Bose FreeSpace 16 Manual de usuario

ServiceManual

FreeSpace®Model 16

Loudspeaker

CONTENTS

Warranty Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Product Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Disassembly/Assembly Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Test Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Figure 1. Free Space®Model 16 Loudspeaker Test Setup Diagram . . . . . . . . . . . . . . . . 4

Main Part List, Free Space Model 16 Loudspeaker . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Figure 2. Free Space Model 16 Loudspeaker Exploded View . . . . . . . . . . . . . . . . . . . . 5

Packing List, Free Space Model 16 Loudspeaker . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Figure 3. Free Space Model 16 Loudspeaker Packing View . . . . . . . . . . . . . . . . . . . . . 6

CAUTION: The Bose®Free Space Model 16 Loudspeaker

contains no user serviceable parts. To prevent warranty

infractions, refer servicing to warranty service centers or

factory service.

PROPRIETARY INFORMATION

THIS DOCUMENT CONTAINS PROPRIETARY INFORMATION OF

BOSE CORPORATION WHICH IS BEING FURNISHED ONLY

FOR THE PURPOSE OF SERVICING THE IDENTIFIED BOSE

PRODUCT BY AN AUTHORIZED BOSE SERVICING CENTER OR

OWNER OF THE BOSE PRODUCT, AND SHALL NOT BE

REPRODUCED OR USED FOR ANY OTHER PURPOSE.

WARRANTY INFORMATION

The Bose Free Space Model 16 Loudspeaker is covered by a 5-year

transferable limited warranty.

SPECIFICATIONS

External Dimensions: 9.5 in. x 6.3 in. (240mm Diameter x 160mm Depth)

Weight: Unpacked System: 5.5 lb. (2.5 kg)

Packed System: 6.6 lb. (3 kg)

Sensitivity: 84 dBSPL, 80Hz ~ 16kHz

(1W, 1m Free Space)

Impedance: 8 ohms nominal, 6.5 ohms minimum

Power Handling: 16 Watts continuous per IEC-268-5, 96 hours.

Recommended amplifier/ Max 16 Watts.

Filter: 24db/oct Butterworth,

Hi-pass 80Hz

Lo-pass 16kHz,

PRODUCT DESCRIPTION

The Bose®Free Space®Model 16 Loudspeaker is a passive flush-mount ceiling speaker

with two variants, Model 16 and Model 16EU. The Model 16 is a world wide, general-pur-

pose use 8Ω/70V/100V speaker that complies with the requirements for Fire/Emergency

warning devices in the US. The Model 16EU is a version that includes accessories allowing

the loudspeaker to be used as a Fire/Emergency warning device in the UK.

DISASSEMBLY / ASSEMBLY PROCEDURES

Note: Refer to Figure 2 for the following

procedures.

1. Grille Assembly Removal

1.1 Gently pull the grille assembly (15)

away from the baffle (5). Be careful

not to mark the surface of the grille or

the baffle.

2. Grille Assembly Replacement

2.1 Gently press the grille assembly

(15) down into the baffle (5). Make

sure the grille assembly is fully seated

into the baffle.

3. Transformer, Driver & Rotary Switch

Assembly Removal

3.1 Perform procedure 1.

3.2 Using a cross-head screwdriver,

remove the six screws (1) that secure

the baffle (5) to the enclosure (10).

3.3 Make a note of the wiring configu-

ration and unplug the three wires from

the input terminals (2).

3.4 Using a sleeve barrel driver,

remove the nut that secures the rotary

switch (13) to the baffle (5).

3.5 Using a cross-head screwdriver,

remove the six screws (1) that secure

the driver (7) & transformer (11) to the

baffle.

4. Transformer, Driver & Rotary Switch

Assembly Replacement

4.1 Place the transformer (11), driver (7)

& rotary switch (13) into the baffle (5).

4.2 Secure the driver & transformer in

place using the six screws (1)

removed in procedure 3.5.

4.3 Secure the rotary switch into the

baffle using the nut removed in proce-

dure 3.4.

Note: Be sure the rotary switch is fac-

ing the right direction & make sure the

lock washer is at "7" position when

you replace the rotary switch onto the

baffle.

4.4 Respectively plug the three cable

wires onto the input terminals.Yellow

for "70/100V", white for "COM", &

blue for "8 Ω".

4.5 Secure the enclosure to the baffle

using the six screws removed in

procedure 3.2.

4.6 Perform procedure 2.

TEST PROCEDURES

Figure 1. Free Space®Model 16 Loudspeaker

Test Setup Diagram

1. Phase Test

1.1 Turn the rotary switch to the "8Ω"

position and apply a 6-10V DC signal

to the input terminals with the posi-

tive signal applied to the "8Ω" terminal

and negative signal applied to the

"COM" terminal.

1.2 The driver should move outward

when the DC voltage is applied.

