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Crossover Parts List (Figure 3)

NOTES

         1. C1 and R1 must be used in the combinations shown above in order to achieve the proper
              frequency response of the loudspeakers.

         2. This part is not normally stocked as a service part.

Symbol or

Item

Number

Description

Part Number

Qty.

Per

Speaker

Assy.

See Note

C1

          Capacitor-Film,5%,50V,3.4

µ

F

   106825

1

1

R1

          Resistor-WW,10%,5W,7.5

   125605-7R5

1

1

C1

          Capacitor-Film,5%,50V,3.7

µ

F

   107055

1

1

R1

          Resistor-WW,10%,5W,6.2

   125605-6R2

1

1

C1

          Capacitor-Film,5%,50V,3.0

µ

F

   104130

1

1

R1

          Resistor-WW,10%,5W,9.1

   125605-9R1

1

1

          

C1

          Capacitor-Film,5%,50V,2.4

µ

F

   104131

1

1

R1

          Resistor-WW,10%,5W,13.0

   125605-130

1

1

 RT1

          Mini-Lamp

   117805

1

           

    

A

          Foam Tape

   118223

N/A

B

          Foil Tape

   103597

N/A

2

C

          Glass Wool

   103075

N/A

2

D

          Connector,Terminal,Wirewrap  

   118008

3

E

          Screw-

TAPP,8x3/8,HEXW,SLOT

   103802-06

3

8

Summary of Contents for 301 Series III

Page 1: ...ducers Cabinet 1 8 20 cm woofer Black white or walnut grained finish 2 3 7 6 cm tweeters Nominal Impedance Speaker Dimensions 8 Ohms 10 5 H x 17 W x 9 5 D 27 H x 43 W x 24 D cm IEC Power Rating Shippi...

Page 2: ...nt provides the excellent spatial characteristics of a Direct Reflecting system The 301 system employs the BOSE Dual Frequency crossover network The crossover provides a smooth transition from low to...

Page 3: ...om within the speaker cabinet Redress any wire or component that buzzes 3 Tweeter Sweep Test A Reduce the amplifier output to 4 0 Vrms and continue sweeping from 3 kHz to 15 kHz If one of the tweeters...

Page 4: ...on the terminal cup and on both sets of tweeter terminals against the schematic in Figure 2 This ensures that both tweeters are wired in phase REMOVING THE GRILLE ASSEMBLY A The grille assembly is he...

Page 5: ...ollows 1 Upper Tweeter Make sure that the red wire is connected to the positive terminal and the grey wire is connected to the negative terminal 2 Lower Tweeter Make sure that the grey wire is connect...

Page 6: ...FIGURE 3 Main Assembly Part Drawing 5...

Page 7: ...FIGURE 4 Carton Parts Drawing 6...

Page 8: ...Clear Black Bkgnd 132545 01 1 3 Trim Strip Black 143770 1 1 Grille Clip Not Illustrated 120716 2 4 Woofer 8 or 120713 1 Woofer 8 181870 001 Replace in pairs 10 2002 5 Screw HIRS 8 10x3 4 PAN XRC SQ 1...

Page 9: ...pacitor Film 5 50V 3 4 F 106825 1 1 R1 Resistor WW 10 5W 7 5 125605 7R5 1 1 C1 Capacitor Film 5 50V 3 7 F 107055 1 1 R1 Resistor WW 10 5W 6 2 125605 6R2 1 1 C1 Capacitor Film 5 50V 3 0 F 104130 1 1 R1...

Page 10: ...ag 103351 1 C Warranty Card N America 129287 1 Warranty Card Europe 132117 1 D Envelope N America 123001 1 Envelope Europe 128450 1 E All Products Brochure 141478 1 N America F Warranty Service List 1...

Page 11: ...NOTES FOR FUTURE REFERENCE 10...

Page 12: ...CIFICATIONS AND FEATURES SUBJECT TO CHANGE WITHOUT NOTICE Bose Corporation The Mountain Framingham Massachusetts USA 01701 9 92 REV 0 P N 149358 FOR TECHNICAL ASSISTANCE PARTS ORDERING CALL 800 367 40...

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