Acoustech H-310c Installation instructions

Model H-310C

Ceiling Speaker

Installation and Owner·s Manual

Acoustech

CONGRATULATIONS

– on selecting this B.I.C Ceiling Speaker. Like all B.I.C speakers, the H-310C combines advanced

acoustic technology with durability and will provide years of musical enjoyment.

This manual is designed to make your ceiling speaker as easy to install as it is to listen to. If you’ve

had any home “do-it-yourself” experience, you should find installation of your new speaker a simple job.

However, we suggest you read through this manual before starting out. If you then decide that installing

your B.I.C Ceiling Speaker is a bit beyond your skills, we’ve included suggestions for locating sources of

affordable outside help.

What you need to do the job

Speaker parts inventory ..................................................................................2

Tools for installation.......................................................................................2

Speaker wire...................................................................................................3

Amplifier considerations.................................................................................3

Where to put your speaker(s)

Various uses....................................................................................................3

Background music..........................................................................................3

Surround sound..............................................................................................3

Other acoustic considerations ........................................................................3

Wall & ceiling surfaces ...................................................................................4

Speaker wire paths .........................................................................................4

Cloth décor & paintable grille(s) ...........................................................................4

Cutting holes for the speaker(s) ............................................................................4

Running connecting wire(s) ..................................................................................5

Hooking up your speaker(s)

At the speaker end..........................................................................................6

At the amplifier end........................................................................................6

Final assembly........................................................................................................6

A short “test drive” ................................................................................................6

A quick troubleshooting guide........................................................................7

Further reading

Taking care of your new in-ceiling speaker ....................................................7

More on amplifiers and impedances...............................................................7

Installing B.I.C speakers during new construction..........................................7

B.I.C H-310C description and specifications...................................................8

Limited Warranty.............................................................................................8

DRAWING 1

Cutout &

Masking Template

Speaker

2Grilles

TABLE OF CONTENTS

WHAT YOU NEED

TO DO THE JOB

SPEAKER SYSTEM

PARTS INVENTORY

Before you get involved in the actual installation

process, it’s a good idea to check for possible

shipping damage and identify parts and hardware.

You should have the parts shown in Drawing 1:

One B.I.C loudspeaker with one cloth

décor and one metal grille

White cardboard template: includes one

cutout template & one masking template

for painting

Black grille adhesive

If anything is missing after a thorough search

of the box and packing materials, contact the

dealer where you bought your speaker.

Although B.I.C Speakers are extremely well

packed to withstand the rigors of shipping, you

should still inspect them closely, especially if

there is any damage to the outside carton. If you

find anything wrong, contact your dealer or the

shipper who delivered the speaker.

TOOLS FOR INSTALLATION

IN EXISTING WALLS

It doesn’t take a whole workshop to install

your new speaker, just a few simple tools:

Apencil

A drill with a 1-inch flat bit

A retractable utility knife or keyhole saw

A length of stiff wire about 3 feet long (a

straightened wire coat hanger works fine)

A Phillips-head screw driver

A pair of diagonal pliers or wire strippers

Some of the following may also be needed,

depending on the application.

A stud finder

Drill bit just slightly larger than the diameter

of one speaker wire

Plumb bob or small weight on a string

Insulated staples for securing speaker wire

Masking tape or foam “double-stick” tape

Paint and applicator for changing grille and

outer frame finish

Black grille

adhesive in

poly bag

SPEAKER WIRE

The amount of wire you’re going to need will

vary with speaker placement (which we cover

next). But we’re covering the subject of wire

now because it’s something you may have to go

out and obtain along with whatever tools you

don’t already have.

What kind to use

We recommend using inexpensive, multi-stranded

“zip-cord” for amplifier-to-speaker connections.

Also called lamp cord, it’s sold in pre-packed

rolls and in bulk displays at hardware, lighting

and home improvement stores. Zip-cord’s outside

covering (insulation) can be transparent, black,

brown, white, etc. Color doesn’t matter. Wire-

thickness does. For in-wall and in-ceiling, a good

quality wire should be used so the outside plastic

covering won’t crack and break down over time.

Selecting the proper gauge

Wire is measured in “gauges.” For no particularly

good reason, the bigger the number, the smaller

the wire. For example, 18-gauge is thinner than

14-gauge.

