Sonance Bandpass Subwoofer Bps 1 Users Manual Manual_032708a.qxp

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Architectural Series ™
BPS-1 IN-CEILING SUBWOOFER
INSTALLATION MANUAL
Introduction
Congratulations on your purchase of the Sonance ®
Architectural Series™ BPS-1 Bandpass Subwoofer
System. The BPS-1 system will add deep, power ful
bass impact to any audio system that includes
Sonance Architectural Series speakers. The BPS-1
c a b i n e t r e m a i n s c o m p l e t e l y h i d d e n f r o m v i e w,
delivering its bass energy through a Sonance
Architectural Series Panel Bracket and Architectural
Finish Component that is a discreet complement to the
surrounding architectural space.

Figure 1: BPS-1 Subwoofer (shown with Adaptor Baffle)
The complete BPS-1 Bandpass Subwoofer System is
comprised of a BPS-1 bandpass subwoofer cabinet,
an Adaptor Baf fle, a dedicated Sonamp ® A150 power amplifier, an Architectural Series Panel Bracket and
an Architectural Finish Component, all of which are available separately.

Design and Features
• Delivers power ful, room-filling bass through a small grille that complements the room’s architectural
design.
• Trimless and truly flush-mount installation — the plane of the subwoofer grille is per fectly aligned with
the plane of the ceiling.
• Available Adaptor Baf fles allow the BPS-1 to be used with any size round or square Architectural Series
Panel Bracket (even 4”) to match other Architectural Series speakers in the audio system.
• The 8” woofer driver features a felted paper cone with a rubber surround that should provide years of
reliable high-power operation. This allows the BPS-1 to be installed in a location that will have limited
or no access.
• The ver y ef ficient 4th-order bandpass enclosure produces high output over the subwoofer’s entire
frequency range.
• Adaptor Baf fles are heavily flared to minimize por t noise during high-volume passages.
• The BPS-1 can be used with any separately available Architectural Series Finish Component:
metal (with or without trim) or cloth (with or without trim).
• Sonamp A150 power amplifier (required, available separately) delivers 150 watts of power and
provides flexible connections that integrate the BPS-1 system into any audio system. A built-in limiter
prevents overdriving the BPS-1’s woofer driver, even when using a single A150 to drive two BPS-1 subwoofer
cabinets.

• Front-panel amplifier controls (volume, crossover frequency, phase) let you fine-tune the woofer’s
per formance to match a variety of listening environments and personal preferences.

Box Contents
• (1) BPS-1 Subwoofer Cabinet (with vent tube attached)
• (8) 5/16 “ x 2” Lag Screws (for attachment to I-joists)
• (8) 5/16 “ x 3” Lag Screws (for attachment to standard joists)
• (2) Temporar y Installation Brackets
• (1) Mounting Hole Drilling Template
Page 1 of 8

Architectural Series ™
BPS-1 IN-CEILING SUBWOOFER
INSTALLATION MANUAL
Installing the BPS-1 Cabinet In New Constr uction
WA R N I N G
D O N O T AT TA C H T H E B P S - 1 T O A N I - J O I S T T H AT H A S N O T B E E N A D E Q U AT E LY B R A C E D .
D O I N G S O C A N C A U S E C O L L A P S E , R E S U LT I N G I N I N J U RY O R D E AT H . C O N S U LT W I T H T H E
J O B ’ S G E N E R A L C O N T R A C T O R B E F O R E AT TA C H I N G T H E B P S - 1 T O A N I - J O I S T.
1. D e t e r m i n e t h e l o c a t i o n f o r t h e
Architectural
Series
Panel
Bracket/Grille and install it
according to its instruction manual.

