Bose L1 Model II Manual

C
ARE AND MAINTENANCE
EnglishDeutschFrançais DanskEspañolItalianoSvenska Nederlands DanskItalianoSvenska DeutschNederlands EnglishFrançais Español
With nothing plugged into
the power stand, a slight
hum or buzz is heard
• Using an AC outlet tester, test the AC outlet that the power stand is plugged into for
r
eversed or open (hot, neutral, and/or ground) contacts.
• If using an extension cord, make sure that the cord is also tested as above.
B1 bass module is plugged
in
, but no bass audio is
heard
• Make sure you are using the included 4-wire B1 bass module cable.
• Make sure the B1 bass module cable is plugged into the B
ass Module Out connector
an
d the cable plug is fully engaged in the connector.
• Try a different 4-wire cable
.
• If available, try a different B1 bass module.
B1 bass module sounds
out
of balance with the
system
• Make sure you are using the B1 bass module 4-wire cable included with the B1 bass
modu
le package.
• Make sure that the B1 bass module
grille is facing forward toward the musicians and
audience.
No mid/high sounds heard
fr
om the L1
TM
model II
Cylindrical Radiator
®
loudspeaker
• Make sure the L1 model II Cylindrical Radiator
®
loudspeaker top and bottom are firmly
seated in their connectors.
• Make sure connections are not bent or broken
.
• Try cleaning the contacts on the loudspeaker top and bottom with electronic contact
spra
y cleaner
.
Instrument or audio source
sounds distorted
• Make sure the Signal/Clip LED is not constantly red. If it is, lower the trim level.
• Try a different source or instrument.
• Try your source or instrument on another power stand.
Third-party-powered sub-
woofer sounds poor when
c
onnected to the Bass -
Line Out connector on the
power stand
• Unplug any B1 bass modules that may be connected to the power stand.
• The signal from the Ba
ss - Line Out may be too high for the powered subwoofer; try
a
ttenuating the signal using commercially available direct boxes or in-line pad devices.
• Try different connections to the third-party-power
ed subwoofer, such as balanced or
unbalanced cabling and/or a direct box.
• Check that the gain and input controls on the third-party-powered subwoofer are se
t
appr
opriately.
• If using a powered subwoofer with an adjustable
crossover, set the crossover to 180Hz.
B1 bass modules powered
by
a third-party power
amplifier and connected to
the Bass - Line Out
connector sounds poor
• Ensure that at least two B1 bass modules are directly connected to the Ba
ss Module
Out connector on the power stand using a B1 bass module 4-wire cable.
• Check the gain settings on the third-party power
amplifier. The volume level of the B1
b
ass modules powered by the power stand should be similar to the bass modules pow-
ered by the external amplifier.
Microphone is
encountering feedback
• Orient the microphone so that it is not pointing directly at its respective L1 mode
l II
Cylindrical Radiator
®
loudspeaker.
• Try a different microphone.
• Try a different position for the loudspeaker and/or vocalist on stage.
• Increase the distance from the loudspeaker to themicrophone.
• If using a vocal effects processor, make sure it is not contributing to the feedback
problem.
Problem What to do
VeniceOG.book Page 20 Tuesday, January 16, 2007 1:28 PM

Bose L1 Model II Specifications

General

Product color	Black
Bass adjustment	Yes
Recommended usage	Studio
Multi-Room Streaming (MRS) support	No
Speaker type	-
Number of drivers	2
Speaker placement	Stand-mountable
Audio output channels	- channels
RMS rated power	- W
USB 2.0 ports quantity	1
Connectivity technology	Wired
Power source type	AC

Weight and Dimensions

Depth	450 mm
Width	260 mm
Height	381 mm
Weight	11380 g