The gauge of wire you need is determined by the

distance between your amplifier/receiver and

the speakers. Use the following chart as a guide:

Length Minimum Gauge

Less than 10 ft. 18

10 to 50 ft. 16

Over 50 ft. 14

If in doubt, be safe and get a smaller gauge

(i.e. thicker wire). Using too thin a gauge over

a long distance can compromise sound quality.

And besides, there isn’t a vast cost difference

between gauges.

How much to buy

Basically, more than you think you need. As we

noted earlier, a discussion of lengths is sort of

premature until you’ve decided on exact place-

ment, so you may want to skip to Section B on

“Where to put your speakers.” But if you

have a rough idea of the distance from your

amplifier to the speakers, here are a few tips:

sBecause of the complicated paths which are

often required to route wires, you’ll definitely

need more than the amount derived from

simple measurements.

sEven if one speaker is a lot closer to the amp

than the other speaker, you should use the

same length of wire for both paths. This

ensures that both speakers will play at

equal volume.

sProfessional installers often use the following

rule of thumb: amp to speaker distance

TIMES FIVE. That allows enough for both

speaker paths plus a very healthy margin

for unplanned detours. Remember the

electrician’s favorite adage:

“You can always cut off extra wire, but you

cannot make wire longer once it is cut.”

AMPLIFIER CONSIDERATIONS

Virtually any receiver, power amplifier or

integrated amplifier can be used with your B.I.C

Ceiling Speaker. Although B.I.C speakers are

rated for high power, it’s OK to use an even

more powerful amplifier if you take some

simple precautions, which we cover on page 7

(“Taking care of your new B.I.Cspeakers”).

A more serious consideration is whether or

not you intend to power more than one set of

speakers with the same amplifier or receiver. If

you intend to hook speakers to both “A” and

“B” receiver outputs and then play both sets of

speakers at the same time, you should read the

section starting on page 7 of this manual

(“More on amplifiers and impedances”),

to avoid potential problems.

VARIOUS USES

B.I.C Ceiling Speakers can be used for background

music, as a primary listening system, or as built-in

surround and rear speakers in an audio/video

home theater.

Background music

If you just want low-volume background

music to float through a room, placement for

best acoustics is not particularly critical. You can

pretty well ignore all our diagrams and tips on

imaging and other acoustical matters. Just put

your speaker where it’s convenient and non-

intrusive to room decor. You can even place the

speaker in an adjoining room, such as a living

room that flows into a formal dining room, or in

a kitchen and breakfast nook.

Surround sound

B.I.C Ceiling Speakers make excellent surround

and rear speakers. They can be mounted in any

of the positions shown in Drawings 2 and 3,

especially from the ceiling.

OTHER ACOUSTIC

CONSIDERATIONS

For best fidelity, there are several other factors

to keep in mind before you start actual installation.

B.I.C ceiling speakers may be used

for surround and rear sound chan-

nels by placing them (1) behind or (2)

in the ceiling, just behind the viewer.

DRAWING 2

DRAWING 3

Open

Attic

B.I.C

Speaker

Standard Room

DRAWING 4

Cone of

Coverage

WHERE TO PUT

YOUR SPEAKER(S)

Since these are primarily used in ceiling applica-

tions, we highly recommend installing in an open

attic space. If you need to go into the ceiling of a

first floor room (in a two story house), we rec-

ommend the use of a professional installer.

Vertical placement

Treble frequencies are

quite directional. While

the dome tweeters in

B.I.C H-310C speakers

are designed to disperse

high frequencies over a

wide area, they will give

you the best sound

when positioned so that

they cover the listening

area in a cone of

Placement can make all the difference in how

your B.I.C speaker systems sound – and how

easy they are to install. There are at least three

“WHERES” and a “HOW” to factor into your layout:

sHOW you intend to use your speakers

sWHERE they’ll sound best (acoustic

considerations)

sWHERE it’s possible to install them

(ceiling surfaces)

sWHERE they can be installed that makes it

easy to get wire to them without remodeling

your entire house.

coverage as shown in Drawing 4. Of course, if the

speakers are being installed in an area where listeners

usually stand up (such as a kitchen or hallway), they

are best suited for ceiling mount (see Drawing 3).