12”

A P P R O X I M AT E L Y

ENCLOSURE

M A I N TA I N I N G

(SEE
THE

FIGURE
VENT

BPS-1
2).
TUBE’S

BPS-1 Cabinet

PROPER LENGTH IS INTEGRAL TO THE

BPS-1’S ACOUSTIC
LENGTHENING
OR

5/8”

BE

DRYWALL

SHOULD

FROM VENT TUBE END OF

B6R

ING

Joists

WWW.SONANCE.COM
800.582.7777

I M P O R TA N T : T H E C E N T E R O F
PA N E L B R A C K E T ’ S S P E A K E R O P E N -

Sonance Architectural Series

2. D e t e r m i n e t h e l o c a t i o n f o r t h e
BPS-1 cabinet.

Panel Bracket

12”

Figure 2: Positioning the BPS-1 Relative to the Panel Bracket
(Note: Vent tube not shown for clarity)

PERFORMANCE.
SHORTENING

THE VENT TUBE TO FIT A DIFFERENT
D I S TA N C E W I L L A D V E R S E L Y A F F E C T T H E

BPS-1’S

PERFORMANCE.

2. Attach the included Mounting Hole Drilling Template to the ceiling joist at the BPS-1 mounting location
(see Figure 3 ). Make sure that the template is placed high enough so the BPS-1 cabinet will not
contact the ceiling material after installation. (Contact can cause buzzing during operation.)
3. Drill eight 5/16 " holes through the joist at the locations indicated on the Drilling Template (see Figure 3) .
4. Screw the two Temporar y Installation Brackets across the underside of the joist bay at the locations
indicated on the Drilling Template (see Figure 4 ). The Temporar y Brackets have two sets of pre-drilled
holes: One for 24” center-to-center joist spacing, and another for 16” center-to-center joist spacing.

Joists
Temporary
Brackets

Drilling
Template

Drill Holes for
5/16” Lag Screws

Figure 3: Drilling Holes For the Lag Screws

Page 2 of 8

Figure 4: Attaching the Temporary Brackets
to the Joists (16” spacing shown)

Architectural Series ™
BPS-1 IN-CEILING SUBWOOFER
INSTALLATION MANUAL
N OT E : D O N OT U S E N A I L S TO
B P S - 1 C A B I N E T I S AT TA C H E D TO

AT TA C H T H E

TEMPORARY BRACKETS —

THEY WILL BE REMOVED AFTER THE

T H E J O I S T.

5. Remove the Drilling Template from the joist.
6. Place the BPS-1 cabinet on the temporar y brackets, aligning its mounting holes with the holes drilled
through the joist. (Inser t shims underneath the cabinet as necessar y to bring its mounting holes in
alignment with the holes
drilled in the joist.)
7. Screw the eight included lag
screws through the holes in
the joist and into the holes in
the side of the BPS-1 cabinet,
as shown in Figure 5 . Use the
shorter lag screws for I-joist
construction; use the longer
lag screws for standard joist
construction.
8. A f t e r c o n f i r m i n g t h a t t h e
BPS-1 cabinet is securely
attached to the joist, remove
the temporar y brackets from
the underside of the joists.

5/16”
Lag Screws

Figure 5: Using the Included Lag Screws to Attach the BPS-1 to the Joist

Selecting the Proper Adaptor Baf fle
Sonance has BPS-1 Adaptor Baf fles available that mate the BPS-1 to ever y size round and square
Architectural Series panel bracket. The Adaptor Baf fles provide proper acoustic per formance without
creating por t noise or buzzing during operation.
Select the Adaptor Baf fle that fits the par ticular size and shape Architectural Series Panel Bracket you
installed. BPC8R/S fit 8” Panel Brackets, BPC6R/S fit 6” Panel Brackets, BPS4R/S fit 4” Panel Brackets
(see Figure 6 ).

Figure 6: BPS-1 Adaptor Baffles (left to right): BPC8S, BPC8R, BPC6S, BPC6R, BPC4S, BPC4R
The Adaptor Baf fles include Allen screws, an Allen wrench and Locktite.

Page 3 of 8

Architectural Series ™
BPS-1 IN-CEILING SUBWOOFER
INSTALLATION MANUAL
Connecting the Vent Tube and Adaptor Baf fle
1. Use a Phillips screwdriver to remove the four screws that attach the paint shield to the Architectural
Series Panel Bracket (see Figure 7) .
2. Feed several inches of the Vent Tube through the Panel Bracket’s speaker opening (see Figure 8 ).

