background image

6

From 

pre- 

amplifier

L

R

High 

frequency 

output

L

R

402C controller

L

R

Figure 3

40

TM

 (or 40W) bi-amplified system with 50

TM

B (or 50BP) Acoustimass

®

 bass enclosure. 

Figure 4

Amplifier

Amplifier

40 (or 40W) bi-amplified systems with Acoustic Wave

®

 Cannon

TM

 System II (AWCS II) loudspeaker.

Figure 6

Protection 

circuit 

input

From 

pre- 

amplifier

L

R

Protection loop

402C

 controller

Amplifier

High 

frequency 

output

L

R

Amplifier

402 (R) 
loudspeaker

402 (L) 

loudspeaker

L

R

AWCS II loudspeaker

402 (L) 
loudspeaker 

402 (R)

 

loudspeaker

502B 

bass enclosure

Low frequency output

Low frequency  

output

Summary of Contents for 402 C

Page 1: ...Bose 402TM C 802 C II System Controllers Owner s Guide...

Page 2: ...ser serviceable parts inside As with all electrical appliances dangerous electrical shock may result if repair is attempted by unqualified personnel Service and the installation of any optional electr...

Page 3: ...oller 2 3 Avoid moisture Never expose the controller to water or excessive humidity Do not install near swimming pools spas or in other very humid environments 2 4 Avoid heat Do not use the controller...

Page 4: ...the 402C 802C II or 502C Panaray systems controllers The OC 1 option card allows a system to be configured with the Acoustic Wave CannonTM System II loudspeaker as the bass rather than the 502B or 502...

Page 5: ...r panel to OPT 4 3 Connect the LOW FREQ OUTPUT s to each amplifier channel driving the AWCS II loudspeaker s Use only the Channel 1 left hand LF output for systems with mono bass In this configuration...

Page 6: ...ier 402 or 402W bi amplified systems with Acoustic Wave CannonTM System II AWCS II loudspeaker Figure 6 Protection circuit input From pre amplifier L R Protection loop 402C controller Amplifier High f...

Page 7: ...e amplifier 802 or 802W bi amplified system with 502TM B or 502BP Acoustimass bass enclosure Figure 7 L R From pre amplifier 802C II controller High frequency output L Low frequency output Amplifier A...

Page 8: ...coustimass bass High frequency output L R L From pre amplifier R Protection circuit input Protection loop Low frequency output 802C II controller Amplifier AWCS II loudspeaker Amplifier 802 R loudspea...

Page 9: ...er immediately 5 2 Controller Parts Figures 9 and 10 identify main parts of the 402TM C and 802 C II systems controllers A Front panel 1U 1 3 4 standard height with two mounting holes on each end B Po...

Page 10: ...anced low impedance Signal is available at Channel 1 LF output only when in Bass Mono Sum I OUTPUT MODE switch Choose the SUM setting to combine the bass portion of the signals from the two INPUT jack...

Page 11: ...outputs see Figure 12 1 Find the source s XLR high or plus output pins usually pin 2 Connect them to the PIN 2 terminals in the controller s INPUT jacks 2 Find the source s XLR low or minus output pi...

Page 12: ...UT jack NOTE The pin numbers for each controller output are shown in small type inside the jacks If the amplifier has balanced inputs see Figure 14 1 Connect the controller s PIN 2 output terminals to...

Page 13: ...EL These switches for each input channel adjust the sensitivity between 10 dB and 4 dB Figure 17 To find the nominal output level of the output device mixer signal processor consult its owner s guide...

Page 14: ...or 802 loudspeakers Connect the controller s LOW FREQ OUTPUT jacks to the amplifier s driving the bass enclosure Position 3 No connection NC Do not use It is not connected in this version of the 402C...

Page 15: ...CH 1 SUM to the bass amplifier LOW FREQ LEVEL output Set this control between 1 and 2 o clock marked 0 dB to nominally balance a two loudspeaker one bass system with amplifiers of identical gain on th...

Page 16: ...Turn it so the rear panel faces you Figure 23 2 Remove the four Phillips head screws from the cover Figure 23 Set them safely aside 3 Slide the cover toward you Then lift it off 4 Find the plastic plu...

Page 17: ...rear panel Insert the small white connector first The wire end of the harness should now be inside the controller 7 Turn the barrel connector so the flat side matches the flat side of the hole on the...

Page 18: ...ultipin receptacles inside the systems controller Figure 27 The component side faces you The J1 jack is on the left side Press gently to seat both plugs firmly in the receptacles Do not force NOTE If...

Page 19: ...lug if possible Or strip and twist the wires for insertion into the speaker terminal lug holes 4 Attach the external harness to the internal harness connector on the rear of the controller Figure 28 T...

Page 20: ...Level control range 18 dB to 3 dB Bass Mode switch norm sum Crossover frequency 140 Hz in bi amp mode with 502TM B or 502BP bass enclosures 125 Hz with AWCS II loudspeaker OC 1 option card installed r...

Page 21: ...t 15 1740 Ternat TEL 02 5826200 FAX 02 5823717 Denmark Bose A S Industrivej 7 2605 Br ndby TEL 43437777 FAX 43437818 France Bose S A 6 rue Saint Vincent 78100 Saint Germain en Laye TEL 01 30610461 FAX...

Page 22: ...22 1994 Bose Corporation The Mountain Framingham MA 01701 9168 USA JN94286 12 93 PN176006...

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