Bose FREESPACE 4400 Specifications download pdf (Page 10)

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2.0 Designing with the FreeSpace

4400 System

2.2.3 Step 3 – Determine volume

control requirements

Decide which areas will have volume controls. Create a control

map, such as the following, showing the types of controls that

will be used, and the areas in which they will be installed.

AVM (Auto Volume/Mute) user interfaces are available for use

with the FreeSpace

4400 system. They offers control over

source selection and volume. The interface can be configured as

an AVM (Mute) interface or as an AVM (Auto Volume) interface. If

you have identified an area that uses auto volume, you must con

figure the interface as an AVM (Auto Volume) interface to control

this zone.

It is also possible to use a 70/100V in-line volume control

between the amplifier output and the loudspeaker. If you plan to

use a 70/100V in-line volume control, be aware that they cannot

be used in zones where either Auto Volume or Dynamic EQ is

used. Auto Volume and Dynamic EQ monitor the amplifier output

and make adjustments accordingly. Using an in-line volume con

trol would cause these functions to operate improperly.

When determining the placement or physical location of the con-

trols, first think about how the control is used. If the control is

very rarely used or it requires a secure location, it should be

placed with the equipment. If the control is for an area that

requires frequent adjustments, then it is best to place the control

in the area being controlled.

2.2.4 Step 4 – Determine the loud-

speaker requirements

Determine the loudspeaker coverage required for the design.

Consider the following points as you do this:

• Each Auto Volume function requires a separate zone. Each

Auto Volume zone requires the dedicated use of one

FreeSpace 4400 output channel.

• Each type of specifically equalized Bose loudspeaker requires

the dedicated use of one FreeSpace 4400 output channel. If

you are designing a system that uses specific Bose loud-

speaker equalization, such as the 102

F loudspeaker, Model

32, Model 32SE, or Model 8, you must dedicate one

FreeSpace 4400 output channel for each loudspeaker type.

Create a loudspeaker map, such as the following, and match the

loudspeaker models to areas (Loudspeaker Qty x Tap = Zone

Power required):

AVM (Auto

Volume)

Interface

AVM (Auto

Volume)

Interface

AVM

(Mute)

Interface

AVM

(Mute)

Interface

Area 1 ●

Area 2 ●

Area 3 ●

Area 4 ●

Area 5 ●

Model

32SE

FreeSpace

3-I

Loud-

speaker

Qty Tap

Area

Power

Area 1 ●

2 50 100

Area 2 ●

5 8 40

Area 3 ●

1 50 50

Area 4 ●

3 4 12

Area 5 ●

6 8 48

1 2 ... 5 6 7 8 9 10 11 12 13 14 15 ... 69 70

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Bose FREESPACE 4400 Specifications Page 10

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