Remove
Screws

Sonance Architectural Series
WWW.SONANCE.COM
800.582.7777

B6R
5/8”

DRYWALL

Figure 7: Remove Panel Bracket
Paint Shield

Figure 8: Pull End of Vent Tube
Through Opening in Panel Bracket

3. Fit the Vent Tube Clamp (included with the Adaptor Baf fle) loosely around the vent tube (see Figure 9 ).
4. Inser t the Adaptor Baf fle’s neck into the Vent Tube opening (see Figure 10 ).

Fit Clamp
Onto
Vent Tube

Insert Adaptor
Baffle Neck
Into Vent Tube

Figure 9: Fit the Clamp Onto the Vent Tube

Figure 10: Fit the Adaptor Baffle Neck Into the Vent Tube
Page 4 of 8

Architectural Series ™
BPS-1 IN-CEILING SUBWOOFER
INSTALLATION MANUAL
5. Make sure the Vent Tube Clamp is positioned
around the neck of the Adaptor Baf fle and tighten
the clamp to secure the Vent Tube around the neck
of the Adaptor Baf fle.
6. After confirming that the Vent Tube is securely
fastened around the neck of the Adaptor Baf fle,
push the Adaptor Baf fle into the Panel Bracket
speaker opening.
7. Use the hardware included with the Adaptor
Baf fle to attach it to the Panel Bracket (see
Figure 11 ):
a) Apply a drop of Locktite to each hex screw.

1. Apply Locktite
to Screws

b) Use the hex wrench included with the Adaptor
Baf fle to hand-tighten the hex screws and
secure the Adaptor Baf fle to the Panel Bracket.

N OT E : T H E
PREVENT

INCLUDED

THE

HEX

LO C KT I T E

SCREWS

FROM

IS

REQUIRED

COMING

2. Tighten Screws
with
Hex Wrench

TO

LO O S E

Figure 11: Attach the Adaptor Baffle to the Panel Bracket

D U R I N G O P E R AT I O N

V E RY I M P O RTA N T
USE

O N L Y T H E S U P P L I E D H A N D - H E L D H E X W R E N C H T O AT TA C H T H E

ADAPTOR BAFFLE.

DO NOT USE AN ELECTRIC SCREWDRIVER OR DRILL.
NEVER

OVER-TIGHTEN

THE

ADAPTOR BAFFLE MOUNTING SCREWS. OVER-TIGHTENING THE SCREWS CAN
THIS TYPE OF DAMAGE IS NOT COVERED BY THE ARCHITECTURAL SERIES

F R A C T U R E T H E B R A C K E T A S S E M B L Y.

P A N E L B R A C K E T WA R R A N T Y.

Speaker Connections
I M P O RTA N T : T H E B P S - 1 I S S P E C I F I C A L L Y D E S I G N E D
FOR USE WITH THE SONAMP A150 AMPLIFIER, WHICH
H A S L I M I T E R C I R C U I T R Y T H AT P R E V E N T S T H E B P S - 1 ’ S
WOOFER DRIVER FROM BEING DAMAGED BY AMPLIFIER
CLIPPING.
THE

USE OF ANY OTHER
BPS-1 COULD RESULT

WOOFER AND WILL VOID THE

POWER AMPLIFIER WITH
IN

DAMAGE

BPS-1’S

TO

THE

WA R R A N T Y .

1. Run the speaker wire from the A150 amplifier to
the BPS-1 cabinet.

N OT E :
MANUAL

REFER
FOR

TO

THE

A150

I N F O R M AT I O N

INSTRUCTION

ABOUT

AMPLIFIER

CONNECTIONS.

