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Bose 300PM Manual
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®
®
Supplement
MODEL 300PM LOUDSPEAKER
Supplement
©
1998 Bose Corporation
Part Number 193626-S1 Rev. 00

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Summary of Contents for Bose 300PM

  • Page 1 ® ® Supplement MODEL 300PM LOUDSPEAKER Supplement © 1998 Bose Corporation Part Number 193626-S1 Rev. 00...
  • Page 2: Table Of Contents

    Test Procedures ..........................6 Figure 1. Model 300PM Loudspeaker Test Setup Diagram ............. 6 Figure 2. Model 300PM Loudspeaker Crossover Assembly Topside and Etch Layout Diagram ..7 Figure 3. Model 300PM Loudspeaker Driver Wiring Diagram ............7 Figure 4. Model 300PM Loudspeaker Crossover Assembly Schematic Diagram ......8 Model 300PM Loudspeaker Crossover Assembly Part List (see Figure 5) ........
  • Page 3: Specifications

    25.5 lb (11.6 kg) per packed pair SUPPLEMENT DESCRIPTION This supplement reflects changes made in the Crossover Assembly of the Model 300PM Loudspeaker. The SmartProtect Crossover Assembly, part number 187241-001 has been replaced with part number 187225-001. You will need to use this supplement if you find that the Crossover Assembly is the one described in this supplement.
  • Page 4: Disassembly/Assembly Procedures

    5. Crossover Assembly removal 2. Grille replacement 5.1 Remove the grille (1) and angled 2.1 Orient the grille (1) so that the Bose ® driver (3) using procedure 3. logo is aligned with the print on the rear of the cabinet.
  • Page 5 DISASSEMBLY/ASSEMBLY PROCEDURES 7. Binding Post Connector removal 7.1 Remove the four screws (2) that secure the binding post connector (9) to the speaker cabinet. 7.2 Gently pull on the binding post connector housing until it comes free of the cabinet. 8.
  • Page 6: Test Procedures

    3.2 Apply a 6Vrms, 60Hz signal to the input Setup Diagram terminals on the rear of the speaker cabinet. Leave the speaker port open. Note: Refer to Figure 3. Model 300PM Driver Wiring Diagram for the following 3.3 Test duration should be 5 seconds procedure.
  • Page 7 Figure 2. Model 300PM Loudspeaker Crossover Assembly Topside and Etch Layout Diagram GREEN BLACK YELLOW BLUE BARRIER STRIP DRIVER Figure 3. Model 300PM Loudspeaker Driver Wiring Diagram...
  • Page 9: Model 300Pm Loudspeaker Crossover Assembly Part List (See Figure 5)

    1. This part is not normally available from Customer Service. Approval from the Field Service Manager is required before ordering. 2. The individual parts located on the PCBs are listed in the Electrical Part List. Model 300PM Loudspeaker Crossover Assembly Part List (see Figure 5) Reference Item...
  • Page 10: Model 300Pm Loudspeaker Part List (See Figure 6)

    Model 300PM Loudspeaker Part List (see Figure 6) Item Description Part Number Quantity per Number Assembly Grille Assembly, 300PM 187239-001 Screw, Tapp, 8-11x.75,Pan, Xrc/Sq 172672-12 Driver Assembly, Shielded, 4.5” 187246-001 Grommet, Grille Socket 176068 Insert, Threaded, Ext/Intl 121690 Washer, Lock, .326, 5/16, Intl T...
  • Page 11: Model 300Pm Loudspeaker Packing Part List (See Figure 7)

    Model 300PM Loudspeaker Packing Part List (see Figure 7) Item Description Part Number Quantity per Number Pair Packing, End Cap 187243-001 Bag,Poly, 13.5x33.5x13x3 mil 106595 Carton, RSC, 300PM 187242-001 (2X) Figure 7. Model 300PM Loudspeaker Packing Diagram...
  • Page 12: Model 300Pm Loudspeaker Accessories

    Model 300PM Loudspeaker Accessories There are three optional brackets that can be used to mount the Model 300PM Loudspeaker that are available through Bose BKK. They are model numbers CB-22, GWS-200, and GBB-1. Note: All measurements are in millimeters; all angles are in degrees.
  • Page 13 SPECIFICATIONS AND FEATURES SUBJECT TO CHANGE WITHOUT NOTICE ® ® Bose Corporation The Mountain Framingham, Massachusetts, USA 01701 P/N: 193626-S1 REV. 00 09/98 FOR TECHNICAL ASSISTANCE OR PART ORDERS, CALL 1-800-367-4008...