Bose 1800-VI Servizi di installazione - Pagina 3

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GENERAL DESCRIPTION

The Bose

Model 1800-VI professional stereo

power amplifier is a high performance

amplifier designed for use with all Bose

Professional Products loudspeaker systems.

The unit offers high power in a rugged, light-

weight (15 kg) package that is only two rack

space units (8,9 cm) high. The amplifier is

suitable for portable or permanent installations.

The 1800-VI amplifier is a high powered,

two channel amplifier delivering 450 watts

per channel into 8Ω, 600 watts per channel

into 4Ω, or 1400 watts bridged into 8Ω. The

1800-VI amplifier is designed to accept

Active Equalisation plug-in circuit cards for

all Bose professional products loudspeakers,

eliminating the need for a separate controller.

The Model 1800-VI amplifier includes the

standard EQ module, designed to hold up to

two EQ cards. An optional ACM-1 amplifier

control module, which also holds up to two

EQ cards, is designed to establish network

control of the amplifier. This network link

makes remote operation of signal level and

power on/off functions possible. The module

also provides amplifier monitoring capability.

Using the graphical user interface of the ACM-1

module software, settings like amplifier output,

output load, and temperature can be checked

routinely. The Model 1800-VI amplifier accepts

both balanced and unbalanced inputs from

TRS, XLR or stripped wire connections.

The rear panel allows for an unused parallel

input or the actively equalised line level out-

put to be connected to another device.

SYSTEM CONFIGURATION

Model 1800-VI amplifier detailed installation

and operating instructions are provided in

the Model 1800-VI and 1600-VI professional

stereo power amplifier owner's guide.

OPTIONAL EQUALISER CARD

INFORMATION

The Model 1800-VI is available with optional

Bose circuit cards providing active equalisation

for all Bose professional products loudspeaker

systems.

FOR 70V OR 100V OPERATION

When using a single channel of the 1800-VI

amplifier to drive a 70-volt or 100-volt line:

Speaker tap

settings:

32W

Line:

70V 100V 70V 100V 70V 100V 70V 100V 70V 100V 70V 100V 70V 100V

Derated

power

(watts per

speaker)

Maximum #

of speakers

on the line

Each channel has its own discrete circuit

card input slot. Therefore, a single amplifier

can drive one channel of 402

and another channel of 502

for example.

Active equalisation plug-in circuit cards

provide proper equalisation for all Bose

professional products loudspeakers without

use of a separate controller. A line level EQ

out is also provided to connect additional

1800-VI amplifiers without the need for

extra EQ circuit cards.

ENGINEERS' AND ARCHITECTS'

SPECIFICATIONS

The Model 1800-VI amplifier shall deliver

450 watts of continuous power, both channels

driven, into 8Ω with less than 0.2% distortion

from 20Hz to 20kHz. The amplifier shall

deliver 600 watts of continuous power, both

channels driven, into 4Ω with less than 0.2%

distortion from 20Hz to 20kHz. In bridged-

mono operation, the amplifier shall deliver

1400 watts of continuous power into 8Ω

with less than 0.2% distortion.

There shall be two parallel input connectors

for each of the two input channels. One of

the input connectors shall be capable of

connecting to both a 1/4" TRS and an XLR

connector (only one input connector can

be accepted at one time). The second input

connector shall consist of a quick connect

terminal block connector.

The two output multi-way binding posts

25W

16W

12.5

6.3

shall be capable of accepting either spade-lug

or bare wire connections. There shall be two

loudspeakers

1/4" TRS line level equalised signal outputs,

loudspeakers,

corresponding to the two channels. This

signal shall be accessed after the internal

equalisation card (if installed) and prior to

the internal amplification section.

The channel separation for the two channels

shall be greater than 65dB @ 1kHz and

greater than 55dB @ 10kHz. The dynamic

headroom shall be greater than 1.0dB.

The power bandwidth, from 5Hz to 40kHz,

shall be +0dB, -3dB. The frequency response,

from 20Hz to 20kHz, shall be ±0.75dB.

The damping factor shall be at least 170.

The input impedance shall be 25kΩ, unbalan-

ced, each leg to ground and 50kΩ balanced.

The high sensitivity shall be 0.775 volts rms

for rated power into 4Ω @ 1kHz, and 32mV

rms for 1 watt into 4Ω @ 1kHz. The low

sensitivity shall be 1.5 volts rms for rated

power into 4Ω @ 1kHz and 61mV rms for

1 watt into 4Ω @ 1kHz.

The gain shall be 36.0dB, ±0.5dB with the

high input sensitivity configuration. The gain

shall be 30.3dB, ±0.5dB with the low input

sensitivity configuration.

The amplifier shall consume 1500 watts of

continuous power into 8Ω and 2400 watts

into 4Ω. The unit shall be 3.5" (H) x 19" (W)

x 13.25" (D) (89 mm x 483 mm x 337 mm).

The net weight shall be 33 lb (15 kg).

3.1

1.5

1.6

0.8

120 120 240 235 470

0.4