2. Pass the speaker wire through the BPS-1’s builtin wire tie, and route the wire’s end to the
speaker connector panel (see Figure 12 ).
Page 5 of 8

Figure 12: BPS-1 Wire Management
and Speaker Connection

Architectural Series ™
BPS-1 IN-CEILING SUBWOOFER
INSTALLATION MANUAL
3. Strip ¼” – ½” of insulation from each lead of the speaker wire.
Twist the strands or tin the exposed wire with solder to ensure
that there are no stray strands. (Stray strands that touch each
other can cause a shor t-circuit that can damage the amplifier.)
4. The speaker’s positive connector post is labeled with a red dot;
the negative post is labeled with a black dot (see Figure 13 ).
Push the top of each connector post down to open the connector
and inser t the exposed wires into the holes in the posts. Doublecheck that you connected amplifier “+” to speaker “+” and
amplifier “–” to speaker “–”.
5. Once you have verified that the connections are correct, tighten
the wire tie to secure the speaker cable to the BPS-1 cabinet. This
will help prevent the speaker from being accidentally disconnected
in the future.

Figure 13: BPS-1 Connection Terminals

Installing the Architectural Finish Component
The Architectural Finish Component is installed after the
ceiling is dr ywalled, finished and painted.

N OT E :

FOR

INSTRUCTION

PA I N T I N G
MANUAL

I N F O R M AT I O N,

INCLUDED

WITH

REFER

THE

TO

THE

ARCHITECTURAL

Insert Finish Component Rim
Into Groove Around Baffle

F I N I S H C O M P O N E N T.
1. The foam-tape covered rim on the back of the Finish
Component inser ts into the groove around the outer edge
of the Adaptor Baf fle. See Figure 14 .
2. Inser t about half of the Architectural Finish Component
rim into the groove on the Adaptor Baf fle. Gently fit the
remaining half of the rim by working around the Baf fle,
fitting the rim into the groove as you go.

N OT E : F O R

A

SHOULD

S E C U R E LY

FIT

GROOVE IN THE

PROPER

BAFFLE

L I G H T LY L U B R I C AT E T H E

I N S TA L L A T I O N
AND

F O A M TA P E

THE

C O N S I S T E N T LY

WITHOUT BINDING.

F O A M TA P E

IF

I N TO

THE

N E C E S S A R Y,

W I T H W AT E R TO E A S E

I N S E RT I O N.

Page 6 of 8

Figure 14: Attaching the Architectural Finish
Component To The Adaptor Baffle

Architectural Series ™
BPS-1 IN-CEILING SUBWOOFER
INSTALLATION MANUAL
Installing the Woofer Cabinet: Retrofit
The BPS-1 can be retrofit installed into a ceiling that has an attic or adequate crawlspace above it.
Due to the variety of possible installation situations, it is not possible to recommend a single retrofit
installation procedure. However, in any retrofit situation you should obser ve the following points to
achieve a safe and noise-free installation:
• Before installing the BPS-1 in any retrofit situation: Review the section Installing The BPS-1 Cabinet In
New Construction on pages 2 – 3 to become familiar with the installation procedure for new
construction.
• Determine the location for the Architectural Series Panel Bracket and install it first (its location may
be influenced by the locations of other AS speakers in the room). Then establish the location for the
BPS-1 cabinet relative to the Panel Bracket. The vent end of the BPS-1 cabinet should be located 12"
from the center of the Panel Bracket's speaker opening (see Figure 2 , on page 2).
• When temporarily placing the BPS-1 cabinet in the ceiling bay before attaching it to the joist, take care
to suppor t it so that it does not break-through the ceiling material (The BPS-1 cabinet weighs 46 lbs.)
• Use the supplied drilling template to determine the locations of the mounting holes on the joist.

N OT E : M A K E

S U R E T H E H O L E S A R E H I G H E N O U G H O N T H E J O I S T S O T H AT T H E W O O F E R C A B I N E T W I L L N OT

C O N TA C T T H E C E I L I N G M AT E R I A L .
O P E R AT I O N . )

THE

( C O N TA C T

W I T H T H E C E I L I N G M AT E R I A L C A N C A U S E B U Z Z I N G D U R I N G

O N LY C O N TA C T S H O U L D B E B E T W E E N T H E C A B I N E T ’ S G A S K E T E D M O U N T I N G S U R FA C E A N D

T H E M O U N T I N G J O I S T.

