Genelec 8040B Manual

Genelec Højttaler 8040B

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8040B

8050B

Operating Manual 2-6

Käyttöohje 7-11

操作手册 12-16

System

The GENELEC 8040B and 8050B are

two way active monitoring loudspeakers

designed to produce high SPL output, low

coloration and broad bandwidth in a small

enclosure size. They are suitable for a wide

variety of tasks, such as near eld monitor-

ing, mobile vans, broadcast and TV control

rooms, surround sound systems and home

studios. Designed as active loudspeak-

ers, they contain drivers, power ampliers,

active crossover lters and protection cir-

cuitry. The Minimum Diffraction Enclosure™

(MDE™) and advanced Directivity Control

Waveguide™ (DCW™) technologies provide

excellent frequency balance even in difcult

acoustic environments.

Drivers

The bass driver dimensions are 165 mm (6

1/2”) and 205 mm (8”) for 8040B and 8050B

respectively. The long, ow optimized reex

tube has a large cross sectional area and

terminates with a wide are at the back of

the enclosure. The high frequency driver is a

19 mm (3/4”) metal dome on the 8040B and

a 25 mm (1”) metal dome on the 8050B. Both

drivers are magnetically shielded.

Crossover

The active crossover network consists of two

parallel bandpass lters. The crossover fre-

quency is 3.0 kHz on the 8040B and 1.8 kHz

on the 8050B. The active crossover controls

(“treble tilt”, “desktop low frequency”, “bass

tilt” and “bass roll-off”) allow precise match-

ing of the loudspeakers to any room environ-

ment.

Amplifiers

The amplier unit is mounted in the rear of the

loudspeaker enclosure. The unit incorporates

special circuitry for driver thermal overload

protection. Variable input sensitivity allows

accurate level matching to console output

section.

Connections

Each loudspeaker is supplied with a mains

cable and an operating manual. Before con-

necting up, ensure that the mains switch is

off (see gure 1). Audio input is via a 10 kOhm

balanced XLR connector, but unbalanced

leads may be used as long as pin 3 is

grounded to pin 1 of the XLR (see gure 3).

Once the connections have been made, the

loudspeakers are ready to be switched on.

Mounting considerations

Align the loudspeakers correctly

Always place the loudspeakers so that

their acoustic axes (see gure 2) are aimed

towards the listening position. Vertical place-

ment is preferable, as it minimises acoustical

cancellation problems around the crossover

frequency.

Maintain symmetry

Check that the loudspeakers are placed

symmetrically and at an equal distance from

the listening position. If possible, place the

system so that the listening position is on the

centerline of the room and the loudspeakers

are placed at an equal distance from the cen-

terline.

Minimise reflections

Acoustic reections from objects close to the

loudspeakers like desks, cabinets, computer

monitors etc. can cause unwanted colouration

and blurring of the sound image. These can

be minimised by placing the loudspeaker clear

of reective surfaces. For instance, putting the

loudspeakers on stands behind and above the

mixing console usually gives a better result

than placing them on the meter bridge.

Genelec 8040B and 8050B Active Monitoring Systems

Produkt Specifikationer

Mærke:	Genelec
Kategori:	Højttaler
Model:	8040B
Bredde:	237 mm
Dybde:	223 mm
Højde:	365 mm
Vægt:	9400 g
Produktfarve:	Hvid
Udgangseffekt (RMS):	180 W
Anbefalet brug:	Studio
Frekvensområde:	41 - 25000 Hz
Forbindelsesteknologi:	Ledningsført
Højttaler, type:	2-vejs
Lyd-output kanaler:	1.0 kanaler
Højttaler, placering:	Bordplade/bogreol
Diskanthøjttaler:	Ja
Sensitivitet:	105 dB
Diskant diameter:	19.05 mm
Bashøjttaler:	Ja
Woofer diameter:	165.1 mm
XLR indgang:	Ja