Corners and reflections

When a speaker is placed close to the corner

of a room, bass frequencies are emphasized.

Treble is emphasized when it reflects back from

reflective surfaces such as large windows. Con-

versely, highs tend to be muffled by soft surfaces such

as drapes, rugs, upholstered furniture, carpeted steps

and even textured fabric wall paper.

WALL AND CEILING SURFACES

Now that we’ve covered where you should

put your speakers, let’s consider where you

CAN put them.

B.I.C H-310C speakers require at least 51/4˝of

depth (measured from the outside surface of the

wall). This means that they can be installed in any

space wide and deep enough for them, including

most ceilings. Ceiling plasterboard (or lath and

plaster in older homes) acts as a superb speaker

baffle.

Because the depth of H-310C ceiling speakers

is deeper than typical 2˝ x 4˝ wall studs, H-310C

cannot be installed in most walls.

Avoid:

sCeilings covered only with thin veneer

paneling – the surface isn’t rigid enough and

can cause annoying vibrations and buzzing.

sT-bar “drop ceilings” with very thin

fiberboard panels which can buzz and

vibrate. If you suspect this will happen,

reinforce the drop-in panel with wood or

particle board.

sAny mounting area which can’t provide

proper depth(clearance) for the back of the

H-310C speakers to protrude. This includes

brick or concrete walls where the wallboard

or paneling is attached to thin furring strips.

sCeilings where you know that there are

pipes, heating ducts and ESPECIALLY AC

wiring in the general vicinity.

SPEAKER WIRE PATHS

The last consideration is the obstacle course

that lies between the speakers’ hoped-for

mounting positions and your stereo system.

Wire can be run through crawl spaces that lie

above your ceiling or below the floor, through

basements of second stories, or simply along the

perimeter of your listening room. We cover each

of these options in detail in the “Running con-

necting wires” section of this manual.

In general, you should pay particular attention

to the following areas:

sAvoid running speaker wires close to house

electrical wiring for any distance. If you have

to run them parallel, make sure to space the

speaker wires at least two feet from the AC

line. It is, however, OK for speaker wires to

cross paths with AC line or go through the

same hole together with house wiring if they

separate before and after.

sMake sure that the entire path between

speakers and amplifier is clear and not

obstructed by a major floor or ceiling joist

or masonry wall which you won’t be able

to drill through.

sRemember that the other end of the wires

has to come out somewhere to connect

with the amplifier. Confirm ahead of time

that you can drill an outlet hole easily and

in an unobtrusive spot.

CUTTING HOLES

FOR THE SPEAKER(S)

Wallboard is an easy surface in which to make

a relatively neat hole. Actually, the hole doesn’t

even have to be that neat, since the speaker’s

outer frame will cover it. Just make sure you

don’t make it any bigger than the template. In

the following steps, you’re going to locate a

section of ceiling between the wood framing or

in the wall between two studs, mark the outer

boundaries of the hole, drill a small hole in

the center to confirm your location and then

cut the main hole.

DRAWING 5

A. Trace template

outline

B. Drill 1 inch

pilot hole

C. Probe with wire

for stud clearance

D. Cut speaker

hole along outline

1. First you must determine the location of your

ceiling supports so that the speaker can be

approximately centered between them.

There are several ways to go about this:

sTap on the surface and listen to the result-

ing “THUMP”. When it’s deeper, you’re

between studs. When it’s sharper and more

flat-sounding, you’re close to a stud.

sUse a stud-finder, a simple little device

which works by locating the studs behind

aceiling.

CLOTH DÉCOR &

PAINTABLE GRILLE(S)

If you like the designer white finish, we

recommend you use the white cloth décor

accessory grille included with your new H-310C

speaker. But if you want your speaker to com-

pletely blend in with a colored wall or accent

the surface, a paintable metal grille is also

included with your new H-310C speaker.

The speaker’s outer surface is primed to

accept ordinary latex wall paint or aerosol spray

paint. Because the surface behind the perforated

grille will remain the same, you will need to

mask this area off before you begin painting.

1. First the speaker’s grille must be removed.

From the back of the speaker, use the

mounting legs to push the grille off.