• Once the BPS-1 cabinet is attached to the joist, complete the installation by following the instructions in
the Selecting The Proper Adaptor Baffle , Connecting The Vent Tube And Adaptor Baffle , Speaker
Connections and Installing The Architectural Finish Component sections on pages 3 – 6.

Specifications
Woofer:

8" (203mm) Long-throw felted paper cone with a rubber surround

Frequency Response:

35Hz – 150Hz ±3dB

Dimensions (W x H x D):

9" x 11" x 50½" (229mm x 279mm x 1283mm) Note: Depth includes port tube

Shipping Weight:

46 lbs (20.9kg) each

Page 7 of 8

Architectural Series Speaker Limited Lifetime Warranty Coverage
(U.S.A. Only)
Sonance warrants to the original retail purchaser only that this Sonance product will be free from defects in materials and
workmanship, provided the speaker was purchased from a Sonance Authorized Dealer.
Defective products must be shipped, together with proof of purchase, prepaid insured to the Authorized Sonance Dealer from
whom they were purchased, or to the Sonance factor y at the address listed on this instruction manual. Freight collect shipments will be refused. It is preferable to ship this product in the original shipping container to lessen the chance of transit
damage. In any case, the risk or loss or damage in transit is to be borne by the purchaser. If upon examination at the factor y or Authorized Sonance Dealer it is determined that the unit was defective in materials or workmanship at any time during
this warranty period, Sonance or the Authorized Sonance Dealer will, at its option, repair or replace this product at no additional charge, except as set for th below. If this model is no longer available and can not be repaired ef fectively, Sonance, at
is sole option, may replace the unit with a current model of equal or grater value. In some cases where a new model is substituted, a modification to the mounting sur face may be required. If mounting sur face modification is required, Sonance
assumes no responsibility or liability for such modification. All replaced par ts and product become the proper ty of Sonance.
Products replaced or repaired under this warranty will be returned to the original retail purchaser, within a reasonable time,
freight prepaid.
This Warranty does not include ser vice or par ts to repair damage caused by accident, disaster, misuse, abuse, negligence,
inadequate packing or shipping procedures, commercial use, voltage inputs in excess of the rated maximum of the unit, or
ser vice, repair or modification of the product which has not been authorized or approved by Sonance. This Warranty also
excludes normal cosmetic deterioration caused by environmental conditions. This Warranty will be void if the Serial Number
on the product has been removed, tampered-with or defaced. This Warranty is in lieu of all other expressed warranties. If the
product is defective in materials or workmanship as warranted above, the purchaser’s sole remedy shall be repair or replacement as provided above. In no event will Sonance be liable for any incidental or consequential damages arising out of the
use or inability to use the product, even if Sonance or an Authorized Sonance Dealer has been advised of the possibility of
such damages, or for any claim by any other par ty.
Some states do not allow the exclusion or limitation of consequential damages, so the above limitation and exclusion may not
apply. All implied warranties on the product are limited to the duration of this expressed Warranty. Some states do not allow
limitation on the length of an implied warranty. If the original retail purchaser resides in such a state, this limitation does not
apply.

E X C L U S I O N S A N D L I M I TAT I O N S
The warranty set for th above is in lieu of all other warranties, express or implied, of merchantability, fitness for a par ticular
purpose, or other wise. The warranty is limited to Sonance products registered herein and specifically excludes any damage
to loudspeakers and other allied or associated equipment which may result for any reason from use with this product. Sonance
shall, in no event, be liable for incidental or consequential damages arising from any breach of this warranty or other wise.
This warranty gives you specific legal rights, and you may have other rights which var y from state to state.

©2008 Sonance. All rights reser ved.
Sonance and Architectural Series are trademarks or registered trademarks of Dana Innovations.
Due to continuous product improvement, all specifications are subject to change without notice.
For the latest Sonance product specification information visit our website: www.sonance.com

SONANCE • 212 Avenida Fabricante • San Clemente, CA 92672-7531 • USA
800 . 582 . 7777 or 949 . 492 . 7777 • FAX: 949 . 361.5151 • Technical Support: 800 . 582 . 0772

www.sonance.com
33-4751

03/08



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