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Service Manual

301 

®

 SERIES III DIRECT/REFLECTING

®

 SPEAKER SYSTEM

SPECIFICATIONS

Transducers:

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:

Shipping Weight

Min: 10 Watts Per Channel

34 lbs. (15.5 kg) Per Pair

Max: 75 Watts Per Channel

Содержание 301 Series III

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

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

Страница 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...

Страница 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...

Страница 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...

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

Страница 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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