2. If you are going to use standard, canned, wall

paint so your speakers will match the wall

color, you will need to thin the paint to nearly

the consistency of water. This is critical since

paint with any thickness will plug the holes in

the grille which will impede the sound from

getting to the room. Once you thin the paint it

may take several coats to get good consistent

color coverage without plugging the holes in

the grille. One trick to use is to blow air

through the grille holes as you are in the

painting process to keep the holes open.

Paint the outer speaker frame and grille

separately. A medium nap roller or fine brush

will work OK if you take your time and are

careful. If you’re using spray paint, make

sure that you achieve the same coverage on

both grille and frame. Take care to use very

light coats on the grille to avoid plugging the

holes (perforations). Also, be sure to spray at

different angles to achieve good even coverage

of the perforations and edges. You must take

extreme precautions when painting the grille not

to get paint in the holes of the grille. There’s no

need to replace the grille at this time since you

will need access to the inner speaker surface

during installation.

2. When you’re reasonably sure of where the

ceiling joist (studs or framing) are (and are

TOTALLY sure that there isn’t an electrical

cable, water pipe or heating duct in that vicinity

of your proposed cutout) position one of the

cardboard mounting templates and draw

around the inside outline with a pencil.

3. Drill a 1-inch hole in the center of the pencil

outline which you have just drawn.

4. Obtain a length of stiff wire such as an un-

wound, totally un-bent coat hanger. Bend it

so that the last 12 inches is at a right angle to

the rest.

5. Insert the angled part into the 1-inch hole you

just drilled and probe to left and right to con-

firm that a stud is not close on either side.

sIf there is a close stud on one side, just re-

position the cardboard template a few inches

in the opposite direction and re-draw your

pencil outline, keeping the 1-inch hole within

the pencil outline’s inner boundaries.

6. If there are no obstructions, cut the hole along

the pencil outline. If the surface is wallboard,

simply cut it increasingly deeper with utility

knife until it gives way and then pull it out by

grasping the cut-out through the 1-inch hole.

sIf you’re dealing with lath and plaster or

thick paneling, you need to use a different tech-

nique. Drill 1-inch holes at opposite sides of

the pencil outline. Then use a keyhole saw or

even a hacksaw blade with VERY slow strokes

to saw through and remove the inner surface.

7. Temporarily place the B.I.C speaker into the

cut-out to insure that it fits properly. It’s OK

if the hole is slightly large, since it will be

covered by the speaker’s outside frame.

Actual installation will happen later, after

you’ve routed the speaker wires.

8. Repeat if installing more than one speaker.

9. Now it’s time to drill the hole on the OTHER

end – at the point where the wires from the

speakers will exit to the amplifier/receiver.

sUse the same 1-inch drill bit as before.

sIf you want a totally finished job, install an

outlet box against a stud and cover it with a

TV cable or single outlet plate which has one

hole in the middle for the wires to exit from.

RUNNING

CONNECTING WIRE(S)

Now you know where the wire(s) have to run.

It’s time to actually route them.

If you have an attic or overhead crawl space,

your two steps are:

1) Route wire(s) up from the amplifier to the

crawl space;

2) Route wire(s) across the crawl space to the

speaker(s).

ROUTING WIRE UP TO SPEAKER

(ATTIC CRAWL SPACE)

See Drawing 6

1. You’re about to ascend into your attic.

Grab the following:

sTape measure

sCordless drill with a 1-INCH BIT (or non-

cordless model with long extension cord)

sA VERY long roll of speaker wire

sWire cutters – either diagonal pliers or

wire strippers which include a cutting surface.

sPlumb bob or string with a small weight

(such as a metal nut) on the end

sTape – any kind will do

2. Crawl up into the attic with all the afore-

mentioned stuff and proceed to a spot that’s

directly over a speaker cut-out hole.

3. Time to use that roll of cable. Push a cable

through the speaker cut-out.

4. Making sure the end doesn’t get pulled back

up through the hole, reel out cable while

moving across the attic/crawl space until you

reach the location above your amplifier.

5. Extend at least 10 (TEN) more feet of cable

for the roll and cut it.

6. You now have a cable running from the

speaker. Repeat steps above if installing

more than one speaker. Time to get them

down the wall to where the amplifier will be.

