Bose 151 environmental speakers Sold from 1994 User Manual

BOSE®
151®
ENVIRONMENTAL
SPEAKERS
OWNER’S GUIDE 

2
Table of contents
How and where to use
Bose® 151 speakers................................. 3
Decide where you
want the speakers ................................. 4
Unpack the speakers ............................ 5
How to hook up Bose 151 speakers....... 5
Choose the speaker cord ...................... 5
Use the cord properly ........................... 6
Make the connections ........................... 6
Check the connections ......................... 7
Test the connections...

3
How and where to use
Bose 151 speakers
Bose 151 speakers are designed to meet
the challenges of year-round outdoor use.
They can deliver Bose quality sound to
areas where you work, play, and relax
outside. From potting shed to workshop,
patio to poolside, they will extend your
musical pleasure. You can even install 151
speakers on board your boat.
You may also use these speakers indoors, in
areas where high humidity is common, such
as an indoor pool area or bathroom.
Once you decide where you will use...

4
If you place your 151® speakers outdoors,
you will probably connect them to an
amplifier or receiver that is inside.
Note: 
You may want to consult an electrical
installer who can route wires underground
or through walls if necessary.
Whether you mount them inside or out,
consider the following:
•Measure the length of speaker cords you
need to connect each speaker to your
receiver or amplifier. To determine the
wire gauge you will need, refer to the wire
gauge recommendations under “Techni-
cal...

5 •Regardless of  where you place your
speakers, make sure they cannot fall and
cause injuries. See “Accessories” on
page 8.
•Bose 151
® speakers are not magnetically
shielded. Keep them at least 9 inches
(23 cm) from any video screen or
monitor.
Note: 
Magnets in the speakers will affect a
boat compass. Consider this in choosing a
speaker location, or make sure to correct for
this deviation.
•On a boat, you can surface mount the
speakers or mount them flush to the
bulkhead. (Refer to “Accessories” on...

6
Figure 2
Insert the bare wire end into the opening on the terminal post.
Use the cord properly
Speaker cord consists of two insulated
wires. The insulation around one wire is
striped, collared, or ribbed. This marked
wire is always positive (+). The plain wire is
always negative (–). These correspond to
the red (+) and black  (–) terminals on the
back of the  speaker, receiver, or amplifier.
Be sure to connect each wire to the proper
terminal (positive to positive, negative to
negative).
•Prepare the...

7
®®
Figure 3
Test the connections
To make sure your speakers operate
correctly:
1.Set your receiver or amplifier for MONO
(monophonic) and turn it on. Set the
balance control to normal (centered).
2.Place the speakers less than 6 inches
(15 cm) apart, facing each other.
3.Play some deep bass passages of
music through the speakers.
The sound should seem to come from a
point between the two speakers. The bass
should be full and natural. If not, your
connections may be out of phase. Reverse
the connections...

8
How to maintain Bose®
151 speakers
Protect the
connections
The bare wire ends of the speaker cord can
be affected by exposure to the elements.
This is especially true of salt water expo-
sure.
You may use a silicone caulking material,
such as RTV adhesive, to protect the
connections. It is commonly available at
hardware stores. If you do use caulking,
apply it only after the wires are connected
and the knobs tightened down. Check the
caulking annually, and re-apply as needed.
How to clean the
speakers...

9 •If the speaker plays, the problem is in the
original cord that was connected to that
speaker.
 •If the speaker does not play, the problem
is in that channel of the receiver.
If the above solutions fail to solve your
problem, contact your authorized Bose
®
dealer to arrange for service, or  to contact
Bose directly, see “Bose Corporation” on
page 63. Bose Corporation will make every
effort to resolve the problem, within the
terms of your warranty .
Warranty period
Bose 151 environmental speakers are...

10
Technical information
Protective features
•Nickel-plated brass connection terminals
•Syncom
® computer quality control
Driver complement
•One (1) 4.5" (11.4 cm) full-range environ-
mental driver per speaker
Enclosure
•Dual-port molded polypropylene
•Black or white
Dimensions
•6.1"H x 9.1"W x 5.9"D
(15.5 x 23.1 x 14.9 cm)
Compatibility
•Rated 40W IEC power handling; rated
4 ohms. Compatible with amplifiers or
receivers rated 10-80 watts per channel
Conditioned
•Designed to withstand:
–...