2. Air Leak, Rub and Tick Test

2.1 Set up the system as shown in

Figure 1.

2.2 For the air leak, rub and tick, and

power sweep tests, all listening will be

done at a distance not to exceed 1

foot if the ambient noise is greater

than 65 db. An air leak is considered

to exist when audible while facing the

baffle of the speaker assembly.

2.3 Apply a 6 Vrms, 20Hz signal to the

8 ohm input with the rotary switch set

at 8 ohm to the terminals of the

loudspeaker.

Reject any speakers with air leaks.

Except for air leaks resulting from

defective driver or gaskets. Replace

any driver that has a rubbing or ticking

noise.

Small (quiet) ticks are acceptable if

they cannot be heard at a distance of

1 foot.

Note: There is a normal suspension

noise. To distinguish between a rub or

tick and suspension noise, displace

the cone slightly with your finger. If

the rubbing can be made to go away

or gets worse, then it is a rub or tick. If

the noise stays the same, it is a

suspension noise.

3. System Sweep Test

3.1 Set the rotary switch to the 8 ohm

position.

3.2 Apply a 6 Vrms, 80Hz signal to the

input terminal of the loudspeaker.

Change the oscillator frequency slowly

from 80Hz to 16kHz. Listen carefully for

buzzes, rattles, or other extraneous

noises from the driver or from the

internal parts. The whooshing noise

from the port around 80 Hz is accept-

able.

4. Transformer Tap Select Check

Apply a 70 Vrms, 100Hz signal to the

input of the loudspeaker under test.

Slowly change the tap selection, on

the unit under test, from the high

position (16W) to the 1W position. A

decrease in level should be heard for

each descending tap.

Power Amplifier

INPUT OUTPUT

Audio Signal

Generator

MAIN PART LIST

Free Space®Model 16 Loudspeaker

Figure 2. Free Space Model 16 Loudspeaker Exploded View

Item

Number

Description

Bose

®®

Part

Number

Vendor Part

Number

Qty.

Note

1 Screw, M4 x 12mm N/A 2910-4012-3000 16

2 Terminal 259279 4135-2381-0 3

3 Gasket for transformer N/A 4149-0111-0 1

4 Anchor, FS Model 16, White

Anchor, FS Model 16, Black 259259-002

259259-001 4154-4981-0

4154-4982-0 3

5 Baffle, White

Baffle, Black N/A

N/A 4154-5061-1

4154-5062-1 1

6 Screw N/A 2910-3575-3000 3

7 2.5” Driver, FS Model 16 296713 WF-BS021C 1

8 Cover, Junction Box 259278 1404-2801-0 1

9 Screw, Wire Clamp N/A 8901-4520-0 6

10 Enclosure, White

Enclosure, Black N/A

N/A 4154-5051-1

4154-5052-1 1

11 Transformer (DOM before 2270)

Transformer (DOM 2270 and later) 259297

263817 1806-3573-0

1806-3573-1 1 1

12 Capacitor, 10uF N/A 1571-106K-1-Y$N 1

13 Rotary Switch N/A 5200-4829-0 1

14 Clip, Retaining N/A 4135-2391-0 1

15 Grille, White

Grille, Black 296712

296711 4135-2263+1

4135-2262+1 1

16 Logo, FS Model 16 176142-1B3

4154-4991-0 1

17 Black Label N/A 3005-0514-0 1

Notes:

1. For units built before 9/27/02, use part number 259297. For units built after 9/27/02,

use part number 263817. The four underlined digits in the unit serial number located on

the product label are the date of manufacture (DOM) in Julian date format. For example,

9/27/02 would be 2270, which is the 270th day of 2002. These transformers are NOT

interchangeable.

PACKING LIST

Free Space®Model 16 Loudspeaker

Figure 3. Free Space Model 16 Loudspeaker Packing View

Item

Number

Description

Bose

®®

Part

Number

Vendor Part

Number

Qty.

Note

1 Carton 263622 1436-0201-1-2 1

2 Carton Sheet 263804 1450-6200-0 1

3 Inner Card, Bottom 263803 4149-6190-0 1

4 Grille, White

Grille, Black N/A

N/A 8901-4540-0

8901-4541-0 1

5 Inner Card, Middle 263802 1450-6180-0 1

6 Inner Card 1 263870 1450-6340-0 1

7 Inner Card, Top 263801 1450-6170-0 1

8 FS Model 16, White

FS Model 16, Black N/A

N/A SS-bs020c

SS-bs021c 1

9 Owner’s Manual 263556 4301-7010-2 1

SPECIFICATIONS AND FEATURES SUBJECT TO CHANGE WITHOUT NOTICE

Bose Corporation

TheMountain

Framingham Massachusetts USA 01701

P/N:263554-SMRev. 013/2009(P)FORTECHNICALASSISTANCEOR PARTORDERS,CALL1-800-233-4408

http://serviceops.bose.com

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