7. Drill a 1-inch hole through the horizontal

2 x 4 directly above the amplifier wall outlet.

8. Now you’re going to guide cables down to

where they’ll emerge from the wall. Since this

hole isn’t very big, just stuffing them down and

grabbing them won’t work. Instead, it’s time

for the plumb bob or string-with-weight (or

wire if there’s insulation to contend with).

Tape the two cable ends (which come from

the speakers) to the plumb bob string just

above the weight and lower the whole thing

down through the 1-inch hole above the

amplifier. You’ll probably have to “feed out”

the attached cable to get the weight to descend.

9. Continue “feeding out” both cables until they

and the weight hit bottom. Tie the free end of

the plumb bob string to something so that it

doesn’t fall down the hole.

10. Exit the attic crawl space.

11. Go over to the 1-inch amplifier wire hole

and look for the extended string/plumb

bob and attached cables. If they’re not visible,

form a small hook on the end of your stiff

wire/coat hanger, fish around for them, and

pull them through the hole. Then rescue the

plumb bob from the attic.

12. At the speaker holes, things are much easier.

You can just reach through and grab the cables.

Pull their whole free length out the cut

speaker holes. You’ve done it!

DRAWING 6 DRAWING 7

HOOKING UP

YOUR SPEAKER(S)

The main thing to remember when hooking up

a speaker is that two conductors in the speaker

wire are not interchangeable. One will be used as

a POSITIVE (+) conductor and the other as a

NEGATIVE (-) conductor. These correspond to

the RED (+) and BLACK (-) connectors on your

B.I.C Ceiling Speaker and also to the speaker

terminals on your amplifier or receiver.

IDENTIFYING “+” and “-”

Your need to be able to discriminate between

the two conductors in the zip cord.

If your wire has transparent insulation, this is

easy: One conductor will be copper-colored and

the other silver-colored. Generally, professionals

denote the copper one as POSITIVE (+) and

the silver one as NEGATIVE (-).

If you’ve used wire which has an opaque insu-

lation, there are still differentiating markings.

Examine the wire closely and look for:

sA series of ribs or grooves on one conductor

sA painted stripe

sA single strand of yarn intertwined with the

multi-stranded wire in one conductor.

Denote any of these as the POSITIVE (+) con-

ductor for similar connections on both ends.

AT THE SPEAKER END

1. Cut off excess wire, leaving about 2 feet

extending through the speaker cut-out hole.

2. Pull the conductors apart so they’re separated

for the first two inches from their ends.

3. Using wire strippers, diagonal pliers or a

knife, remove 1/2inch of insulation from

each conductor.

4. Twist the tiny strands in each conductor into

tight spirals, as shown in Drawing 7.

5. IMPORTANT: Route the speaker wire

THROUGH the hole in the ceiling (Drawing 8).

6. Attach the speaker wires to the red and black

speaker terminals. Press down on the

protruding levers while inserting the wire

into the hole (Drawing 8).

sConnect the POSITIVE (+) conductor to

the RED terminal and the NEGATIVE (-)

conductor to the BLACK speaker terminal.

sMake sure that no stray strands of wire

have gotten detached and are touching the

other main wire.

AT THE AMPLIFIER END

1. Cut off excess wire, leaving enough to com-

fortably reach from the hole in the wall to

your stereo system. If there’s a possibility that

you’re going to move the amplifier to ano-

ther part of the room, consider leaving some

excess wire coiled up. If you’ve used suffi-

ciently thick wire, this extra length will not

affect speaker performance and could make

things easier if the room is rearranged later.

2. Pull the conductors on speaker wire(s) apart

so they’re separated for the first two inches.

3. Using wire strippers, diagonal pliers or a

knife, remove 1/2inch of insulation from

each conductor.

4. Twist the tiny strands in each conductor

into tight spirals.

5. Attach the speaker wire(s) to the red and

black speaker terminals on the amplifier

or receiver.

sConnect the POSITIVE (+) conductor to

the RED terminal and the NEGATIVE (-)

conductor to the BLACK speaker terminal.

sMake sure that no stray strands of wire

have gotten detached and are touching the

other main wire.

