Installation: chairs & couches, Installation: traditional floors & platforms, Installation type: unimount bracket or t-nut – Salamander Designs TST239 Tactile Sound Transducer User Manual

Page 8: Installation type: hanger bolt, Tactile sound transducer

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NOTE: If your chair or couch cannot accommodate a Transducer, consider
purchasing or constructing a platform (see “Platforms” on Page 8).

As a general rule, most chairs and couches have an underlying wooden
frame. The Transducer can be mounted directly to a frame member or to a hard
wood bridge (see diagram) that is rigidly secured to the chair’s/couch’s base. The bridge
should be at least 3/4" thick and cut to span two frame members or connect two sides
of a box frame. The more centrally located the frame member or bridge is on
the overall structure, the better the distribution of tactile sound.

CAUTION: When used in recliners, make sure that the Transducer and its
wire do not interfere with the recliner’s mechanical elements. Also, a

Installation: Chairs & Couches

MOUNTING DETAIL

Using T-Nut

Jam Nuts

T-Nut

MOUNTING DETAIL

Washers

Washers

Using Unimount Bracket

Screws

Jam Nuts

Transducer mounts on hardwood bridge attached to chair

frame, or to a centrally-located frame member, if present.

Bridge should be min. 3/4" thick and 6" – 8" wide.

Hardwood Bridge (min. 3/4" thick)

Installation Type: Unimount Bracket or T-Nut

Steps for installation using the Unimount Bracket
1. Attach the Unimount Bracket to the mounting surface using machine

screws with flat washers and lock washers.

2. Screw a Threaded Stud into the threaded insert on the Unimount

Bracket.

3. Spin the two Jam Nuts onto the stud. You will tighten them later.
4. Screw the Transducer onto the Stud until slight resistance is felt

(approx. 5 or 6 turns). When resistance is felt, stop turning.

• DO NOT OVERTIGHTEN THE TRANSDUCER!
5. Tighten one Jam Nut against the threaded insert of the Unimount

Bracket.

6. Tighten the other Jam Nut against the Transducer’s brass nut using two

9/16" wrenches as follows: One wrench firmly grasping the Transducer’s brass
nut while the second tightens the Jam Nut against it.

• NEVER TIGHTEN BY TURNING THE TRANSDUCER – MAKE SURE TO

TIGHTEN THE JAM NUT AGAINST THE TRANSDUCER’S BRASS NUT.

7. Use solder or wire nuts to connect the necessary length of speaker

wire to the Transducer’s wire leads.

8. Run the speaker wire to your audio system.
9. Connect the Transducer to your audio system (see “Wiring and Connections”

later in this guide).

Installation: Traditional Floors & Platforms

Installation Type: Hanger Bolt

TRADITIONAL FLOORS

If you want to use Transducers under the floor to supplement a music
system, then you should seek an evenly distributed effect. Transducers

If your goal is to activate the area of the floor directly beneath a chair,
then attach the Transducer to the closest joist underneath the chair.

PLATFORMS

Platforms are a great alternative to mounting a Transducer directly to a
chair. This method is especially practical in home theaters with multiple rows
of seating where back rows are elevated on a riser. An activated platform
will deliver tactile sensations to your feet as well as the rest of your
body via the chair.

Whether constructing a new platform or fitting Transducers onto an existing
platform, it is best to space the Transducers equidistant from each other and the
edges of the platform. If using only one Transducer, locate it in the
center of the platform.

To minimize energy loss into the floor, use Isolation Feet between the
platform and the floor (see Page 2).

MOUNTING DETAIL

2"x 6" bridge with curved niche

Jam Nut

Floor joists 16" on center

Transducer mounts using Hanger Bolt on
2"x 6" har dwood bridge between joists. If
vertical space is limited, cut a curved or
rectangular niche in the bridge for the
Transducer

(see mounting detail). Attach the

bridge to the floor (adhesive) and to the joists
(adhesive and screws).

CAUTION: Do not cut curves in existing joists.

Transducer mounts in niche
on 2"x 6" bridge using
Hanger Bolt

Glue & screw
all joints

2"x 6" inner joists
16" on center

Glue and screw plywood

floor surface to all

frame members

including the bridge

2"x 8" outer joist

Steps for installation using the Hanger Bolt
1. Drill a 5/16" hole in the wood mounting surface

and screw in the pointed end of the Hanger Bolt
until it is secure.

2. Spin one Jam Nut onto the Hanger Bolt approximately 1”.
3. Screw the Transducer onto the Hanger Bolt until slight resis-

tance is felt (approx. 5 or 6 turns). When slight resistance is
felt, stop turning.

• DO NOT OVERTIGHTEN THE TRANSDUCER!
4. Tighten the Jam Nut against the Transducer’s

brass nut using two 9/16" wrenches as follows: One
wrench firmly grasping the Transducer’s brass fastener
while the second tightens the Jam Nut against it.

• NEVER TIGHTEN BY TURNING THE TRANSDUCER

– MAKE SURE TO TIGHTEN THE JAM NUT
AGAINST THE TRANSDUCER’S BRASS NUT.

5. Use solder or wire nuts to connect

speaker wire to the Transducer’s wire leads.

6. Run the speaker wire to your audio system.
7. Connect the Transducer to your audio system (see

“Wiring and Connections” later in this guide).

Tip: Tighten two

Jam Nuts against

each other to

screw in Hanger

Bolt using wrench.

NOTE: Clark Synthesis does not recommend using MDF
(medium-density fiberboard) in a platform.

Constructing a platform for optimum Transducer Performance
Use 2” x 8” outside joists and 2” x 6” inside joists. The 2” difference in joist
height suspends the center of that platform above the actual floor, improving
distribution of the tactile vibrations. Use interior-grade plywood for the platform
surface. We highly recommend using adhesive and screws instead of
nails. Loose fitting joints can cause unwanted vibrations or buzzing noises,
particularly between the joists and the platform surface. Shown is a 4'x4'
platform, but you can make any size as long as the joists are spaced 24" or
16" on center to provide sufficient rigidity for tactile wave transmission.

minimum clearance from floor to mounting surface for these types of installs is

4-1/2 inches for the Unimount Bracket and 3-1/2 inches for the T-Nut.

Steps for installation using the T-Nut Method
1. Drill a 7/16” hole in the mounting surface, being careful not to drill through existing

springs, padding, strapping, etc. Press the T-nut into the hole on the side
of the mounting surface opposite the Transducer (see diagram).

2. Screw a Threaded Stud completely into the T-Nut.
3. Place the 3/8” flat washer and 3/8” lock washer on the Threaded Stud, then

spin the two Jam Nuts onto the stud (flat washer against the mounting surface, lock
washer between flat washer and jam nut). You will tighten the jam nuts later.

4. Screw the Transducer onto the Stud until slight resistance is felt

(approx. 5 or 6 turns). When resistance is felt, stop turning.

• DO NOT OVERTIGHTEN THE TRANSDUCER!
5. Tighten one Jam Nut against the lock washer, flat washer, and mounting surface.
6. Follow steps 6 through 9 under “Steps for installation using the Unimount Bracket”

(as shown above).

may be mounted under a floor by attaching a bridge connected between
adjacent floor joists.

Note: Carpeting and padding may reduce the tactile effect.

Recommendation: Clark Synthesis recommends using only TST429-Platinum
Transducers for platforms. Use of (1) TST429-Platinum for every 4 ft. by 8 ft.
section of platform is suggested.

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