 75 W continuous pink noise SI 28 180 W continuous program 90 W continuous pink noise SI 28 2.1 kHz...
  • Page 15 Extron Electronics warrants this product against defects in materials and workmanship for a period of five years from the date of purchase. In the event of malfunction during the warranty period attributable directly to faulty workmanship and/or materials, Extron Electronics will, at its option, repair or replace said products or components, to whatever extent it shall deem necessary to restore said product to proper operating condition, provided that it is returned within the warranty period, with proof of purchase and description of malfunction to:...
  • Page 16 Extron Electronics, USA 1230 South Lewis Street Anaheim, CA 92805 714.491.1500 www.extron.com Fax 714.491.1517 Extron Electronics, Europe Extron Electronics, Asia Beeldschermweg 6C 135 Joo Seng Road, #04-01 PM Industrial Building 3821 AH Amersfoort The Netherlands Singapore 368363 +31.33.453.4040 +65.6383.4400 Fax +31.33.453.4050 Fax +65.6383.4664 ©...

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