DRAWING 8

DRAWING 9

FINAL ASSEMBLY

1. If you haven’t done so already during paint-

ing, remove the perforated grilles from

your B.I.CCeiling Speaker. To remove

the grille, just use the mounting screw

(dog leg) on the rear to push the grille off.

2. See Drawing 9. Make sure all the clamping

brackets (dog legs) are turned inward as

shown in the picture before going up on the

ladder to install the unit in the ceiling.

3. Find the wire you ran previously (hopefully

hanging down through the hole you cut).

Strip the ends if you haven’t already done so

and connect as described in Section F.

4. Insert the speaker into the cutout hole and

be certain the wire is not hanging down

on the woofer cone.

5. Using a Phillips screwdriver (or powered

screwdriver, recommended), start tightening

the six screws. As you start the tightening

each of the mounting brackets (dog legs) will

swing around and follow the screw down to

the back of the wall and clamp the speaker

into place. Avoid excessive force when

tightening the screws to prevent deforming

the drywall or breaking the plastic clamp of

the speaker. Be sure to go around all six

screws and check for even tightness in the

clamping pressure.

6. Now is the time to aim the midrange unit

and tweeter (if needed) toward your

primary listening area. Gently push on the

rims so the centers are aiming toward the

area you want (See Drawing 10).

7. Replace the grille by gently pressing it into

place. Use the supplied black grille adhesive

around the edge of the grille when pressing

it into place.

A SHORT TEST DRIVE

At this point, it’s a good idea to test every-

thing out.

Home Theater System

If you have connected your new B.I.CCeiling

Speakers to the rear “surround” output of your

receiver, you will need to put your receiver in

the “Pro-Logic” or “Digital” mode and use a

source such as a DVD player or Hi-Fi VCR and

suitably recorded movie to test your receiver

surround operation.

Stereo Music System

1. Turn on your stereo system. Make sure that

the VOLUME control is turned down and that

the BALANCE control is set to center.

2. Activate a musical source such as FM, a tape,

or CD player.

3. Gently turn up the volume. You should hear

music coming out of your new B.I.C

Ceiling Speakers! (If you don’t, refer to the

troubleshooting guide on the next page.

We suggest you read the section on the next

page titled “Taking care of your new

B.I.CSpeakers”(for further operating tips).

DRAWING 10

AQUICK

TROUBLESHOOTING GUIDE

Before returning a B.I.C Ceiling Speaker

for service, it’s a good idea to check out these

simple remedies first.

No sound from the speaker

1. Incorrect source selected on receiver or

preamplifier.

2. Mute button pressed on receiver.

3. Wrong speaker output selected – many

receivers have an “A” and “B” speaker

switch. Make sure it’s in the right position.

4. Unsecure connection at either the speaker

or amplifier – double check them.

5. Balance control turned all the way left or

right – return it to center.

6. Surround mode not turned on and/or

surround level too low.

7. Bad connecting cable between sound

source and amplifier – try a new cable.

8. Defective speaker – contact your B.I.C

dealer or call 1-877-558-4242.

Intermittent sound from speaker or

speaker plays initially but then shuts off.

1. Short circuit at either the amplifier or

speaker connectors is activating the amp’s

protection circuits – double check connec-

tions, making sure no stray strands of wire

from one conductor are touching the other.

Speakers plays but sound is mixed

with hum

1. It could be a faulty patch cord. If so, there

will be hum from your main speaker system

as well as from your B.I.C Ceiling Speakers.

Assuming you didn’t have hum in your system

before, one or both of the speaker wires has

been run too close to internal AC house

wiring. Re-route it so that it stays at least

2 feet away from AC power wiring when

running parallel.

Speaker plays but sound is muffled and

“strained.” Amplifier may shut off if

volume is raised too far.

1. Too thin a gauge of wire has been run too far

a distance between amp and speaker. Make

sure that you have followed our suggestions

as to wire gauge versus overall distance.

When volume is turned up to a high

level, the treble cuts in and out.

1. The B.I.C Ceiling Speaker features a

special protection circuit which electronically

disconnects the tweeter if it starts getting too

hot. Turn down your amplifier and make

sure to read the section of this manual

titled “Taking care of your new B.I.C

speakers” which starts on this page.

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