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MODEL 300PM LOUDSPEAKER

©

1998 Bose Corporation

Part Number 193626-S1 Rev. 00

Supplement

Supplement

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Summary of Contents for 300PM

Page 1: ... MODEL 300PM LOUDSPEAKER 1998 Bose Corporation Part Number 193626 S1 Rev 00 Supplement Supplement ...

Page 2: ...el 300PM Loudspeaker Crossover Assembly Schematic Diagram 8 Model 300PM Loudspeaker Crossover Assembly Part List see Figure 5 9 Figure 5 Model 300PM Loudspeaker Crossover Assembly Layout Diagram 9 Model 300PM Loudspeaker Part List see Figure 6 10 Figure 6 Model 300PM Loudspeaker Exploded View 10 Model 300PM Loudspeaker Packing Part List see Figure 7 11 Figure 7 Model 300PM Loudspeaker Packing Diag...

Page 3: ...tave band centered at 400Hz Power Handling 100W 24 5 Vrms continuous Weight 11 5 lb 5 2 kg each Shipping Weight 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 supplem...

Page 4: ... and cut the wires as close to the terminals as possible 4 Driver replacement 4 1 Observing polarity solder the wires from the crossover assembly 8 to the driver 3 terminals 4 2 Orient the driver correctly into the cabinet and secure it using the screws 2 removed in procedure 3 2 4 3 Replace the grille 1 using procedure 2 5 Crossover Assembly removal 5 1 Remove the grille 1 and angled driver 3 usi...

Page 5: ...st Connector replacement 8 1 Slide the binding post connector 9 into the rear of the cabinet Be sure it is aligned so that the and markings on the binding post connector are nearest the edge of the cabinet 8 2 Secure the binding post connector to the cabinet using the four screws 2 removed in procedure 7 1 Be sure not to overtighten the screws or you will crack the binding post connector housing D...

Page 6: ...ximately 60Hz is acceptable 4 4 Replace any transducer that has a buzzing noise There shall not be any buzzes or rattles from the internal connecting wires or components Redress any buzzing wires Power Amplifier Frequency Generator Loudspeaker DMM Figure 1 Model 300PM Loudspeaker Test Setup Diagram Note Refer to Figure 3 Model 300PM Driver Wiring Diagram for the following procedure 1 Phase test 1 ...

Page 7: ...igure 3 Model 300PM Loudspeaker Driver Wiring Diagram Figure 2 Model 300PM Loudspeaker Crossover Assembly Topside and Etch Layout Diagram BLUE BLACK GREEN YELLOW _ BARRIER STRIP PCB D R I V E R DRIVER RED ...

Page 8: ...ACK IN IN FRONT ANGLE BLUE BLUE YELLOW GREEN 1 W6 PTC2 0 4A 1 3 OHM RXE040 1 W1 L1 65uH C1 10 50V DS2 DS1 PTC1 0 90A 0 5 OHM RXE 090 1 W5 1 W4 1 W2 1 W3 RED Figure 4 Model 300PM Loudspeaker Crossover Assembly Schematic Diagram ...

Page 9: ...ber Qty per Assy Note C1 1 Cap El BP 85 50V 20 10 uF 138365 1 PTC2 2 Polyswitch 60V 4mm 191995 1 1 PTC1 3 Polyswitch 50V 4mm 191996 1 1 4 Tape Foil w liner 134636 1 DS1 DS2 5 Lamp 2 5A 24Vdc Mini 117805 2 6 PCB Bare Board 203 Crossover 187226 001 1 1 L1 7 Inductor 65 uH 11 Ohm Ferrite 189799 1 8 Screw Machine 4 40x1 Pan Xrec 103146 16 1 9 Washer Flat 141 5 108258 05 1 10 Nut Hex 4 40 103234 440 1 ...

Page 10: ...umber Quantity per Assembly 1 Grille Assembly 300PM 187239 001 1 2 Screw Tapp 8 11x 75 Pan Xrc Sq 172672 12 10 3 Driver Assembly Shielded 4 5 187246 001 2 4 Grommet Grille Socket 176068 4 5 Insert Threaded Ext Intl 121690 4 6 Washer Lock 326 5 16 Intl T 121692 31 4 7 Nut Lock Flange M8 121691 4 8 Crossover Assembly 203 187225 001 1 9 Connector Binding Post 203 Grey 187232 003 1 Nameplate Logo Blac...

Page 11: ...art List see Figure 7 Figure 7 Model 300PM Loudspeaker Packing Diagram 2X 1 2 1 3 Item Number Description Part Number Quantity per Pair 1 Packing End Cap 187243 001 2 2 Bag Poly 13 5x33 5x13x3 mil 106595 2 3 Carton RSC 300PM 187242 001 1 ...

Page 12: ...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 Figure 8 CB 22 bracket Figure 9 GBB 1 bracket Figure 10 GWS 200 bracket ...

Page 13: ...FICATIONS AND FEATURES SUBJECT TO CHANGE WITHOUT NOTICE P N 193626 S1 REV 00 09 98 FOR TECHNICAL ASSISTANCE OR PART ORDERS CALL 1 800 367 4008 Bose Corporation The Mountain Framingham Massachusetts USA 01701 ...

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